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Subungual keratoacanthoma in the hand
The Journal of Hand Surgery
|January 1, 1989
Summary
A subungual keratoacanthoma, a benign but aggressive nail bed lesion, may require phalanx amputation for definitive treatment after recurrence. Conservative approaches like curettage are initial options for this rare hand condition.
Area of Science:
- Dermatology
- Oncology
Background:
- Subungual keratoacanthoma is a rare benign neoplasm occurring under the fingernail.
- This case report details a subungual keratoacanthoma of the thumb with a 5-year follow-up.
Observation:
- Initial treatment with curettage resulted in recurrence of the subungual keratoacanthoma.
- The lesion's aggressive nature necessitated further intervention.
Findings:
- Amputation of the terminal phalanx was required as definitive treatment following recurrence.
- A review of 22 reported cases of subungual keratoacanthoma of the hand was performed.
Implications:
- While conservative treatment (excision and curettage) is recommended initially, subungual keratoacanthoma can be aggressive.
- Amputation of the affected phalanx may be necessary for complete resolution of this nail bed lesion.