Journal of Japan Veterinary Cancer Society
Online ISSN : 1884-3352
Print ISSN : 1884-3344
ISSN-L : 1884-3344
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A case of canine medullary thyroid carcinoma with renal metastasis
Hiroko KawamuraHiroki YamaneRui MizunoKotomi SawaSawako MitaniSatoshi Mitani
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2021 Volume 10 Issue 2 Pages 13-18

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Abstract

A 10-year-old spayed female Akita dog developed a mass of 41 × 81 mm in diameter on the neck. The mass was a non-functioning thyroid tumor that had invaded the posterior lymph nodes of the medial pharynx. In addition, a 30-mm-diameter mass lesion was found on the cephalic side of the left renal cortex. The patient underwent en bloc resection of the left thyroid gland and posterior medial pharyngeal lymph nodes, and a total nephrectomy of the left kidney. Histopathological examination revealed a medullary thyroid carcinoma, diagnosed as T2aN1aM1 stage IV with renal metastasis. A low-dose of carboplatin was administered as the follow-up adjuvant chemotherapy. As of the 525th disease day, the patient is stable without obvious metastasis.

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© 2021 Japan Veterinary Cancer Society
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