Métodos ultrassonográficos na avaliação das afecções prostáticas em cães ­ revisão de literatura / Ultrasonographic methods in the evaluation of prostatic disorders in dogs ­ paper review

O objetivo desta revisão foi descrever as principais técnicas de avaliação e achados ultrassonográficos da próstata canina. A ultrassonografia é o método de escolha para avaliação da glândula prostática, sendo imprescindível como auxílio no diagnóstico na detecção de anormalidades, principalmente quando há suspeita da presença de tumores. Com inovação dos equipamentos, surgiram técnicas complementares à ultrassonografia modo Bidimensional (B), tais como Doppler, ultrassonografia contrastada e elastografia, que aumentam a acurácia diagnóstica. O Doppler fornece informações sobre arquitetura vascular e aspectos hemodinâmicos dos vasos sanguíneos. A ultrassonografia contrastada permite determinar parâmetros relacionados à perfusão sanguínea das estruturas pelos agentes de contraste (ex.: microbolhas), definindo, portanto, padrões de alta e baixa intensidade da arquitetura vascular. A elastografia proporciona a avaliação da rigidez tecidual tanto de forma qualitativa, por meio de elastogramas, quanto quantitativa, por meio das velocidades de cisalhamento. Espera-se que esta revisão possa contribuir com informações relevantes aos leitores e veterinários da área de ultrassonografia e reprodução animal.(AU)

The purpose of this review was to describe the main assessment techniques and ultrasound findings of the canine prostate. Ultrasonography is the method of choice for assessing the prostate gland, being essential as an aid in the diagnosis in the detection of abnormalities, especially when the presence of tumors is suspected. With the innovation of the equipment, complementary techniques to B-mode ultrasonography have emerged, such as Doppler, contrasted ultrasound and elastography, which increase the diagnostic accuracy. Doppler provides information on vascular architecture and hemodynamic aspects of blood vessels. Contrast ultrasonography allows to determine parameters related to the blood perfusion of structures by contrast agents (eg, microbubbles), thus defining high and low intensity patterns of vascular architecture. ARFI elastography provides assessment of tissue stiffness both qualitatively, using elastograms, and quantitative, using shear speeds. It is hoped that this review can contribute with relevant information to readers and veterinarians in the area of asound and animal reproduction.(AU)

Linfoma intraocular em cães - achados da ultrassonografia contrastada e elastografia ARFI / Intraocular lymphoma in dogs - findings of contrast enhanced ultrasound and ARFI elastography

Background: Ocular lymphoma can affect the iris, conjunctiva, choroid, and retina and is mostly associated with multicentric disease. Elastography is an ultrasound technique that provides noninvasive, pain-free assessment of tissue stiffness. It has the ability to assess subtle changes throughout the organ as well as focal lesions. Microbubble contrast ultrasound enables the detection of incipient vascular flows, which are difficult to detect using traditional ultrasound methods. This study aimed to describe acoustic radiation force impulse (ARFI) elastography and microbubble contrast ultrasound findings in the eyes of two dogs diagnosed with intraocular T-cell lymphoma. Cases: Case 1. Physical examination revealed an exophytic mass in the left eye. Schirmer test revealed a secretion of 22 mm/min. Negative threat reflex, glare, direct pupillary light reflex, and consensual response were also noted. Biomicroscopy revealed hyperplasia of the third eyelid, overlapping with the affected eye. When the membrane was removed, moderate conjunctival hyperemia, mucoid secretion, and buphthalmia were observed. In addition, significant corneal edema was present, making it impossible to visualize the anterior chamber and perform fundus examination. The intraocular pressure, as measured with a rebound tonometer, was 39 mmHg. B-mode ultrasonography identified amorphous, hyperechoic, and heterogeneous structures throughout the anterior chamber, iris, and ciliary body. The elastogram showed that the mass had greenish tones and intermediate stiffness, and the mean SWV of the ciliary body and iris was 2 m/s. Contrast-enhanced ultrasound (CEUS) revealed vascularization of the neoformation region, with wash-in, peak, and wash-out values of 9.89 s, 24.56 s, and 107.87 s, respectively. Case 2. On physical examination, a change in the shape of the right pupil was observed. Schirmer test revealed a secretion of 20 mm/min, with negative threat, glare, and pupillary reflexes to direct and consensual light. Biomicroscopy revealed neoformation from 7 am to 11 am in the sclera, retina, and choroid complex, concomitant with dyscoria and conjunctival hyperemia. The intraocular pressure, as measured by rebound tonometry, was 33 mmHg. Fundoscopy revealed a mass in the temporal region and focal retinal detachment. No changes were observed in the contralateral eye. B-mode ultrasound revealed an increase in volume in the temporal region of the iris, ciliary body, and choroid with diffuse heterogeneity and partial retinal detachment. Elastographic examination revealed shades of green and yellow compatible with increased tissue stiffness. On quantitative examination, the mean SWVs of the ciliary body and iris were 3.14 m/s. On CEUS, the neoformation region presented wash-in, peak, and wash-out values of 8.67 s, 22.33 s, and 80.20 s. Discussion: B-mode ultrasonography established the tumor extent and evaluated echogenicity, verifying the involved ocular structures. The examination played an important role in the diagnosis as well as clinical management. ARFI elastography can detect small tissue changes, helping to define nodules and masses more reliably, in addition to allowing the verification of tissue stiffness. In both dogs, it was possible to verify that the masses presented greater rigidity than the adjacent tissues both qualitatively and quantitatively. In previous studies, it was found that cutaneous and breast lymphomas in humans were more rigid than adjacent tissues on elastography. This increase in rigidity and heterogeneity observed on elastograms can be explained by the extramedullary interactions of the matrix in T-cell lymphomas. Tumor growth is dependent on the blood supply, which was evaluated using CEUS in these cases. Furthermore, the ciliary body contrast filling times were longer than those described in normal dogs.

