A FIRST FELINE CASE OF CARDIOMYOPATHY ASSOCIATED WITH HYPERTHYROIDISMDUE TO THYROID ADENOMA IN JAPAN

A 13-year-old castrated male Persian cat was presented with depression anorexia, and weight loss. Radiographic and electrocardiographical ex aminations revealed cardiomegaly and sinus tachycardia. Cardiac ultras onography indicated hypertrophy of the left ventricular free wall and interventricular septum, and left atrial enlargement Elevated serum T3 and T4 levels were observed and thyroid adenoma was confirmed by hist opathology. Based on these findings, the cat was diagnosed as cardiomy opathy associated with hyperthyroidism induced by thyroid tumor. This report describes the first feline case of cardiomyopathy associated wi th hyperthyroidism in Japan.