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Histopathological Diagnosis Of Eyelid Tumor In Moustached Wren (Pheugopedius Genibarbis Swainson, 1838) (Passeriforme, Troglodytidae). A Case Report

Santos, Francisco Glauco de Araújo; Ribeiro, Vânia Maria França; Carvalho, Yuri Karaccas; Souza, Vanessa Lima de; Guilherme, Edson.
Acta Vet. bras.; 11(4): 187-190, Dec. 2017. ilus
Artigo em Inglês | VETINDEX | ID: vti-15905


The aim of this work was to describe an eyelid neoplasm in wild birds, since the veterinary literature has little information concerning the aspects of the oncologic clinic in wild species. In the clinical exam, it was observed a single mass in the upper right eyelid of the Pheugopedius genibarbis a, with rough surface, cauliflower aspect, of dark-red coloration . For the histopathological diagnosis, an incisional biopsy of the lesion was done , with the fragment fixed in 10% buffered neutral formalin, processed by the method of inclusion in paraffin , cut to 4µm sections and stained with H&E . The histopathological findings revealed elongated dermal papillae covered by acanthotic epidermis, as well as thickness of the stratum spinosum . In the stratum spinosum, it was observed the presence of cells with vacuolated cytoplasm and nucleus slightly dislocated to the center of the cell, which increases in proportion when closer to the granular layer, an indication of hydropic degeneration , there were In the basal layer it is possible to notice the presence of the normal mitotic figures.. Based on the macro and microscopic characteristics, that neoplasm was diagnosed as an eyelid papilloma.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1