Osteofibrous Dysplasia in a Cockatiel (Nymphicus hollandicus)
2020
Razmyar, Jamshid | Yousefzadeh, Ali | Dezfoulian, Omid | Peighambari, Seyed Mostafa
Osteofibrous dysplasia is a rare and benign nonneoplastic condition of unknown etiology in humans and mammals. An adult female cockatiel (Nymphicus hollandicus) was presented with the following problems: a soft tissue mass on the left frontal area of the head that extended over the left eye, anorexia, lethargy, and emaciation. Computed tomographic imaging and ultrasonography revealed a soft tissue opacity in the left cranial area of the head with multifocal heterogeneous opacities and foci of mineralization. Cytological, histopathological, and immunohistochemistry examinations were performed on biopsy samples from tissue collected from the mass. Following surgical removal of the cranial mass the patient was treated with a nonsteroidal anti-inflammatory drug and antibiotic medication. The surgical site healed with no complications and through follow-up examinations there were no signs of reoccurrence of the abnormal tissue for 2 months. Through cytological and histopathological examination and immunohistochemistry testing of the submitted tissue, a diagnosis of osteofibrous dysplasia was determined.
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