Oncocytomas of the caruncle are rare tumours, found in 3–8% of caruncle excision biopsies.1 They occur most commonly in elderly women. Clinically, these tumours tend to present as a slow-growing, asymptomatic mass that is often tan red in colour.2 Treatment is by complete surgical excision and recurrence is unusual, although very rare malignant oncocytomas occurring in the ocular adnexae have been reported,3 and there has been a case of persistent rhinorrhea caused by an oncocytoma occurring in the lacrimal sac with extension into the nasolacrimal duct.4

Case reports

A 38-year-old woman presented with a two-year history of a slowly enlarging cystic lesion of …