Peer-reviewed veterinary case report
Swelling behind eye caused by muscle tumor in peregrine falcon
By Freundt Coello, Michelle J & Schaeffer, Lee S·Published in Veterinary ophthalmology·2014·Sol de la Molina·View original on PubMed →
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Original publication title: Retrobulbar rhabdomyosarcoma in a neotropical peregrine falcon (Falco peregrinus cassini).
Plain-English summary
A captive adult peregrine falcon was found to have a mild swelling around its left eye during a routine check-up. Despite treatment, the swelling worsened over 25 days, leading to the eye bulging out and turning inward. A biopsy revealed that the falcon had a type of cancer called rhabdomyosarcoma, which is a tumor in the muscle tissue behind the eye. Unfortunately, the falcon's condition required further medical intervention due to the aggressive nature of the tumor.
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Abstract
A mild swelling of the left periorbital was detected on a routine physical exam of a healthy captive adult peregrine falcon. Despite treatment, the swelling did not subside and within twenty-five days was causing significant exophthalmia and medial deviation of the left globe. A retrobulbar fusiform cell sarcoma was diagnosed with histopathology, then light microscopy and immunohistochemical staining confirmed the diagnosis of a rhabdomyosarcoma.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23738770/