Immunohistochemical characterization of a malignant intraocular teratoid medulloepithelioma in a cockatiel

• Published in: Veterinary ophthalmology Vol. 8; no. 1; pp. 59 - 65
• Main Authors: Bras, I.D, Gemensky-Metzler, A.J, Kusewitt, D.F, Colitz, C.M.H, Wilkie, D.A
• Format: Journal Article
• Language: English
• Published: Oxford, UK Blackwell Science Ltd 2005
• Subjects: animal injuries; Animals; bird diseases; Bird Diseases - diagnosis; Bird Diseases - pathology; case studies; cockatiel; cockatiels; Cockatoos; Diagnosis, Differential; disease diagnosis; epithelial cells; eye; eye diseases; Eye Neoplasms - diagnosis; Eye Neoplasms - veterinary; immunohistochemistry; Immunohistochemistry - veterinary; lungs; medulloepithelioma; metastasis; neoplasms; Neuroectodermal Tumors, Primitive - diagnosis; Neuroectodermal Tumors, Primitive - veterinary; parrots; surgery
• ISSN: 1463-5216; 1463-5224
• DOI: 10.1111/j.1463-5224.2005.04043.x

A 3-year-old cockatiel was presented for evaluation of a buphthalmic right eye (OD). The history included a traumatic event 5 months prior to presentation, and the referring veterinarian diagnosed cataract and secondary glaucoma. Computed tomography of the bird's orbital region revealed a large right orbital soft tissue mass that extended lateral to the orbital rim with obliteration of the globe without bone involvement. There was also no evidence of metastatic disease within the lungs or any abnormalities within the celomic cavity, therefore enucleation was recommended to achieve a histopathologic diagnosis and prognosis, and to palliate the clinical signs. Final diagnosis was malignant intraocular teratoid medulloepithelioma.