Abstract
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.
Highlights
Proliferative cutaneous lesions are frequently found in the examination of birds
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
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
Summary
Cutaneous neoplasms have been observed in many species comparatively, little is known about the incidence of neoplasms of cutaneous location in wild species when compared to those of production or pet birds (FRASCA JR et al, 1999; FILIPPICH, 2004; GODOY et al, 2009). Papillomas are frequently described in birds, reptiles and mammals. Among the birds, they are common in parrots and can occur in several locations in these animals (GODOY et al, 2009; SIQUEIRA, 2011). The objective of this paper was to describe an eyelid neoplasm in a wild species, as the veterinary literature has little information regarding the aspects of clinic and oncological pathology in these animals
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