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OBJECTIVES: Studies in humans have demonstrated the role of Toxoplasma gondii, a protozoan parasite, in epileptic seizures. This study aimed to investigate the serological correlation between T. gondii and N. caninum and epilepsy in dogs. MATERIALS AND METHODS: The medical record database of the Veterinary Teaching Hospital, University of Perugia, was searched for dogs serologically tested by IFAT for T. gondii and N. caninum and following specific inclusion criteria. Dogs were stratified by having a clinical diagnosis of epilepsy or suffering different conditions. RESULTS: One-hundred and twenty-eight dogs were included, 64 with epilepsy and 64 without clinical signs of epilepsy. Seventeen of the 64 epileptic dogs (26.6%; 95% CI: 15.7% to 37.4%) and twenty-one of the 64 non-epileptic dogs (32.8%; 95% CI: 21.3% to 44.3%) tested positive for T. gondii. Eight of the epileptic dogs (12.5%; 95% CI: 4.4% to 20.6%) and three of the non-epileptic dogs (4.7%; 95% CI: 0% to 9.9%) tested positive for N. caninum. There was no statistically significant difference in the rate of T. gondii or N. caninum seroreactivity between epileptic and non-epileptic dogs. CLINICAL SIGNIFICANCE: The results obtained do not seem to support the role of T. gondii and N. caninum as causative agents of dog epilepsy.
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Allogeneic hematopoietic stem cell transplantation (HSCT) is still needed for many children with very high-risk acute leukemia. An HLA-haploidentical family donor is a suitable option for those without an HLA-matched donor. Here we present outcomes of a novel HLA-haploidentical HSCT (haplo-HSCT) strategy with adoptive immunotherapy with thymic-derived CD4+CD25+ FoxP3+ regulatory T cells (Tregs) and conventional T cells (Tcons) performed between January 2017 and July 2021 in 20 children with high-risk leukemia. Median age was 14.5 years (range, 4-21), 15 had acute lymphoblastic leukemia, 5 acute myeloid leukemia. The conditioning regimen included total body irradiation (TBI), thiotepa, fludarabine, cyclophosphamide. Grafts contained a megadose of CD34+ cells (mean 12.4 × 106/Kg), Tregs (2 × 106/Kg) and Tcons (0.5-1 × 106/Kg). All patients achieved primary, sustained full-donor engraftment. Only one patient relapsed (5%). The incidence of non-relapse mortality was 15% (3/20 patients). Five/20 patients developed ≥ grade 2 acute Graft versus Host Disease (aGvHD). It resolved in 4 who are alive and disease-free; 1 patient developed chronic GvHD (cGvHD). The probability of GRFS was 60 ± 0.5% (95% CI: 2.1-4.2) (Fig. 6), CRFS was 79 ± 0.9% (95% CI: 3.2-4.9) as 16/20 patients are alive and leukemia-free. The median follow-up was 2.1 years (range 0.5 months-5.1 years). This innovative approach was associated with very promising outcomes of HSCT strategy in pediatric patients.
