Aural Hematoma Secondary to Hemangiosarcoma in a Domestic Cat—Case Report
2020
Borges, Olivia Maria Moreira | Noronha deToledo, Gabriela | Carneiro, Rosileide Santos | Henrique, Fernanda Vieira | Ferreira, Jefferson da Silva | Dantas, Antônio Flávio Medeiros | de Souza, Almir Pereira
A 7-year-old, white, domestic short hair, female cat was presented with an aural hematoma of the right pinna, which had been partially resected a year previously. A 3 × 4 cm mass, macroscopically similar to an auricular hematoma, was visible on the convex surface and a smaller vascular lesion was present on the ear margin. Cytological examination of the smaller mass was suggestive of hemangiosarcoma, and a diagnosis confirmed by histopathologic and immunohistochemical tests. Complete pinnectomy with a wide margin was performed and during the 3-year follow-up, the cat had no local recurrence or metastasis. We conclude that hemangiosarcoma should be considered as a potential differential diagnosis in white-coated cats with an unusual clinical presentation of aural hematoma.
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