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CASE DESCRIPTION A 16-year-old female hawk-headed parrot (Deroptyus accipitrinus) was evaluated because of beak trauma and difficulty eating.

CLINICAL FINDINGS Physical examination revealed a lateral tissue protrusion in the left half of the oropharyngeal cavity ventral to the proximal aspect of the maxillary tomium as well as a small bony prominence on the left jugal arch. Range of motion of the beak appeared normal. A CT scan of the skull revealed rostroventral displacement of the left palatine bone from the maxilla and left lateral subluxation and lateral luxation of the pterygoid-parasphenoid-palatine complex and pterygoid-palatine articulation, respectively; and transverse fractures of the ipsilateral pterygoid bone, jugal arch, and palatine bone.

TREATMENT AND OUTCOME Palatine bone displacement was reduced, and surgical fixation was achieved with an interfragmentary wire inserted through the rostral aspect of the affected palatine bone, maxilla, and rhinotheca. The lateral aspect of the wire was covered with dental acrylic. The wire was removed 2 weeks later owing to concerns over local vascular compromise and potential for infection. The bird started eating pelleted food approximately 3 months after surgery; full return of apparently normal beak function was regained by 10 months after surgery.

CLINICAL RELEVANCE To the authors’ knowledge, the described beak trauma and surgical approach have not previously been reported for Psittaciformes. Use of CT imaging was invaluable in diagnosing multiple traumatic bone abnormalities and planning surgical correction.

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in Journal of the American Veterinary Medical Association