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Enfermedad Injerto contra Huésped , Trasplante de Células Madre Hematopoyéticas , Leucemia Mieloide Aguda , Humanos , Niño , Adolescente , Inmunoterapia Adoptiva/efectos adversos , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Enfermedad Injerto contra Huésped/etiología , Leucemia Mieloide Aguda/complicaciones , Células Madre Hematopoyéticas , Acondicionamiento Pretrasplante/efectos adversosRESUMEN
Echocardiographic guidance provides an alternative method when fluoroscopy is unavailable, equipment or power failure of fluoroscopic equipment during a procedure occurs or to decrease radiation risk. Recently, transthoracic (TTE) and transesophageal echocardiography were reported as an alternative method to guide interventional procedures in dogs. Therefore, we hypothesized that TTE could be used as an alternative method to visualize endocardial leads during pacemaker implantation in dogs, largely avoiding the use of fluoroscopy. A prospective consecutive case series of pacemaker implantation was performed using TTE guidance. The endocardial lead was imaged by TTE during its intracardiac advancement until the lead tip was positioned at the right ventricular apex. Echocardiographic right parasternal views, optimized to visualize the pacing lead, were used, starting with a short axis image of the right atrium and ending with a long axis view of the right ventricle (RV) optimized to image the RV apex. Proper lead placement was confirmed by both capture threshold, impedance and fluoroscopy. Twenty-one pacemaker implantation procedures by TTE monitoring were successfully performed. The TTE guidance provided images of a quality sufficient to clearly monitor implantation in real-time and allowed for immediate corrections to pacing lead malpositioning or excessive looping. Fluoroscopy was used to confirm the correct placement of the lead that was guided echocardiographically in the initial three procedures, after which a single radiographic image (no cine-mode) was used to identify lead placement and redundancy in the remaining eighteen cases. Static imaging (radiography using the fluoroscope) was used to assess the proper lead redundancy in all procedures because this cannot be evaluated echocardiographically. Pacemaker leads were successfully implanted in the RV of dogs using TTE monitoring. A larger cases series is needed for validation of safety and effectiveness of TTE during this interventional procedure in dogs.
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Marcapaso Artificial , Animales , Estimulación Cardíaca Artificial/veterinaria , Perros , Ecocardiografía/veterinaria , Fluoroscopía/veterinaria , Marcapaso Artificial/veterinaria , Estudios ProspectivosRESUMEN
Nuclear glycogen inclusions occur infrequently in pathologic conditions but also in normal human and animal tissues. Their function or significance is unclear. To the best of the authors' knowledge, no reports of nuclear glycogen inclusions in canine parietal cells exist. After initial observations of nuclear inclusions/pseudoinclusions during routine histopathology, the authors retrospectively examined samples of gastric mucosa from dogs presenting with gastrointestinal signs for the presence of intranuclear inclusions/pseudoinclusions and determined their composition using histologic and electron-microscopic methods. In 24 of 108 cases (22%), the authors observed various numbers of intranuclear inclusions/pseudoinclusions within scattered parietal cells. Nuclei were characterized by marked karyomegaly and chromatin margination around a central optically empty or slightly eosinophilic area. The intranuclear inclusions/pseudoinclusions stained positive with periodic acid-Schiff (PAS) and were diastase sensitive, consistent with glycogen. Several PAS-positive/diastase-sensitive sections were further examined by transmission electron microscopy, also using periodic acid-thiocarbohydrazide-silver proteinate (PA-TCH-SP) staining to identify polysaccharides. Ultrastructurally, the nuclear inclusions were composed of electron-dense particles that were not membrane bound, without evidence of nuclear membrane invaginations or cytoplasmic organelles in the nuclei, and positive staining with PA-TCH-SP, confirming a glycogen composition. No cytoplasmic glycogen deposits were observed, suggesting that the intranuclear glycogen inclusions were probably synthesized in loco. Nuclear glycogen inclusions were not associated with gastritis or colonization by Helicobacter-like organisms ( P > .05). Our findings suggest that nuclear glycogen inclusions in canine parietal cells could be an incidental finding. Nevertheless, since nuclear glycogen is present in several pathologic conditions, further investigations could be warranted to determine their true significance.
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Enfermedades de los Perros/patología , Glucógeno/metabolismo , Cuerpos de Inclusión Intranucleares/patología , Células Parietales Gástricas/patología , Animales , Perros , Femenino , Cuerpos de Inclusión Intranucleares/ultraestructura , Masculino , Microscopía Electrónica de Transmisión/veterinaria , Células Parietales Gástricas/ultraestructura , Estudios Retrospectivos , Gastropatías/patología , Gastropatías/veterinariaRESUMEN
A new formulation of omeprazole in gastro-resistant granules was tested with regard to its pharmacokinetics and tolerability. Twenty-four horses were randomly divided into three groups (8 horses/group) and treated, according a parallel study design, as follows: Group A untreated (control group), Group B received 4 mg/kg of omeprazole, and Group C received 12 mg/kg of omeprazole, both of which were treated orally once a day for 90 days. Blood samples, taken from Group B subjects during the 1st and the 29th day of treatment at pre-established time points, were used to determine the concentration-time curves of omeprazole. The treatments were found to be safe and well tolerated by the horses. The serum hematological and biochemical values were within reference ranges for the entire observational time. No accumulation of the drug was found after 29 days of treatment. Lower Cmax and AUCs were obtained at the 29th day of treatment.