Eosinophilic cystitis, a rare cause of persistent haematuria in a diabetic dog / Cistite eosinofílica, uma causa rara de hematúria persistente em um cão diabético

Eosinophilic cystitis is a rare inflammatory disorder characterized by eosinophilic infiltration of entire layers of the bladder wall. The condition has been described in adults, children, and dogs. However, there are no consensus guidelines for the treatment of eosinophilic cystitis. Although human and veterinary literature reviews show some effectiveness in management with corticosteroids, antihistamines, and antibiotics, a variety of serious and frequent side effects are associated with steroid therapy. As a result, steroids are relatively contraindicated for patients with diabetes mellitus and Cushing's syndrome. A five-year-old neutered male chow-chow with controlled diabetes was referred with an 18-month history of malodorous urine, gross haematuria, and dysuria that were nonresponsive to antibiotics. The findings on general examination were unremarkable except for abdominal suprapubic discomfort. The complete blood count and biochemical profile (such as urea and creatinine) were normal except for mild peripheral eosinophilia. Although ultrasonography, bladder contrast radiography, and urine cytology findings indicated malignancy, with the presence of atypical urothelial cells, histopathology confirmed eosinophilic cystitis. Management with cyclosporine was adequate with complete remission of haematuria. This case report presents the first reported successful use of cyclosporine for the treatment of eosinophilic cystitis in a dog with diabetes.(AU)

A cistite eosinofílica é uma doença inflamatória rara caracterizada por infiltração eosinofílica de todas as camadas da parede da bexiga. Essa enfermidade já foi descrita em adultos, crianças e cães. No entanto, não há um consenso de diretrizes sobre o seu tratamento. Mesmo que as literaturas humana e veterinária mostrem alguma eficácia no manejo com corticosteroides, anti-histamínicos e antibióticos, uma variedade de efeitos colaterais graves e frequentes está associada à terapia com esteroides. Dessa forma, o uso de esteroides é relativamente contraindicado para pacientes com diabetes mellitus e síndrome de Cushing, por exemplo. Um chow-chow, macho, castrado, de cinco anos e diabético estável foi encaminhado para atendimento com histórico de urina fétida, hematúria macroscópica e disúria não responsiva a antibióticos há 18 meses. A avaliação dos parâmetros físicos estava dentro dos padrões, exceto por desconforto abdominal suprapúbico à palpação. O hemograma e o perfil bioquímico (como a ureia e a creatinina) estavam dentro da normalidade para a espécie, exceto por eosinofilia periférica leve. Embora a ultrassonografia, a radiografia contrastada da bexiga e os achados da urinálise indicassem malignidade, com a presença de células uroteliais atípicas, a histopatologia confirmou o diagnóstico definitivo de cistite eosinofílica. O manejo com ciclosporina foi satisfatório, com ausência completa da hematúria. Este relato de caso apresenta o primeiro uso documentado de ciclosporina para o tratamento de cistite eosinofílica com sucesso em um cão com diabetes.(AU)

Eosinophilic cystitis, a rare cause of persistent haematuria in a diabetic dog / Cistite eosinofílica, uma causa rara de hematúria persistente em um cão diabético

Eosinophilic cystitis is a rare inflammatory disorder characterized by eosinophilic infiltration of entire layers of the bladder wall. The condition has been described in adults, children, and dogs. However, there are no consensus guidelines for the treatment of eosinophilic cystitis. Although human and veterinary literature reviews show some effectiveness in management with corticosteroids, antihistamines, and antibiotics, a variety of serious and frequent side effects are associated with steroid therapy. As a result, steroids are relatively contraindicated for patients with diabetes mellitus and Cushing's syndrome. A five-year-old neutered male chow-chow with controlled diabetes was referred with an 18-month history of malodorous urine, gross haematuria, and dysuria that were nonresponsive to antibiotics. The findings on general examination were unremarkable except for abdominal suprapubic discomfort. The complete blood count and biochemical profile (such as urea and creatinine) were normal except for mild peripheral eosinophilia. Although ultrasonography, bladder contrast radiography, and urine cytology findings indicated malignancy, with the presence of atypical urothelial cells, histopathology confirmed eosinophilic cystitis. Management with cyclosporine was adequate with complete remission of haematuria. This case report presents the first reported successful use of cyclosporine for the treatment of eosinophilic cystitis in a dog with diabetes.(AU)

A cistite eosinofílica é uma doença inflamatória rara caracterizada por infiltração eosinofílica de todas as camadas da parede da bexiga. Essa enfermidade já foi descrita em adultos, crianças e cães. No entanto, não há um consenso de diretrizes sobre o seu tratamento. Mesmo que as literaturas humana e veterinária mostrem alguma eficácia no manejo com corticosteroides, anti-histamínicos e antibióticos, uma variedade de efeitos colaterais graves e frequentes está associada à terapia com esteroides. Dessa forma, o uso de esteroides é relativamente contraindicado para pacientes com diabetes mellitus e síndrome de Cushing, por exemplo. Um chow-chow, macho, castrado, de cinco anos e diabético estável foi encaminhado para atendimento com histórico de urina fétida, hematúria macroscópica e disúria não responsiva a antibióticos há 18 meses. A avaliação dos parâmetros físicos estava dentro dos padrões, exceto por desconforto abdominal suprapúbico à palpação. O hemograma e o perfil bioquímico (como a ureia e a creatinina) estavam dentro da normalidade para a espécie, exceto por eosinofilia periférica leve. Embora a ultrassonografia, a radiografia contrastada da bexiga e os achados da urinálise indicassem malignidade, com a presença de células uroteliais atípicas, a histopatologia confirmou o diagnóstico definitivo de cistite eosinofílica. O manejo com ciclosporina foi satisfatório, com ausência completa da hematúria. Este relato de caso apresenta o primeiro uso documentado de ciclosporina para o tratamento de cistite eosinofílica com sucesso em um cão com diabetes.(AU)

