Primary Chondrosarcoma of the Mammary Gland of a Spayed American Akita Bitch: A Case Report

Frank Herbert Comhaire, Inge Matteeusen, Hilde De Cock

Dierenartsen Praktijk Healthy Paws, De Pinte, Belgium.
MedVet Inc., Antwerpen, Belgium.
Private Consultant, Sint Martens-Latem, Belgium.

DOI: 10.4236/ojvm.2012.22014                

Abstract

An eleven-year-old spayed American Akita bitch rapidly developed a mammary tumour which was surgically removed. The histological examination revealed the tumour to be a sarcoma that presented positive immunohistochemical staining against vimentin and protein S 100. There was no staining against pan-actin. Based on the histological aspect and the pattern of immunohistochemical staining the diagnosis of primary extraskeletal chondrosarcoma of the mammary gland was considered most probable. Two months later the patient was euthanized with recurrent local tumour and metastases in the lungs.

Keywords

Chondrosarcoma; Extraskeletal; Akita; Mammary Tumour

Conflicts of Interest

The authors declare no conflicts of interest.

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