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Peer-reviewed veterinary case report

Guinea pig eye tumor removed without eye loss surgery

By Induni, Patrik & Frei, Samuel·Published in Veterinary Record Case Reports·2025·Exoticus – Clinic for Exotic Pets and Zoo Animals Adliswil Switzerland·View original on Crossref

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Original publication title: Retrobulbar lipoma excision in a guinea pig ( Cavia porcellus ) through a ventral transpalpebral anterior orbitotomy

Species:
rodent

Plain-English summary

A 3-year-old female guinea pig was brought in because her right eye was bulging out more than normal. Imaging tests showed a fatty tumor behind the eye, which was pushing the eye forward. The veterinarian performed a special surgery to remove the tumor without having to take out the eye itself. After the surgery, the guinea pig recovered well and looked normal again within five days. The tumor was confirmed to be a lipoma, which is a benign fatty growth.

People also search for: guinea pig eye bulging · guinea pig surgery for eye problems · lipoma in guinea pig treatment

Abstract

Abstract This case report details the clinical investigation of a 3‐year‐old, entire, female guinea pig ( Cavia porcellus ) presenting with progressive exophthalmos of the right eye. Advanced imaging via computed tomography identified a hypoattenuating retrobulbar mass with a hyperattenuating peripheral ring, causing dorsolateral displacement of the globe. A ventral transpalpebral anterior orbitotomy was performed to excise the retrobulbar lesion without enucleation. Postoperative recovery was uneventful, with restoration of normal appearance within 5 days. Histopathological analysis confirmed the mass to be a lipoma. This case report highlights a successful surgical approach to a retrobulbar mass in a guinea pig, offering a globe‐sparing alternative in the management of space‐occupying orbital lesions in this species. However, this approach may not be suitable for firm or invasive orbital tumours such as carcinomas or sarcomas.

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Original publication on Crossref: https://doi.org/10.1002/vrc2.70260