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Antiulcerosos/farmacocinética , Caballos/metabolismo , Omeprazol/farmacocinética , Animales , Área Bajo la CurvaRESUMEN
INTRODUCTION: The microscopic study and the interpretation of skin samples with advanced post-mortal phenomena or with particular destructive injuries is problematic for the forensic pathologist. In an attempt of restoring the histological architecture of cadaveric skin and overcoming these types of problem, the Authors performed a histological processing that was longer than the standard: it was extended until 62 days to evaluate the improvement of the microscopic morphological aspect. MATERIALS AND METHODS: Cutaneous samples were taken from 25 cadavers (5 typologies of skin: charred, putrified, corifed, mummified and partially skeletonized), fixed with a 10%-buffered formalin and then processed in two different ways: one half of the samples was routinely addressed to the standard-time automatic technique, while the other half was manually processed with prolonged times. All the slides were then stained in Hematoxylin-Eosin. RESULTS: The standard-processed slides demonstrated marked morphological alterations and artefacts at the microscopic observation; conversely, those processed with the prolonged manual technique showed an improvement in the morphological structure, sometimes permitting the identification of the anatomical components. CONCLUSION: Though it is characterized by the inconvenience of protracted times, the application of a long-term manual histological processing to cadaveric skin samples with advanced post-mortal alteration permits to better observe the anatomical architecture of skin and it could be useful and helpful in the evaluation of such cases.
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Cambios Post Mortem , Piel/patología , Manejo de Especímenes/métodos , Adulto , Anciano , Anciano de 80 o más Años , Quemaduras/patología , Femenino , Patologia Forense/métodos , Humanos , Masculino , Microscopía , Persona de Mediana Edad , Momias/patología , Piel/lesiones , Adulto JovenRESUMEN
BACKGROUND: Acute compartment syndrome (ACS) is a clinical condition with potentially dramatic consequences, therefore, it is important to recognise and treat it early. Good management of ACS minimises or avoids the sequelae associated with a late diagnosis, and may also reduce the risk of malpractice claims. The aim of this article was to evaluate different errors ascribed to the surgeon and to identify how the damage was evaluated. MATERIALS AND METHODS: A total of 66 completed and closed ACS cases were selected. The following were analysed for each case: clinical management before and after diagnosis of ACS, imputed errors, professional fault, damage evaluation and quantification. Particular attention was paid to distinguishing between impairment because of primary injury and iatrogenic impairment. Statistical analyses were performed using Fisher's exact test and Pearson's correlation. RESULTS: The most common presenting symptom was pain. Delay in the diagnosis, and hence delay in decompression, was common in the study. A total of 48 out of 66 cases resolved with the verdict of iatrogenic damage, which varied from 12% to 75% of global capability of the person. A total of $394,780 out of $574,680 (average payment) derived from a medical error. CONCLUSIONS: ACS is a clinical emergency that requires continuous clinical surveillance from both medical and nursing staff. The related damage should be evaluated in two parts: damage deriving from the trauma, so that it is considered inevitable and independent from the surgeon's conduct, and damage deriving from a surgeon's error, which is eligible for an indemnity payment.