Spinal cord meningioma in a Boxer breed dog

Meningiomas are one of the most common primary tumors of the canine central nervous system. They usually grow within the cranial cavity but occasionally they are found in the spinal cord. A case of a Boxer breed with a spinal cord transitional meningioma is reported. Two years history presenting progressive neurological signs is described. The MRI examination revealed a focal, intradural extramedullary lesion within the right side of the spinal canal, compromising the C1and C2 vertebral segments. Cytoreductive surgery with a dorsolateral laminectomy approach was performed to decompressthe spinal cord and to obtain a definitive diagnosis. Histopathological studies diagnosed a grade I transitional meningioma. Immunohistochemistry and immunofluorescence analysis detected positive cells to vimentin (VIM), pan-cytokeratin (pCk),neuron-specific enolase (NSE), glial fibrillary acidic protein (GFAP) and doublecortin (DXC). Although apparently benign, positivity to pCK and DXC suggest a possible transition into a malignant tumor. Although variations in the behavior, histology and the immunoreactive profile of these tumors are reported, the latter constitutes a good indicator for the diagnosis of the patient.

Spinal cord meningioma in a Boxer breed dog

Meningiomas are one of the most common primary tumors of the canine central nervous system. They usually grow within the cranial cavity but occasionally they are found in the spinal cord. A case of a Boxer breed with a spinal cord transitional meningioma is reported. Two years history presenting progressive neurological signs is described. The MRI examination revealed a focal, intradural extramedullary lesion within the right side of the spinal canal, compromising the C1and C2 vertebral segments. Cytoreductive surgery with a dorsolateral laminectomy approach was performed to decompressthe spinal cord and to obtain a definitive diagnosis. Histopathological studies diagnosed a grade I transitional meningioma. Immunohistochemistry and immunofluorescence analysis detected positive cells to vimentin (VIM), pan-cytokeratin (pCk),neuron-specific enolase (NSE), glial fibrillary acidic protein (GFAP) and doublecortin (DXC). Although apparently benign, positivity to pCK and DXC suggest a possible transition into a malignant tumor. Although variations in the behavior, histology and the immunoreactive profile of these tumors are reported, the latter constitutes a good indicator for the diagnosis of the patient.(AU)

Correção de hérnia perianal em cão utilizando tela de polipropileno / Correction of perianal hernia using polypropylene screen in dog

A hérnia perineal resulta do enfraquecimento e separação dos músculos que formam o diafragma pélvico, promovendo deslocamento caudal de órgãos abdominais ou pélvicos no períneo. Os sinais clínicos mais comuns incluem tumefação da região perineal, tenesmo, disquesia, incontinência urinaria e/ou fecal, anúria e êmese devido a envolvimento urinário e/ou intestinal. O diagnóstico baseia-se no histórico clínico, anamnese, exame físico e exames complementares como radiografia simples ou contrastada e ultrassonografia. O objetivo desse trabalho foi relatar a eficácia do uso da tela de polipropileno na correção de hérnia perineal em paciente da espécie canina. Foi encaminhado ao Hospital Veterinário Metropolitano (HVM) de Caucaia, um canino, da raça Pastor Alemão, macho, 36 kg e 7 anos de idade, apresentando sintomas como apatia, anorexia, tenesmo e aumento da região perianal. A suspeita clínica de hérnia perianal foi confirmada pelo exame ultrassonográfico. O tratamento cirúrgico foi indicado pela técnica de herniorrafia com fixação de tela de polipropileno. Durante o procedimento cirúrgico foi observado um nódulo em meio as estruturas, o qual foi retirado e enviado ao estudo histopatológico. O resultado indicou um quadro de necrose de tecido adiposo (adiponecrose). Para o fechamento do orifício da hérnia, utilizou-se tela de polipropileno fixada com nylon 2.0 em padrão simples interrompido e, posteriormente, foi realizada a orquiectomia. No pósoperatório, fez-se uso de amoxicicilina, cetoprofeno e tramadol. O paciente recebeu alta após 48 horas seguidas do ato cirúrgico, e corridos 12 dias, o animal não apresentou recidiva. Diante do caso relatado, pode-se concluir que a técnica de herniorrafia perineal com tela de polipropileno, associada à orquiectomia, constitui-se em procedimento eficaz sem apresentação de recidivas.

Perineal hernia results from the weakening and separation of the muscles that form thepelvic diaphragm, promoting caudal displacement of abdominal or pelvic organs in the perineum. The most common clinical signs include perineal region swelling, tenesmus, dyskinesia, urinary and / or fecal incontinence, anuria and emesis due to urinary and / or intestinal involvement. Diagnosis is based on clinical history, anamnesis, physical examination and complementary exams such as simple or contrast radiography and ultrasonography. The objective of this study was to report the surgical treatment for the correction of perineal hernia in a dog through the use of synthetic polypropylene mesh. A canine, German Shepherd dog, male, 36 kg and 7 years old, was submitted to the Metropolitan Veterinary Hospital (HVM), presenting symptoms of apathy, anorexia, tenesmus and an increase in the perianal region. Clinical suspicion of perianal hernia was confirmed by ultrasonographic examination. The surgical treatment was indicated by the herniorrhaphy technique with polypropylene mesh fixation. During the surgical procedure, a nodule was observed between the structures, which was removed and sent to the histopathological study. The result indicated an adipose tissue necrosis (adiponecrosis). In order to close the hernia hole, a polypropylene mesh was fixed with nylon 2.0 in a simple interrupted pattern and then the orchiectomy was performed. Postoperatively, amoxicillin, ketoprofen and tramadol were used. The patient was discharged 48 hours after the surgical procedure, and after 12 days, the animal did not present a recurrence. In view of thereported case, it can be concluded that the technique of perineal herniorrhaphy with polypropylene mesh, associated with orchiectomy, constitutes an effective procedure without relapses.

