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Infraorbital Keratin Cyst in an Umbrella Cockatoo (Cacatua alba)
- Turner, Rachel C., Graham, Jennifer E., Hahn, Shelley, Mariano, Abigail, McCarthy, Robert
- Journal of avian medicine and surgery 2019 v.33 no.2 pp. 150-154
- Cacatua, beak, birds, computed tomography, cysts (pathology), females, histopathology, keratin
- A 10-year-old, female umbrella cockatoo (Cacatua alba) was presented for evaluation of a mass at the right commissure of the beak, with associated right periorbital swelling. A feather cyst was suspected, based on history and the results of a computed tomography scan and fine-needle aspirate. The cyst was surgically debrided and removed. Histopathologic results confirmed an infraorbital keratin cyst, most likely originating from a feather follicle. To our knowledge, this is the first reported case of a periorbital keratin cyst in a bird.