Periódicos Brasileiros em Medicina Veterinária e Zootecnia

p. 429-432

Diffuse Iris Melanoma in a Cat

Pigatto, João Antonio TadeuHünning, Paula StievenAlmeida, Ana Carolina da Veiga Rodarte dePereira, Fabiana QuartieroFreitas, Luciana Vicente Rosa Paccico deGomes, CristianoSchiochet, FabianaRigon, Grazziane MacielDriemeier, David

Diffuse iris melanoma is rare, although is the most common primary intraocular neoplasm in cats, and is an unusual variant of anterior uveal melanoma. This neoplasm is malignant with high potential methastazed. Affects olders cats without breed or sex predisposition. The diagnosis can be made with fine needle aspiration cytology of anterior segment. The treatment is variable and depends of clinical signs evolution. The enucleation is commonly indicated when ocurred iridal pigment changes demonstrated as progressively increasing in size or number, or intractables uveitis or glaucoma. This work has for objectives to report a case of diffuse iris melanoma in a cat. Based on information available in the literature, this is the first case of diffuse iris melanoma in a cat documented in Brazil.(AU)

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