Correção de hérnia perianal em cão utilizando tela de polipropileno / Correction of perianal hernia using polypropylene screen in dog

A hérnia perineal resulta do enfraquecimento e separação dos músculos que formam o diafragma pélvico, promovendo deslocamento caudal de órgãos abdominais ou pélvicos no períneo. Os sinais clínicos mais comuns incluem tumefação da região perineal, tenesmo, disquesia, incontinência urinaria e/ou fecal, anúria e êmese devido a envolvimento urinário e/ou intestinal. O diagnóstico baseia-se no histórico clínico, anamnese, exame físico e exames complementares como radiografia simples ou contrastada e ultrassonografia. O objetivo desse trabalho foi relatar a eficácia do uso da tela de polipropileno na correção de hérnia perineal em paciente da espécie canina. Foi encaminhado ao Hospital Veterinário Metropolitano (HVM) de Caucaia, um canino, da raça Pastor Alemão, macho, 36 kg e 7 anos de idade, apresentando sintomas como apatia, anorexia, tenesmo e aumento da região perianal. A suspeita clínica de hérnia perianal foi confirmada pelo exame ultrassonográfico. O tratamento cirúrgico foi indicado pela técnica de herniorrafia com fixação de tela de polipropileno. Durante o procedimento cirúrgico foi observado um nódulo em meio as estruturas, o qual foi retirado e enviado ao estudo histopatológico. O resultado indicou um quadro de necrose de tecido adiposo (adiponecrose). Para o fechamento do orifício da hérnia, utilizou-se tela de polipropileno fixada com nylon 2.0 em padrão simples interrompido e, posteriormente, foi realizada a orquiectomia. No pósoperatório, fez-se uso de amoxicicilina, cetoprofeno e tramadol. O paciente recebeu alta após 48 horas seguidas do ato cirúrgico, e corridos 12 dias, o animal não apresentou recidiva. Diante do caso relatado, pode-se concluir que a técnica de herniorrafia perineal com tela de polipropileno, associada à orquiectomia, constitui-se em procedimento eficaz sem apresentação de recidivas.(AU)

Perineal hernia results from the weakening and separation of the muscles that form thepelvic diaphragm, promoting caudal displacement of abdominal or pelvic organs in the perineum. The most common clinical signs include perineal region swelling, tenesmus, dyskinesia, urinary and / or fecal incontinence, anuria and emesis due to urinary and / or intestinal involvement. Diagnosis is based on clinical history, anamnesis, physical examination and complementary exams such as simple or contrast radiography and ultrasonography. The objective of this study was to report the surgical treatment for the correction of perineal hernia in a dog through the use of synthetic polypropylene mesh. A canine, German Shepherd dog, male, 36 kg and 7 years old, was submitted to the Metropolitan Veterinary Hospital (HVM), presenting symptoms of apathy, anorexia, tenesmus and an increase in the perianal region. Clinical suspicion of perianal hernia was confirmed by ultrasonographic examination. The surgical treatment was indicated by the herniorrhaphy technique with polypropylene mesh fixation. During the surgical procedure, a nodule was observed between the structures, which was removed and sent to the histopathological study. The result indicated an adipose tissue necrosis (adiponecrosis). In order to close the hernia hole, a polypropylene mesh was fixed with nylon 2.0 in a simple interrupted pattern and then the orchiectomy was performed. Postoperatively, amoxicillin, ketoprofen and tramadol were used. The patient was discharged 48 hours after the surgical procedure, and after 12 days, the animal did not present a recurrence. In view of thereported case, it can be concluded that the technique of perineal herniorrhaphy with polypropylene mesh, associated with orchiectomy, constitutes an effective procedure without relapses.(AU)

Digital contrast venography in vivo of the forelimb and hindlimb in healthy sheep and goat / Venografia digital contrastada in vivo de membro torácico e pélvico de ovinos e caprinos hígidos

The venographic examination allows diagnosing and treating foot diseases. It can be the basis of studies about the administration of medication in the hoof region. The aim of the study was to describe the venographic pattern in the distal region of the forelimb and hindlimbs of healthy sheep and goats, as well as to compare vascularization between them. Ten clinically healthy sheep and goats, five male and five female of different breeds, aged 2 to 4 years and weighing 45 to 63 kg were used. The forelimbs and hindlimbs were subjected to contrast venography of the distal region. The venograms were taken in a digital X –ray machine and analyzed in the EcoView® software. The veins of the metacarpus and metatarsus; and the proximal, middle and distal phalanges of the forelimbs and hindlimbs of sheep and goats were identified 25–30 seconds after contrast injection. The technique error observed during the venography was the contrast perivascular extravasation. The venograms showed the vascularization in the distal region of forelimbs and hindlimbs and the communication of vessels between them. The better radiographic view to evaluate the vessels was the lateral projection. The normal venous pattern of the distal region of forelimbs and hindlimbs of sheep and goats could be observed by venography.

O exame venográfico permite diagnosticar e tratar afecções da região podal. Pode ser base de estudos sobre a administração de medicação na região do casco. O objetivo do estudo foi descrever o padrão venográfico na região distal dos membros torácicos e pélvicos de ovinos e caprinos saudáveis, bem como comparar a vascularização entre eles. Foram utilizados 10 ovinos e caprinos clinicamente saudáveis, cinco machos e cinco fêmeas de raças diferentes, com idade entre 2 a 4 anos e pesando 45 a 63 kg. Os membros torácicos e pélvicos foram submetidos à venografia contrastada da região distal. Os venogramas foram coletados por um aparelho radiográfico digital e analisados no software EcoView®. As veias da região do metacarpo e metatarso; as falanges proximal, medial e distal dos membros torácicos e pélvicos dos ovinos e caprinos foram identificadas 25-30 segundos após a injeção do contraste. O erro de técnica observado durante a venografia foi o extravasamento perivascular do contraste. Os venogramas revelaram a vascularização na região distal dos membros torácicos e pélvicos e a comunicação dos vasos entre eles. A projeção lateral foi a melhor projeção radiográfica para avaliar os vasos no venograma. O padrão venoso normal da região distal dos membros torácicos e pélvicos de ovinos e caprinos pode ser observado pela venografia.

