An unusual presentation of an epidermoid inclusion cyst of the finger misdiagnosed as a lipoma

Abstract

Epidermoid cyst is a developmental cyst filled with keratinous material and lined by stratified squamous epithelium similarto the skin. They usually present cutaneously in the back and neck. Their etiology is unknown and has been linked directlyto trauma. We report a similarly rare occurrence of an epidermoid cyst in the finger of a 25-year-old male. We report an unusualpresentation of an epidermoid inclusion cyst of the fourth finger in a 25-year-old man. The patient was misdiagnosedas a lipoma of the finger initially. The patient was successfully treated by excision and biopsy after preliminary radiographs.Epidermoid inclusion cyst of the finger is rare. This condition presents a diagnostic challenge due to the absence of consistentsymptoms and triggering factors. The recurrence rate of these lesions is low.