Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
A Bovine Case of Ameloblastic Fibro-odontoma
S KUREW SHIRAIF YAMADA
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1973 Volume 26 Issue 1 Pages 31-35

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Abstract

A tumor was found in the third-molar region of the left maxilla in a steer about 21 months old. Swelling occurred to the left maxilla. With bad prognosis, the steer was condemned.
The tumor was about 11cm in diameter, showing a cauliflower-like appearance. It contained a hard bone-like structure, presenting odontogenesis. More than 10 hairs were grown in it. Its surface was affected with suppurative inflammation and had a cavity in it. Histological examination revealed adamantinoma originated from outer and inner enamel epithelium, odontoma accompanied by odontogenesis, and mesodermal fibromatous proliferation. As a result, this case was diagnosed as ameloblastic fibroodontoma.

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