Digital contrast venography in vivo of the forelimb and hindlimb in healthy sheep and goat / Venografia digital contrastada in vivo de membro torácico e pélvico de ovinos e caprinos hígidos

The venographic examination allows diagnosing and treating foot diseases. It can be the basis of studies about the administration of medication in the hoof region. The aim of the study was to describe the venographic pattern in the distal region of the forelimb and hindlimbs of healthy sheep and goats, as well as to compare vascularization between them. Ten clinically healthy sheep and goats, five male and five female of different breeds, aged 2 to 4 years and weighing 45 to 63 kg were used. The forelimbs and hindlimbs were subjected to contrast venography of the distal region. The venograms were taken in a digital X –ray machine and analyzed in the EcoView® software. The veins of the metacarpus and metatarsus; and the proximal, middle and distal phalanges of the forelimbs and hindlimbs of sheep and goats were identified 25–30 seconds after contrast injection. The technique error observed during the venography was the contrast perivascular extravasation. The venograms showed the vascularization in the distal region of forelimbs and hindlimbs and the communication of vessels between them. The better radiographic view to evaluate the vessels was the lateral projection. The normal venous pattern of the distal region of forelimbs and hindlimbs of sheep and goats could be observed by venography.(AU0

O exame venográfico permite diagnosticar e tratar afecções da região podal. Pode ser base de estudos sobre a administração de medicação na região do casco. O objetivo do estudo foi descrever o padrão venográfico na região distal dos membros torácicos e pélvicos de ovinos e caprinos saudáveis, bem como comparar a vascularização entre eles. Foram utilizados 10 ovinos e caprinos clinicamente saudáveis, cinco machos e cinco fêmeas de raças diferentes, com idade entre 2 a 4 anos e pesando 45 a 63 kg. Os membros torácicos e pélvicos foram submetidos à venografia contrastada da região distal. Os venogramas foram coletados por um aparelho radiográfico digital e analisados no software EcoView®. As veias da região do metacarpo e metatarso; as falanges proximal, medial e distal dos membros torácicos e pélvicos dos ovinos e caprinos foram identificadas 25-30 segundos após a injeção do contraste. O erro de técnica observado durante a venografia foi o extravasamento perivascular do contraste. Os venogramas revelaram a vascularização na região distal dos membros torácicos e pélvicos e a comunicação dos vasos entre eles. A projeção lateral foi a melhor projeção radiográfica para avaliar os vasos no venograma. O padrão venoso normal da região distal dos membros torácicos e pélvicos de ovinos e caprinos pode ser observado pela venografia.(AU)

Obstrução gástrica parcial por caroço de cajarana (Spondias cytherea sonn) em filhote de cão - técnicas de imagem para diagnóstico / Partial gastric obstruction caused by cajarana (Spondias cytherea Sonn) in puppies - imaging techniques for diagnosis

Background: Ingestion of foreign bodies is one of the most common cases seen among puppies of dogs in the medical clinics of small animals which may be related to their curious behavior. The diagnosis is based on the patients history, clinical signs, and complementary diagnostic imaging tests. The present case report describes the use of complementary imaging tests, showing a partial gastric obstruction caused by cajarana (Spondias cytherea Sonn) in a puppy.Case: At the Veterinary Hospital of the Federal Rural University of the Semi-Arid Region, a 4-month-old male Yorkshire dog was treated. The guardian reported having witnessed the ingestion of a cajarana stone by the animal. During the physical examination, the animal was active, with good nutritional status, normocorated mucosae, and a moderate degree of dehydration, besides a slight pain on palpation in the epigastric region. Hematological examinations included blood counts, blood urea, creatinine, and alkaline phosphatase. A moderate degree of polycythemia was observed, which may be explained by the dehydration caused by the episodes of vomiting. The patient had frequent episodes of vomiting after the reported event and was then referred to the diagnostic imaging sector. During the sonographic examination, a concave echogenic interface associated with a posterior acoustic shadowing was observed in the region of the stomach. The animal was sent for simple radiographs and positive contrast based on barium sulfate due to the suspicion of the presence of a foreign body. On simple radiography, in the left laterolateral view, a little radiopaque structure of circular format with poor definition was observed in the pyloric region. After the simple radiography, approximately 10 mL of barium sulfate contrast was administered orally followed by a new left lateral radiographic imaging.[...](AU)

Obstrução gástrica parcial por caroço de cajarana (Spondias cytherea sonn) em filhote de cão - técnicas de imagem para diagnóstico / Partial gastric obstruction caused by cajarana (Spondias cytherea Sonn) in puppies - imaging techniques for diagnosis

Background: Ingestion of foreign bodies is one of the most common cases seen among puppies of dogs in the medical clinics of small animals which may be related to their curious behavior. The diagnosis is based on the patient’s history, clinical signs, and complementary diagnostic imaging tests. The present case report describes the use of complementary imaging tests, showing a partial gastric obstruction caused by cajarana (Spondias cytherea Sonn) in a puppy.Case: At the Veterinary Hospital of the Federal Rural University of the Semi-Arid Region, a 4-month-old male Yorkshire dog was treated. The guardian reported having witnessed the ingestion of a cajarana stone by the animal. During the physical examination, the animal was active, with good nutritional status, normocorated mucosae, and a moderate degree of dehydration, besides a slight pain on palpation in the epigastric region. Hematological examinations included blood counts, blood urea, creatinine, and alkaline phosphatase. A moderate degree of polycythemia was observed, which may be explained by the dehydration caused by the episodes of vomiting. The patient had frequent episodes of vomiting after the reported event and was then referred to the diagnostic imaging sector. During the sonographic examination, a concave echogenic interface associated with a posterior acoustic shadowing was observed in the region of the stomach. The animal was sent for simple radiographs and positive contrast based on barium sulfate due to the suspicion of the presence of a foreign body. On simple radiography, in the left laterolateral view, a little radiopaque structure of circular format with poor definition was observed in the pyloric region. After the simple radiography, approximately 10 mL of barium sulfate contrast was administered orally followed by a new left lateral radiographic imaging.[...]

