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OJVRTM

Online Journal of Veterinary Research©

 

Volume 19(3): 176-179, 2015.

Gingival squamous cell carcinoma in a dog.

 

Namazi, F.1, Ranjbar Kohan, N. 2, Afsar, M.2, Allahdin, H. 2,  Nazifi, S. *2

 

1Department(s) of Pathobiology, 2 Clinical Studies, School of Veterinary Medicine, Shiraz University, Shiraz, Iran

 

ABSTRACT

 

Namazi F, Kohan RN, Afsar M, Allahdin H,  Nazifi S., Gingival squamous cell carcinoma in a dog, Onl J Vet Res.,  19(3): 176-179, 2015. We describe clinical and pathological findings in a 9-year-old sheep dog with gingival squamous cell carcinoma. The dog was presented with a swelling of the left mandible. Plain radiographs of the head revealed a soft tissue mass behind the ventral border of the left mandible. At necropsy, the tumor presented as reddish-brown ulcerated and irregular tumoral masses of the gingiva. In the cytology smear, there were oval angular-shaped squamous epithelial cells of varying immaturity and staining. Some cells showed dyskeratosis and tissues were composed of cords and islands of squamous epithelial cells with  abundant eosinophilic cytoplasm, large ovoid nuclei with a prominent nucleolus. The mitotic figures were moderate. Based on the histopathological findings, the tumor was diagnosed as a moderately differentiated gingival squamous cell carcinoma.

 

Keywords: Dog, Gingiva, Metastasis, Squamous cell carcinoma.

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