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Angiofibroma in a cockatiel (Nymphicus hollandicus)
G A Doss1, J L Miller2, H Steinberg2
1Department of Surgical Sciences, University of Wisconsin-Madison School of Veterinary Medicine, 2015 Linden Drive, Madison, WI, USA.
Journal of Comparative Pathology
|March 3, 2015
Summary
This study reports the first diagnosed case of avian angiofibroma in a cockatiel. This rare oral tumor, characterized by blood vessels and connective tissue, was previously only documented in dogs.
Area of Science:
- Veterinary Pathology
- Avian Medicine
- Neoplastic Disease
Background:
- Angiofibromas are rare tumors typically found in the human nasopharynx.
- In veterinary literature, angiofibromas have been exclusively described in canine patients.
- Microscopic features include vascular proliferation within a connective tissue stroma, often with edema and inflammation.
Observation:
- A cockatiel (Nymphicus hollandicus) presented with a distinct oral mass.
- The oral mass exhibited histological characteristics consistent with angiofibroma.
- This included aggregates of blood vessels within a connective tissue stroma, accompanied by edema and secondary inflammation.
Findings:
- This case represents the first documented instance of angiofibroma in an avian species.
- Oral tumors are infrequent in birds, making this diagnosis significant.
- The histological findings in the cockatiel align with descriptions of angiofibromas in other species.
Implications:
- This finding expands the known species affected by angiofibromas.
- It highlights the importance of considering angiofibroma in the differential diagnosis of oral masses in birds.
- Further research may elucidate the specific etiology and behavior of avian angiofibromas.