Diagnóstico de divertículo vésico-uracal, em um felino, através da cistografia retrógrada / Diagnosis of vesicle-uracal diverticulum, in a feline, through retrograded cistographyt

O divertículo vésico-uracal é uma afecção caracterizada pela falha no fechamento da porção do úraco localizado no vértice da bexiga, e por projeção luminal convexa ou cônica do vértice da bexiga e pode ser de origem congênita ou adquirida, associada ao aumento de pressão intraluminal e distúrbios do trato urinário inferior. O presente trabalho tem como objetivo relatar o caso de um felino com divertículo vésico-uracal congênito relacionado à cistite crônica recorrente. Após o exame físico verificou-se que o gato tinha sensibilidade abdominal e bexiga com repleção acentuada. Como tratamento, o animal foi sondado, através da uretra, para a realização da lavagem vesical. Posteriormente foi encaminhado para a realização de exames imaginológicos de ultrassonografia convencional e radiografia contrastada. Conclui-se que a uretrocistografia excretora retrógrada mostrou-se um bom método de diagnóstico por imagem para a identificação dessa enfermidade.(AU)

Vesicle-uracal diverticulum is characterized by failure in closure the portion of the urachus located at the apex of the bladder, and by convex or conical luminal projection of the bladder apex, and may be of congenital or acquired origin associated with increased intraluminal pressure and lower urinary tract disorders. The present study aims to report a case of a feline with congenital vesicle-uracal diverticulum related to recurrent chronic cystitis. After the physical examination, it was verified that the cat had abdominal sensitivity and bladder with marked repletion. As treatment, the animal was probed through the urethra to perform vesical lavage, and later it was referred for imaging, conventional ultrasonography and contrast radiography. It was concluded that retrograde excretory uretrocistography was a good imaging diagnostic method for the identification of the disease.(AU)

Diagnóstico de divertículo vésico-uracal, em um felino, através da cistografia retrógrada / Diagnosis of vesicle-uracal diverticulum, in a feline, through retrograded cistographyt

O divertículo vésico-uracal é uma afecção caracterizada pela falha no fechamento da porção do úraco localizado no vértice da bexiga, e por projeção luminal convexa ou cônica do vértice da bexiga e pode ser de origem congênita ou adquirida, associada ao aumento de pressão intraluminal e distúrbios do trato urinário inferior. O presente trabalho tem como objetivo relatar o caso de um felino com divertículo vésico-uracal congênito relacionado à cistite crônica recorrente. Após o exame físico verificou-se que o gato tinha sensibilidade abdominal e bexiga com repleção acentuada. Como tratamento, o animal foi sondado, através da uretra, para a realização da lavagem vesical. Posteriormente foi encaminhado para a realização de exames imaginológicos de ultrassonografia convencional e radiografia contrastada. Conclui-se que a uretrocistografia excretora retrógrada mostrou-se um bom método de diagnóstico por imagem para a identificação dessa enfermidade.

Vesicle-uracal diverticulum is characterized by failure in closure the portion of the urachus located at the apex of the bladder, and by convex or conical luminal projection of the bladder apex, and may be of congenital or acquired origin associated with increased intraluminal pressure and lower urinary tract disorders. The present study aims to report a case of a feline with congenital vesicle-uracal diverticulum related to recurrent chronic cystitis. After the physical examination, it was verified that the cat had abdominal sensitivity and bladder with marked repletion. As treatment, the animal was probed through the urethra to perform vesical lavage, and later it was referred for imaging, conventional ultrasonography and contrast radiography. It was concluded that retrograde excretory uretrocistography was a good imaging diagnostic method for the identification of the disease.

Age-related changes of the cerebral ventricles of healthy domestic cats / Alterações senis dos ventrículos cerebrais de gatos domésticos hígidos

This study aimed to determine age-related changes of the cerebral ventricles of healthy non-brachycephalic domestic cats by the acquisition of brain MRI images of 12 adult (1 to 6 years), 11 mature (7 to11 years) and 10 geriatric (12 years or more) cats. Our hypothesis is that the cerebral ventricular system of cats expands with increasing age. The possibility of the evidence of the olfactory bulb cavities and temporal horns of the lateral ventricles were evaluated in this study. Volumes of the olfactory bulb cavities, lateral ventricles (including the temporal horns), third ventricle, mesencephalic aqueduct and fourth ventricle were measured and corrected for the intracranial volume. Significant differences were found between the adult and mature groups in relation to the geriatric one for the variable related to the evidence of the temporal ventricular horns, which were most frequently visualized in geriatric cats. Percentage of the right lateral and third ventricles volume by intracranial volume were significantly higher in geriatric cats compared to the adults. The results of this study demonstrate that ventricular dilation tends to occur with advancing age in cats, as well as the increase in the frequency of the temporal ventricular horn evidence, as had been indicated in the hypothesis of the study.(AU)

