Peer-reviewed veterinary case report
Cat with swollen eye muscles and eye removal after steroid treatment
By Lee, Hao et al.·Published in Veterinary medicine and science·2022·Institute of Veterinary Clinical Sciences·View original on PubMed →
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Original publication title: Features of ophthalmic, magnetic resonance imaging, and histopathology of a feline case of idiopathic sclerosing orbital pseudotumor.
- Species:
- cat
Plain-English summary
An 11-year-old male American Shorthair cat was brought in with a droopy eyelid and difficulty moving his right eye. MRI scans showed swelling of the muscles around the right eye, and the vet started treatment with a steroid called prednisolone, which helped a bit but not completely. Eventually, the cat had to have his right eye removed because the steroid treatment wasn't effective enough and caused side effects. Tests showed that there was no cancer or infection, but the exact cause of the eye problem remained unknown.
People also search for: cat droopy eyelid treatment · American Shorthair eye problems · cat eye surgery recovery
Abstract
In the present report, we describe a case of sclerosing orbital pseudotumor in an 11-year-old castrated male American Shorthair cat. Ophthalmic exam showed lagophthalmos, retracted right upper eyelid, and resistant to retropulsion in his right eye. Under magnetic resonance imaging (MRI) scans, increased volume of the extraocular muscles (EOMs) of the right eye was prominent. Immunosuppressive dosage of prednisolone partially ameliorated the clinical signs, but some clinical signs were still gradually progressive or persistent. In the second MRI scan, decreased diameter of the thickened right extraocular muscles was found. After the third MRI scan, enucleation of the right eye was performed due to substantial adverse effects of systemic steroid therapy. Histopathological examination revealed no evidence of neoplastic transformation nor infection. Feline restrictive orbital myofibroblastic sarcoma (FROMS) was therefore excluded, suggesting unknown causes of extensive fibrotic changes in the right orbit of the affected cat.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35506154/