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Síndromes Compartimentales/economía , Servicio de Urgencia en Hospital/estadística & datos numéricos , Enfermedad Iatrogénica/economía , Seguro de Responsabilidad Civil/estadística & datos numéricos , Errores Médicos/economía , Procedimientos Ortopédicos/estadística & datos numéricos , Enfermedad Aguda , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Síndromes Compartimentales/epidemiología , Síndromes Compartimentales/etiología , Diagnóstico Tardío/economía , Diagnóstico Tardío/estadística & datos numéricos , Femenino , Adhesión a Directriz , Humanos , Enfermedad Iatrogénica/epidemiología , Revisión de Utilización de Seguros/estadística & datos numéricos , Seguro de Responsabilidad Civil/economía , Italia/epidemiología , Masculino , Errores Médicos/estadística & datos numéricos , Persona de Mediana Edad , Estudios Retrospectivos , Factores de TiempoRESUMEN
It is well-known that old animals show physiologic and/or pathologic variation that could modify the pharmacokinetics of drugs and the related pharmacodynamic response. In order to define the most appropriate therapeutic protocol in old horses, pharmacokinetic profile and safety of naproxen were investigated in horses aged over 18 years after oral administration for 5 days at the dose of 10 mg/kg b.w./day. After the first administration, the maximum concentration (Cmax 44.21 ± 9.21 µg/mL) was reached at 2.5 ± 0.58 h post-treatment, the harmonic mean terminal half-life was 6.96 ± 1.73 h, AUC0-24h was 459.71 ± 69.95 h µg/mL, MRT was 7.44 ± 0.74 h and protein binding was 98.47 ± 2.72%. No drug accumulation occurred with repeated administrations. No clinical and laboratory changes were detected after administration of naproxen. Gastric endoscopies performed after the treatment did not show pathological changes of the gastric mucosa.
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Mucosa Gástrica/metabolismo , Caballos/metabolismo , Naproxeno/farmacología , Administración Oral , Animales , Área Bajo la Curva , Femenino , Semivida , Naproxeno/administración & dosificaciónRESUMEN
BACKGROUND: Aesthetic surgery procedures are increasing all over the world, and so are related medicolegal questions and litigation cases. Aesthetic mammaplasties represent a very important part of this field and consequently many cases of error appear. Most of these errors lead to litigation from which plastic surgeons rarely can be exonerated. The aim of this article was to evaluate different errors ascribed to the plastic surgeon, the rate of cases in which professional responsibility has been identified, and the type of guilt imputed. METHODS: Each case is based on the evaluation of both documentation used by the judge and the relationships of two specialists involved in the assessment of the presumed error. In every case, problems complained about by the patient and the eventually related error of the surgeon were analyzed. Moreover, the eventual identification of professional responsibility, the quantified damage, and its possible reduction by another corrective operation were considered. RESULTS: The cases studied (N=50) were divided into 34 cases of augmentation mammaplasty, 11 cases of reduction mammaplasty, and 5 cases of mastopexy. Most of the problems complained about by patients were in the preoperative and intraoperative phases. In only 10% of the cases was the informed consent contested and an expected reduction of the damage was individuated in less than half of cases. CONCLUSIONS: The evaluation of aesthetic damage is a tricky question due to different aspects such as the psychological component or the frequent lack of adequate photographic documentation of the patient before the operation. Moreover, whenever possible reduction of the damage is proposed, the patient's willingness to undergo another operation, with all its related costs and benefits, must be considered.
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Mama/cirugía , Mamoplastia/legislación & jurisprudencia , Errores Médicos/legislación & jurisprudencia , Cirugía Plástica/legislación & jurisprudencia , Enfermedades de la Mama/psicología , Enfermedades de la Mama/cirugía , Femenino , Humanos , Consentimiento Informado/legislación & jurisprudencia , Italia , Responsabilidad Legal , Mamoplastia/psicología , Relaciones Médico-PacienteRESUMEN
Primary lung tumors are rare in dogs, whereas pulmonary metastatic neoplastic involvement is common. We describe a case of a 12-year-old male, mixed-breed dog with a 3-month history of coughing and dyspnea. The investigating protocol, which also includes transcutaneous pulmonary biopsy, allowed a diagnosis of lung adenocarcinoma that necroscopic findings confirmed as a primary neoplasia. The tumor exhibited a nodular-disseminated growth, mimicking the metastatic involvement of the lung, instead of the single-mass appearance that has been observed by other authors. The present report indicates that, although the incidence of canine primary lung neoplasms is markedly low, this condition must be considered in the differential diagnosis of lung diseases that cause coughing and dyspnea in older dogs.