O estudo objetivou a determinação das alterações senis dos ventrículos cerebrais de gatos domésticos hígidos não braquicefálicos pela aquisição de imagens encefálicas de 12 indivíduos adultos (1 a 6 anos), 11 maduros (7 a 11 anos) e 10 geriátricos (12 anos de idade ou mais) por ressonância magnética. Nossa hipótese é de que o sistema ventricular dos gatos se expande com o avanço da idade. A possibilidade de evidenciação das cavidades do bulbo olfatório e dos cornos temporais dos ventrículos laterais foi avaliada nesse estudo. Os volumes das cavidades do bulbo olfatório, ventrículos laterais (incluindo os cornos temporais), terceiro ventrículo, aqueduto mesencefálico e quarto ventrículo foram mensurados e corrigidos de acordo com o volume intracraniano. Diferenças significativas foram encontradas entre os grupos dos adultos e maduros em relação aos geriátricos para a variável referente à evidenciação dos cornos temporais, que foram visualizados de forma mais frequente nos gatos geriátricos. A porcentagem do volume do ventrículo lateral direito e do terceiro ventrículo em relação ao volume intracraniano foi significativamente maior nos animais geriátricos em comparação aos adultos. Os resultados desse estudo demonstram que a dilatação ventricular tende a ocorrer com o avanço da idade nos gatos, assim como o aumento na frequência da evidenciação dos cornos temporais, como havia sido indicado na hipótese do estudo.(AU)

Age-related changes of the cerebral ventricles of healthy domestic cats / Alterações senis dos ventrículos cerebrais de gatos domésticos hígidos

This study aimed to determine age-related changes of the cerebral ventricles of healthy non-brachycephalic domestic cats by the acquisition of brain MRI images of 12 adult (1 to 6 years), 11 mature (7 to11 years) and 10 geriatric (12 years or more) cats. Our hypothesis is that the cerebral ventricular system of cats expands with increasing age. The possibility of the evidence of the olfactory bulb cavities and temporal horns of the lateral ventricles were evaluated in this study. Volumes of the olfactory bulb cavities, lateral ventricles (including the temporal horns), third ventricle, mesencephalic aqueduct and fourth ventricle were measured and corrected for the intracranial volume. Significant differences were found between the adult and mature groups in relation to the geriatric one for the variable related to the evidence of the temporal ventricular horns, which were most frequently visualized in geriatric cats. Percentage of the right lateral and third ventricles volume by intracranial volume were significantly higher in geriatric cats compared to the adults. The results of this study demonstrate that ventricular dilation tends to occur with advancing age in cats, as well as the increase in the frequency of the temporal ventricular horn evidence, as had been indicated in the hypothesis of the study.(AU)

O estudo objetivou a determinação das alterações senis dos ventrículos cerebrais de gatos domésticos hígidos não braquicefálicos pela aquisição de imagens encefálicas de 12 indivíduos adultos (1 a 6 anos), 11 maduros (7 a 11 anos) e 10 geriátricos (12 anos de idade ou mais) por ressonância magnética. Nossa hipótese é de que o sistema ventricular dos gatos se expande com o avanço da idade. A possibilidade de evidenciação das cavidades do bulbo olfatório e dos cornos temporais dos ventrículos laterais foi avaliada nesse estudo. Os volumes das cavidades do bulbo olfatório, ventrículos laterais (incluindo os cornos temporais), terceiro ventrículo, aqueduto mesencefálico e quarto ventrículo foram mensurados e corrigidos de acordo com o volume intracraniano. Diferenças significativas foram encontradas entre os grupos dos adultos e maduros em relação aos geriátricos para a variável referente à evidenciação dos cornos temporais, que foram visualizados de forma mais frequente nos gatos geriátricos. A porcentagem do volume do ventrículo lateral direito e do terceiro ventrículo em relação ao volume intracraniano foi significativamente maior nos animais geriátricos em comparação aos adultos. Os resultados desse estudo demonstram que a dilatação ventricular tende a ocorrer com o avanço da idade nos gatos, assim como o aumento na frequência da evidenciação dos cornos temporais, como havia sido indicado na hipótese do estudo.(AU)

Diagnóstico por imagen de la hernia discal Hansen tipo I, II y III en los perros / Imaging diagnostic of Hansen type I, II and III disc herniation in dogs / Diagnóstico por imagem de hérnia discal Hansen tipo I, II e III em cães

Para este estudio, se realizó una literatura sobre los métodos de diagnóstico de la hernia de disco, que es la enfermedad del disco más común en los perros y se relaciona con trastornos neurológicos que implican la médula espinal. La hernia de disco es la causa principal para la investigación por imagen de la columna vertebral en los animales pequeños. El diagnóstico por imagen es esencial para la comprensión de la enfermedad, la localización de la lesión y la gravedad. Las pruebas más comunes que se realizan en la medicina veterinaria son la radiografía y la mielografía, debido a que son más asequibles, pero el diagnóstico exacto es a través de la tomografía computarizada o resonancia magnética, siendo esta última la principal técnica de discopatías. Estos factores, así como su etiología, fisiopatología y la predisposición también serán abordados en este trabajo.(AU)

For the present study was reviewed bibliography about the diagnostic methods of disc herniation, which it is the discopathy most common in dogs and it is related to neurological disorders involving the spinal cord. Disc herniation is the main cause for the imaging investigation of the spine in small animal. Diagnostic imaging is fundamental to have knowledge of the disease, the location and severity of the lesion. The most common examinations performed in veterinary medicine are radiography and myelography, because they are more accessible, but an accurate diagnosis is made through computed tomography or magnetic resonance, being the latter the primary technique to the discopathy. These factors, as well as the etiology and pathophysiology will be approached also in this study.(AU)

Para o presente trabalho, foi realizado um levantamento bibliográfico abordando os métodos diagnósticos da hérnia discal, a qual é a discopatia mais comum em cães e está relacionada aos distúrbios neurológicos que envolvem a medula espinhal. A hérnia discal é a principal causa para a investigação imagenológica da coluna vertebral em pequenos animais. O diagnóstico por imagem é fundamental para obter o conhecimento da doença, da localidade da lesão e da gravidade. Os exames mais comuns realizados na rotina veterinária são a radiografia e a mielografia, por serem mais acessíveis, porém o diagnóstico preciso se dá por meio da tomografia computadorizada ou da ressonância magnética, sendo esta última a técnica primordial para as discopatias. Esses fatores, bem como sua etiologia, fisiopatologia e predisposição serão abordados também neste estudo.(AU)

