Apocrine hidrocystomas are benign cystic lesions derived from the sweat glands of Moll and seldom found in the orbit. The authors present a case of a 41-year-old healthy man, with no prior medical history, referred for a painless enlarging mass, medial to his right upper eyelid for the past 3 months. Computed tomography showed a well-defined cystic lesion localized in the supero-medial anterior orbit. Following complete excision of the lesion, histopathology revealed an apocrine hidrocystoma. Although rare, apocrine hidrocystomas should be considered in the differential diagnosis for cystic mass of the orbit at any age group.
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