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Cardiac Lymphoma in a Shih Tzu Dog  

Kim, Tae-Young (Section of Small Animal Internal Medicine, School of Veterinary Medicine and Institute of Veterinary Medicine, Kangwon National University)
Joo, Jeong-Hoon (OK Animal Hospital)
Hyun, Changbaig (Section of Small Animal Internal Medicine, School of Veterinary Medicine and Institute of Veterinary Medicine, Kangwon National University)
Publication Information
Journal of Veterinary Clinics / v.30, no.3, 2013 , pp. 196-200 More about this Journal
Abstract
A 7 years-old intact female dog (4.8 kg) was referred with primary complaints of enlarged surface lymph nodes, cardiac murmur, coughing and exercise intolerance. Diagnostic imaging studies found cardiomegaly with distended caudal vena cava, marked left ventricular and interventrciular septal thickening and flattening, severe aortic and pulmonic stenosis (~5 m/s), and mitral and tricuspid regurgitation (~4 m/s). Cytology for the samples obtained from submandibular lymph node and left ventricle revealed high grade malignant lymphoma. The case was diagnosed as cardiac lymphoma. The dog was treated with prednisolone (2 mg/kg, PO, q24h), lomustine (80 $mg/m^2$ PO, q3wk), diltiazem (1 mg/kg, PO, q12h) and enalalpril (0.5 mg/kg, PO, q12h). The clinical signs were improved after therapy. The dog is still on the chemotherapy and regularly checked up.
Keywords
lymphoma; cardiac tumor; pulmonic stenosis; aortic stenosis; heart;
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