Diagnóstico por imagen de la hernia discal Hansen tipo I, II y III en los perros / Imaging diagnostic of Hansen type I, II and III disc herniation in dogs / Diagnóstico por imagem de hérnia discal Hansen tipo I, II e III em cães

Para este estudio, se realizó una literatura sobre los métodos de diagnóstico de la hernia de disco, que es la enfermedad del disco más común en los perros y se relaciona con trastornos neurológicos que implican la médula espinal. La hernia de disco es la causa principal para la investigación por imagen de la columna vertebral en los animales pequeños. El diagnóstico por imagen es esencial para la comprensión de la enfermedad, la localización de la lesión y la gravedad. Las pruebas más comunes que se realizan en la medicina veterinaria son la radiografía y la mielografía, debido a que son más asequibles, pero el diagnóstico exacto es a través de la tomografía computarizada o resonancia magnética, siendo esta última la principal técnica de discopatías. Estos factores, así como su etiología, fisiopatología y la predisposición también serán abordados en este trabajo.

For the present study was reviewed bibliography about the diagnostic methods of disc herniation, which it is the discopathy most common in dogs and it is related to neurological disorders involving the spinal cord. Disc herniation is the main cause for the imaging investigation of the spine in small animal. Diagnostic imaging is fundamental to have knowledge of the disease, the location and severity of the lesion. The most common examinations performed in veterinary medicine are radiography and myelography, because they are more accessible, but an accurate diagnosis is made through computed tomography or magnetic resonance, being the latter the primary technique to the discopathy. These factors, as well as the etiology and pathophysiology will be approached also in this study.

Para o presente trabalho, foi realizado um levantamento bibliográfico abordando os métodos diagnósticos da hérnia discal, a qual é a discopatia mais comum em cães e está relacionada aos distúrbios neurológicos que envolvem a medula espinhal. A hérnia discal é a principal causa para a investigação imagenológica da coluna vertebral em pequenos animais. O diagnóstico por imagem é fundamental para obter o conhecimento da doença, da localidade da lesão e da gravidade. Os exames mais comuns realizados na rotina veterinária são a radiografia e a mielografia, por serem mais acessíveis, porém o diagnóstico preciso se dá por meio da tomografia computadorizada ou da ressonância magnética, sendo esta última a técnica primordial para as discopatias. Esses fatores, bem como sua etiologia, fisiopatologia e predisposição serão abordados também neste estudo.

Comparison of thermographic imaging and other diagnostic techniques in diagnosis of cattle with laminitis

Background: Lameness results in major economic losses on dairy farms. The proportion of lameness in cows are between 4-55%, the origin of 90% lameness are caused by foot diseases. Hoof abnormalities such as laminitis are major contributors to lameness. Aim of the study, compared with thermographic imaging (IRT) and radiographic, magnetic resonans (MR), computer tomography (CT), histopathological analysis on the diagnosis of laminitis.Materials, Methods & Results: Preliminary, the animals (20 Holstein-Fresian) were selected by lameness examination for evaluation of the for any obvious signs of disease. The animals were examined when rising and walking of the free stalls. Walking was very painful and clinical symptoms of general distress become present for laminitic group. The cows were scored on a 1 to 5 scale for their locomotion (1 = normal locomotion; 5 = severely lame). Thermographic examinations were performed the all animals after the routine clinical examination methods. The infrared images were taken from the dorsal view of all hoovesto monitor the temperature of coronary band. All images were scanned using a hand-held portable infrared camera (Wahl, Thermal Imager HSI3000 Series), which was calibrated to ambient temperature and absorptive conditions. Incentives radiological examinations, dorso-palmar and latero-medial shooting was done for using of (Regius Model 110 Konica, Minolta) 70 kV and 30 mAs for each claws. MRI images of all isolated digits were performed at the Department of Radiology, by using Siemens Symphony Erlangen, Germany. Continuous series of transversal, sagital and dorsoplantar scan were obtained from all digit. Computer tomography (CT), isolated digits were performed at the Imaging Department of Radiology, by using Siemens Symphony Erlangen, Germany.[...]

Comparison of thermographic imaging and other diagnostic techniques in diagnosis of cattle with laminitis

Background: Lameness results in major economic losses on dairy farms. The proportion of lameness in cows are between 4-55%, the origin of 90% lameness are caused by foot diseases. Hoof abnormalities such as laminitis are major contributors to lameness. Aim of the study, compared with thermographic imaging (IRT) and radiographic, magnetic resonans (MR), computer tomography (CT), histopathological analysis on the diagnosis of laminitis.Materials, Methods & Results: Preliminary, the animals (20 Holstein-Fresian) were selected by lameness examination for evaluation of the for any obvious signs of disease. The animals were examined when rising and walking of the free stalls. Walking was very painful and clinical symptoms of general distress become present for laminitic group. The cows were scored on a 1 to 5 scale for their locomotion (1 = normal locomotion; 5 = severely lame). Thermographic examinations were performed the all animals after the routine clinical examination methods. The infrared images were taken from the dorsal view of all hoovesto monitor the temperature of coronary band. All images were scanned using a hand-held portable infrared camera (Wahl, Thermal Imager HSI3000 Series), which was calibrated to ambient temperature and absorptive conditions. Incentives radiological examinations, dorso-palmar and latero-medial shooting was done for using of (Regius Model 110 Konica, Minolta) 70 kV and 30 mAs for each claws. MRI images of all isolated digits were performed at the Department of Radiology, by using Siemens Symphony Erlangen, Germany. Continuous series of transversal, sagital and dorsoplantar scan were obtained from all digit. Computer tomography (CT), isolated digits were performed at the Imaging Department of Radiology, by using Siemens Symphony Erlangen, Germany.[...](AU)