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1.
Acta sci. vet. (Impr.) ; 49(suppl.1): Pub.619-Jan 4, 2021. ilus
Artigo em Português | VETINDEX | ID: biblio-1458482

Resumo

Background: Intravascular lymphoma (IL) is a rare disease characterized by presence of neoplastic lymphocytes in thelumen of blood vessels. Any tissue can be affected; however, the most frequently compromised areas of the body are theskin and the central nervous system (CNS). The clinical signs and macroscopic alterations caused by IL are nonspecific andare usually secondary to a continuous proliferative disorder, which leads to occlusion of the blood vessels with consequentthrombosis, hemorrhage and infarction. The objective of this work is to report a case of IL in a dog.Case: An 8-year-old male Rottweiler dog was referred to the Veterinary Hospital of the Federal University of Paraná witha history of cerebellar ataxia that had not improved after treatment. At the neurological examination, cerebellar ataxia anddeficit of nasal reflex were detected. A complete blood count showed presence of slight anemia (4.8 million red bloodcells/mm3; normal ranges= 5.5-8.5 million/mm3) and thrombocytopenia (176.000/mm3; normal ranges= 250.000-500.000/mm3). Biochemical tests revealed a small increase in alanine aminotransferase (42 IU/L; normal ranges= 14-38 IU/L) and aslight decrease in alkaline phosphatase (49 IU/L; normal ranges= 90-170 IU/L). The cerebrospinal fluid (CSF) exhibited anincreased protein concentration (147.3 mg/dL; normal ranges= 18-44 mg/dL) and pleocytosis (8 cells/µL; normal ranges=up to 5 cells/µL). No alterations were observed at radiographic and ultrasonographic exams. A clinical treatment was prescribed; however, in view of the worsening of the clinical signs, euthanasia was performed, and the body was submittedto a Laboratory of Pathology. At necropsy, moderate multifocal ulcers were observed in the oral cavity and ventral side ofthe tongue; moderately infarcted areas were detected in the spleen. Additional alterations such as fatty liver degeneration...


Assuntos
Masculino , Animais , Cães , Cães , Linfoma/veterinária , Vasos Linfáticos/patologia , Vasos Sanguíneos/patologia , Anemia/veterinária , Ataxia Cerebelar/veterinária , Reflexo Anormal , Trombocitopenia/veterinária
2.
Acta sci. vet. (Online) ; 49(suppl.1): Pub. 619, 20 mar. 2021. ilus
Artigo em Português | VETINDEX | ID: vti-31002

Resumo

Background: Intravascular lymphoma (IL) is a rare disease characterized by presence of neoplastic lymphocytes in thelumen of blood vessels. Any tissue can be affected; however, the most frequently compromised areas of the body are theskin and the central nervous system (CNS). The clinical signs and macroscopic alterations caused by IL are nonspecific andare usually secondary to a continuous proliferative disorder, which leads to occlusion of the blood vessels with consequentthrombosis, hemorrhage and infarction. The objective of this work is to report a case of IL in a dog.Case: An 8-year-old male Rottweiler dog was referred to the Veterinary Hospital of the Federal University of Paraná witha history of cerebellar ataxia that had not improved after treatment. At the neurological examination, cerebellar ataxia anddeficit of nasal reflex were detected. A complete blood count showed presence of slight anemia (4.8 million red bloodcells/mm3; normal ranges= 5.5-8.5 million/mm3) and thrombocytopenia (176.000/mm3; normal ranges= 250.000-500.000/mm3). Biochemical tests revealed a small increase in alanine aminotransferase (42 IU/L; normal ranges= 14-38 IU/L) and aslight decrease in alkaline phosphatase (49 IU/L; normal ranges= 90-170 IU/L). The cerebrospinal fluid (CSF) exhibited anincreased protein concentration (147.3 mg/dL; normal ranges= 18-44 mg/dL) and pleocytosis (8 cells/µL; normal ranges=up to 5 cells/µL). No alterations were observed at radiographic and ultrasonographic exams. A clinical treatment was prescribed; however, in view of the worsening of the clinical signs, euthanasia was performed, and the body was submittedto a Laboratory of Pathology. At necropsy, moderate multifocal ulcers were observed in the oral cavity and ventral side ofthe tongue; moderately infarcted areas were detected in the spleen. Additional alterations such as fatty liver degeneration...(AU)


Assuntos
Animais , Masculino , Cães , Linfoma/veterinária , Cães , Vasos Sanguíneos/patologia , Vasos Linfáticos/patologia , Ataxia Cerebelar/veterinária , Reflexo Anormal , Anemia/veterinária , Trombocitopenia/veterinária
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