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Adenocarcinoma Papilar/veterinaria , Enfermedades de los Perros/patología , Neoplasias Pulmonares/veterinaria , Adenocarcinoma Papilar/patología , Animales , Perros , Neoplasias Pulmonares/patología , MasculinoRESUMEN
The cancer antigen 15/3 is a mucin that is associated with the cell membrane, encoded by the MUC1 gene, and recognized by the monoclonal-clone DF3 antibody. The latter antigen was discovered to be specific for both the identification of human mammary neoplasia and during patient follow-up evaluations. The aim of this study is to report and compare the results of the application of direct chemiluminescence in canine blood sera and the kit utilized in human medicine for the determination of Ca 15/3 to verify the diagnostic efficiency of the kit in cases presenting mammary tumors. Specifically, CA 15/3 has proven to be measurable in all samples assayed to distinguish clinically healthy subjects from those with mammary neoplasia.
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Enfermedades de los Perros/diagnóstico , Mucina-1/metabolismo , Neoplasias/veterinaria , Animales , Enfermedades de los Perros/sangre , Enfermedades de los Perros/metabolismo , Perros , Femenino , Masculino , Neoplasias/sangre , Neoplasias/diagnóstico , Caracteres SexualesAsunto(s)
Colangiocarcinoma/veterinaria , Enfermedades de los Caballos/diagnóstico , Animales , Conductos Biliares Intrahepáticos/patología , Colangiocarcinoma/diagnóstico , Colangiocarcinoma/mortalidad , Colangiocarcinoma/patología , Resultado Fatal , Femenino , Enfermedades de los Caballos/mortalidad , Enfermedades de los Caballos/patología , CaballosRESUMEN
The present study aims to investigate the feasibility and influence of the lymphatic mapping and sentinel node biopsy on determination of the nodal status in thyroid carcinoma using blue-dye method. Nine consecutive patients with cytological diagnosis of papillary carcinoma were included in this study. To detect the sentinel lymphnode, intra- or perinodular injection of an average quantity of 0.5 ml (range : 0.1-1.2) of Ble Patenté V was performed intraoperatively in 8 cases only, as in one case a solitary cystic nodule occupied the entire lobe and thus any injection was impossible. After an average time of 16 minutes (range : 5-25) before dissection of the thyroid , no lymphnodes and no lymphatic afferent thereto visibly coloured were evidenced, except for spread of the vital dye into adjacent tissue and disrupted blood and lymphatic vessels at the injection site. Our results evidence that : intranodular injection, does not allow proper diffusion of the dye in the adjacent parenchyma, and in nodules smaller than 1 cm it may be difficult ; and that it is hazardous in cystic nodule because of the rupture risk; perinodular injection, at the four cardinal points, is impossible when the nodule occupies the entire lobe or the isthmus; multinodular goiter complicates the identification by palpation of the neoplastic nodule in which the dye should be injected or, if perinodular injection is given, to detect the parenchyma surrounding the nodule.
