Intraosseous epidermal inclusion cyst of the right ring finger for 40 years

Introduction. Intraosseous epidermal inclusion cysts (IEpC) are benign bone lesions lined with squamous epithelium. Finger phalanges are the second most common site of predilection after skull. Case Report. We present a case of a typical IEpC at the distal phalanx of the right ring finger following a remote history of crush injury to the finger. The patient underwent distal phalanx amputation of the right ring finger. At follow-up 2 years later, the stump healed well and without recurrence. Conclusion. IEpC with a history of up to 40 years is very rare, and although the patient presents with a typical „clubbing finger‟, the diagnosis was eventually confirmed by surgery and pathology.

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