Orbital epidermoid cyst

Last revised by Ashesh Ishwarlal Ranchod on 26 Jun 2023

Orbital epidermoid cysts are a rare cause of an orbital mass

Patients most commonly present with a mass and lid swelling 1

Orbital epidermoid cysts can be congenital, acquired (e.g. post-surgery, trauma), or lacrimal gland duct obstruction 3. They can be associated with a bone defect and when involving the skull base intracranial extension is possible 1

Most commonly, they affect the eyelid (i.e. periorbital) but can also occur in the orbit proper 3

See main article: epidermoid cyst.

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