Abstract
A 12-y-old, castrated male Weimaraner dog was presented for a wellness examination. A 7-cm, firm mass was palpated on the left, ventral, mid-lateral neck. The neck mass was removed surgically and submitted for histopathology. A thyroid carcinoma was diagnosed based on microscopic examination. Immunohistochemistry for chromogranin-A, calcitonin, and thyroglobulin identified dual immunoreactivity of the latter two, and a final diagnosis was of a well-differentiated, compact, mixed medullary and follicular cell thyroid carcinoma. These neoplasms are rare in humans and have not been reported in dogs, to our knowledge.
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Schedule a callMore From: Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
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