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Histopathological and immunohistochemical studies of apocrine sweat gland adenocarcinomas in cats


Correspondence address:

M. Haligur, DVM, PhD

Department of Pathology

Faculty of Veterinary


University of Mehmet Akif


Istiklal Yerleskesi, 15030

Burdur, Turkey



Seven adenocarcinomas of apocrine sweat glands among the 67cutaneous tumours of cats were evaluated between 1980 and 2005. Histopathologically, three tumours were solid, tubular, tubular-ductal, tubular-cystic and papillar-cystic types were also diagnosed each one. Cuboidal and squamous epithelial cells surrounding the cystic lumina and their papillar extensions into the cyst lumens were evident in almost all tumour types. Besides, fibrovascular stroma which surrounding neoplastic foci showed proliferation and stromal invasion. Immunohistochemical features of these tumours were examined with pan-cytokeratin, vimentin and carcinoembryonic antigen.