Orbital epidermoid cyst
Orbital epidermoid cysts are a rare cause of an orbital mass.
Clinical presentation
Patients most commonly present with a mass and lid swelling .
Pathology
Orbital epidermoid cysts can be congenital, acquired (e.g. post-surgery, trauma), or lacrimal gland duct obstruction . They can be associated with a bone defect and when involving the skull base intracranial extension is possible .
Most commonly, they affect the eyelid (i.e. periorbital) but can also occur in the orbit proper .
Radiographic features
See main article: epidermoid cyst.
Differential diagnosis
Siehe auch:
