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1 December 2000 Magnetic Resonance Imaging in Psittacine Birds with Chronic Sinusitis
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Abstract

Ten psittacine birds (3 African grey parrots [Psittacus erithacus], 3 blue and gold macaws [Ara ararauna], 2 scarlet macaws [Ara macao], a harlequin macaw [Ara ararauna × macao], and a yellow-naped Amazon parrot [Amazona ochrocephala auropalliata]) with histories of chronic sinusitis were referred for evaluation before possible surgical therapy. The duration of clinical signs in these birds ranged from 8 months to 11 years, and response to conventional medical therapy had been poor. Diagnostic procedures performed in each bird included a physical examination, complete blood count, plasma biochemical analysis, survey whole body and skull radiographs, and skull magnetic resonance imaging. In 7 of the 10 birds, a discrete lesion was localized by using magnetic resonance imaging. Six of these 7 birds had surgery performed to remove the lesion. Four granulomas, a mucocele, and a polyp were diagnosed by histopathologic examination. The chronic sinusitis resolved after surgery in 5 birds. Magnetic resonance imaging proved to be an excellent diagnostic tool for examining the avian infraorbital sinus, allowing identification, localization, and characterization of lesions within the sinuses.

GEOFFREY W. PYE, R. AVERY BENNETT, SUSAN M. NEWELL, JONATHAN KINDRED, and RICK JOHNS "Magnetic Resonance Imaging in Psittacine Birds with Chronic Sinusitis," Journal of Avian Medicine and Surgery 14(4), 243-256, (1 December 2000). https://doi.org/10.1647/1082-6742(2000)014[0243:MRIIPB]2.0.CO;2
Published: 1 December 2000
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