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Carcinoma Papilar/patología , Colorantes , Colorantes de Rosanilina , Biopsia del Ganglio Linfático Centinela/métodos , Neoplasias de la Tiroides/patología , Adulto , Colorantes/administración & dosificación , Estudios de Factibilidad , Femenino , Humanos , Inyecciones , Ganglios Linfáticos/patología , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias/métodos , Proyectos Piloto , Colorantes de Rosanilina/administración & dosificaciónRESUMEN
INTRODUCTION: The higher brain functions, together with the devices that sustain them, are essential assets belonging to human beings which are used to situate themselves in the world. They can be studied by conducting neuropsychological tests, the results of which vary according to demographic factors, such as age, sex, hand dominance, culture and level of schooling. The socioeconomic level (SEL) is another factor to be taken into account and must also be evaluated. AIMS: Our objective was to evaluate and analyse the influence of SEL on the results obtained from neuropsychological tests carried out in normal school-age children. SUBJECTS AND METHODS: We studied 401 normal children, of both sexes, taken at random, at the beginning (1st grade, 6 years old) and at the end (7th grade, 12 years old) of elementary school and belonging to two different SEL: high and low. Schools belonging to different categories were selected: public, private, urban and suburban. A battery of tests that is commonly used in Neuropsychology was utilised to evaluate laterality, spatial orientation, integration (Bender's test and the Rey figure test), attention, memory and the areas of language, gnosis and praxis. RESULTS: Significant differences were found in relation to the SEL in the 1st and 7th grade tests: 20/27 (74%) and 17/27 (62%), respectively. These always meant lower results in the low SEL, except body scheme, ideomotor praxis and phonological coding, which in the 7th grade run in the opposite direction. Results were not related to the type of school (urban-suburban, public-private), sex, laterality or teachers' characteristics. Differences were more striking in the area of language, basic devices (attention, memory) and in the tests that integrate several different functions (Bender's test, Rey figure test). CONCLUSIONS: SEL is linked to the results obtained in neuropsychological evaluation tests. There is a direct relationship with low results in the low level. There is also a correlation between certain family characteristics associated to the SEL and the scores in the cognitive evaluation tests.
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Encéfalo/fisiología , Cognición/fisiología , Sector Privado , Sector Público , Estudiantes , Adolescente , Atención , Niño , Humanos , Lenguaje , Memoria , Pruebas Neuropsicológicas , Fonética , Factores Socioeconómicos , EspañaRESUMEN
Introducción. Las funciones cerebrales superiores y los dispositivos que las sustentan son posesiones fundamentales de los seres humanos, con las cuales se insertan en el mundo. Su estudio puede realizarse mediante pruebas neuropsicológicas, cuyos resultados varían en función de factores demográficos como la edad, el sexo, la dominancia manual, la cultura y el nivel educativo. El nivel socio-económico (NSE) es otro factor a tener en cuenta y que requiere su evaluación. Objetivo. Evaluar y analizar la influencia del NSE en los resultados obtenidos mediante pruebas neuropsicológicas en niños normales en edad escolar. Sujetos y métodos. Se estudiaron 401 niños normales, de ambos sexos, tomados al azar, al comienzo (1.er grado, 6 años) y al final (7.º grado, 12 años) de la escuela primaria y pertenecientes a dos NSE: alto y bajo. Se seleccionaron escuelas de diferentes categorías: públicas, privadas, urbanas y suburbanas. Se utilizó una batería de pruebas de uso habitual en Neuropsicología destinadas a evaluar la lateralidad, la orientación espacial, la integración (test de Bender y figura de Rey), la atención, la memoria y las áreas del lenguaje, las gnosias y las praxias. Resultados. Se encontraron diferencias significativas relacionadas con el NSE en las pruebas de 1.er y 7.º grados: 20/27 (74%) y 17/27 (62%), respectivamente. Los resultados siempre fueron más bajos en el NSE bajo, con la excepción de esquema corporal, praxias ideomotoras y código fonológico, que en 7.º grado invierten el sentido. Los resultados no se relacionaron con el tipo de escuela (urbana-suburbana, pública-privada), el sexo, la lateralidad o las características de los docentes. Las diferencias fueron más marcadas en el área del lenguaje, de los dispositivos básicos (atención, memoria) y de las pruebas que integran varias funciones (test de Bender, figura de Rey). Conclusiones. El NSE se asocia con los resultados obtenidos en las pruebas de evaluación neuropsicológica. La relación es directa con resultados bajos en el nivel bajo. Ciertas características familiares asociadas al NSE se correlacionan con los resultados de las pruebas de evaluación cognitiva
