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Renal Lymphoma with Mesenteric Lymphomatosis in a Cat

한국임상수의학회지 2020년 37권 4호 p.208 ~ 212
전진하, 송두원, 노웅빈, 김형석, 이가원, 조준호, 정우창, 김수현, 서정향, 박희명,
소속 상세정보
전진하 ( Jeon Jin-Ha ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine
송두원 ( Song Doo-Won ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine
노웅빈 ( Ro Woong-Bin ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine
김형석 ( Kim Heyong-Seok ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine
이가원 ( Lee Ga-Won ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine
조준호 ( Cho Jun-Ho ) - Goodpapa Animal Hospital
정우창 ( Jeong Woo-Chang ) - Africa Animal Medical Center
김수현 ( Kim Soo-Hyeon ) - Konkuk University College of Veterinary Medicine Department of Veterinary Pathology
서정향 ( Sur Jung-Hyang ) - Konkuk University College of Veterinary Medicine Department of Veterinary Pathology
박희명 ( Park Hee-myung ) - Konkuk University College of Veterinary Medicine Department of Veterinary Internal Medicine

Abstract


A 6-year-old castrated male Russian Blue cat was presented for evaluation of dyschezia. Abdominal
ultrasound revealed hyperechoic nodules in both kidneys, heterogeneous mass in abdomen, and extensive mesenteric
thickening with multiple hypoechoic nodules. Computed tomography showed multiple hypodense lesions in both kidneys
and diffuse nodular infiltration around the mesentery. Fine needle aspirates (FNA) acquired under ultrasound guidance
from the mesentery consisted of large lymphocytes which have round to irregular nuclei with granular chromatin,
prominent nucleoli and a small amount of basophilic cytoplasm. Polymerase chain reaction (PCR) for antigen receptor
gene rearrangement result of FNA sample revealed a T-cell malignancy. The cat died from acute renal failure after
1 cycle of modified Madison-Wisconsin L-CHOP protocol. Postmortem examination revealed bilaterally enlarged
lumpy-bumpy shaped kidneys. Histopathologic examination showed an infiltration of malignant lymphocytes into the
renal parenchyma and mesentery. Immunohistochemical staining of the renal sample displayed a negative expression
of CD3, PAX5, MUM-1, and CD79. The clinical features and prognosis of the cat with renal lymphoma with mesenteric
lymphomatosis have been described in this report.

키워드

feline; lymphoma; acute renal failure; lymphomatosis

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