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Unusual diagnosis of feline cardiac lymphoma using cardiac needle biopsy

Tanaka, S ; Suzuki, R ; Hirata, M ; Kagawa, Y ; Koyama, H

BMC veterinary research, 2022-06, Vol.18 (1), p.1-251, Article 251 [Periódico revisado por pares]

London: BioMed Central Ltd

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Título:
Unusual diagnosis of feline cardiac lymphoma using cardiac needle biopsy
Autor: Tanaka, S ; Suzuki, R ; Hirata, M ; Kagawa, Y ; Koyama, H
Assuntos: Appetite loss ; Biopsy ; Biopsy, Needle ; Blood pressure ; Calcium-binding protein ; Cancer ; Cardiac troponin I ; Cardiac tumors ; Cardiomyopathy ; Case Report ; Cats ; Cellular biology ; Chemotherapy ; Differential diagnosis ; Diseases ; Echocardiography ; Feline lymphoma ; Genotype & phenotype ; Growth ; Hypertrophy ; Lymphocytes ; Lymphocytes T ; Lymphoma ; Methods ; Myocardial hypertrophy ; Myocarditis ; Myocardium ; Ostomy ; Patient outcomes ; Pericardium ; Pleural effusion ; Radiography ; Remission ; Tamponade ; Thorax ; Troponin ; Troponin I ; Tumors ; Two-dimensional echocardiography ; Two-dimensional speckle-tracking echocardiography ; Ventricle
É parte de: BMC veterinary research, 2022-06, Vol.18 (1), p.1-251, Article 251
Notas: ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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Descrição: Abstract Background Cardiac tumors in cats are relatively rare, with lymphoma accounting for more than half of all cases. However, feline cardiac lymphoma is often diagnosed post-mortem, and it is difficult to diagnose while the cat is still alive. It is the first report of a direct, rather than estimative, diagnosis with cardiac needle biopsy of a living cat with cardiac lymphoma. Case presentation A 3-year-old domestic short-haired male cat experienced loss of energy and loss of appetite. Thoracic radiography and transthoracic echocardiography showed cardiomegaly with slight pleural effusion and cardiac tamponade due to pericardial effusion, respectively. In addition, partial hyperechoic and hypertrophy of the papillary muscle and myocardium were observed. Blood test showed an increase in cardiac troponin I levels. Pericardial fluid, removed by pericardiocentesis, was analyzed; however, the cause could not be determined. With the owner’s consent, pericardiectomy performed under thoracotomy revealed a discolored myocardium. Cardiac needle biopsy was performed with a 25G needle, and a large number of large atypical lymphocytes were collected; therefore, a direct diagnosis of cardiac lymphoma was made. Pathological examination of the pericardium diagnosed at a later date revealed T-cell large cell lymphoma. The cat underwent chemotherapy followed by temporary remission but died 60 days after the diagnosis. Postmortem, two-dimensional speckle-tracking echocardiography (data when alive) revealed an abnormal left ventricular myocardial deformation, which corresponded to the site of cardiac needle biopsy. Conclusions This rare case demonstrates that cardiac lymphoma should be added to the differential diagnosis in cats with myocardial hypertrophy and that the diagnosis can be made directly by thoracotomy and cardiac needle biopsy. In addition, the measurement of cardiac troponin I levels and local deformation analysis of the myocardium by two-dimensional speckle-tracking echocardiography may be useful in the diagnosis of cardiac tumors.
Editor: London: BioMed Central Ltd
Idioma: Inglês

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Unusual diagnosis of feline cardiac lymphoma using cardiac needle biopsy

Tanaka, S ; Suzuki, R ; Hirata, M ; Kagawa, Y ; Koyama, H

London: BioMed Central Ltd

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