Introduction. The higher brain functions, together with the devices that sustain them, are essential assets belonging to human beings which are used to situate themselves in the world. They can be studied by conducting neuropsychological tests, the results of which vary according to demographic factors, such as age, sex, hand dominance, culture and level of schooling. The socioeconomic level (SEL) is another factor to be taken into account and must also be evaluated. Aims. Our objective was to evaluate and analyse the influence of SEL on the results obtained from neuropsychological tests carried out in normal school-age children. Subjects and methods. We studied 401 normal children, of both sexes, taken at random, at the beginning (1st grade, 6 years old) and at the end (7th grade, 12 years old) of elementary school and belonging to two different SEL: high and low. Schools belonging to different categories were selected: public, private, urban and suburban. A battery of tests that is commonly used in Neuropsychology was utilised to evaluate laterality, spatial orientation, integration (Bender's test and the Rey figure test), attention, memory and the areas of language, gnosis and praxis. Results. Significant differences were found in relation to the SEL in the 1st and 7th grade tests: 20/27 (74%) and 17/27 (62%), respectively. These always meant lower results in the low SEL, except body scheme, ideomotor praxis and phonological coding, which in the 7th grade run in the opposite direction. Results were not related to the type of school (urban-suburban, public-private), sex, laterality or teachers' characteristics. Differences were more striking in the area of language, basic devices (attention, memory) and in the tests that integrate several different functions (Benders test, Rey figure test). Conclusions. SEL is linked to the results obtained in neuropsychological evaluation tests. There is a direct relationship with low results in the low level. There is also a correlation between certain family characteristics associated to the SEL and the scores in the cognitive evaluation tests
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Niño , Humanos , Cognición/fisiología , Sector Privado , Sector Público , Estudiantes , Telencéfalo/fisiología , Atención , Memoria , Lenguaje , Fonética , Factores Socioeconómicos , España , Pruebas NeuropsicológicasRESUMEN
The simultaneous presence of more than one primary malignant tumour in the same patient is a relatively rare event, with values going from 2.7% to 6.8%. In this paper two synchronous colorectal-renal cases surgically treated are described; in the first case with only one resolutive operation for the two tumours, in the second with two consecutive operations. In both cases, the patients had no familiarity for colorectal or renal malignant tumours. Both cases have paradigmatic peculiarities: in the first the discovery of the renal neoplasm has been possible in election during the normal execution of the diagnostic protocol for sigmoido-rectal neoplasm. The second case shows the other possible modality of the outset of the two tumours: the occlusive urgency which never allows to discover immediately the renal tumour (unless a laparotomic exploration makes it perceptible).
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Neoplasias Colorrectales/cirugía , Neoplasias Renales/cirugía , Neoplasias Primarias Múltiples/cirugía , Adulto , Anciano , Neoplasias Colorrectales/diagnóstico , Femenino , Humanos , Neoplasias Renales/diagnóstico , Laparotomía , MasculinoRESUMEN
The intravascular ultrasound (IVUS) modality has rapidly gained acceptance for the measurement of arterial plaque thickness and for anatomical characterization. In view, however, of the growing interest in the direct assessment of plaque size after therapeutic modalities directly reducing plaque burden, a non-invasive method such as magnetic resonance imaging (MRI) may be of help for repeated evaluations. The two methods were compared directly on a focal plaque developed at the abdominal aortic level by a combination of local electric lesion followed by a hypercholesterolemic diet. The plaque was fully characterized histopathologically at intervals up to 120 days from lesion induction, and maximal plaque formation was detected at 90 days from electrical injury. Plaques could be well assessed by IVUS at each time point analyzed and data correlated very well to histopathologic findings (r = 0.969, P = 0.0014). The MRI technology provided reliable determinations only at 90 days after lesion induction, i.e. at maximal plaque formation, with excellent correspondence to IVUS determinations (r = 0.989, P = 0.0111). Altogether these findings indicate that the non-invasive MRI technology, when applied to the analysis of arterial plaques of adequate size, can be used successfully for plaque determination, with results comparable to the invasive IVUS technique.