Pigmented onychomatricoma: A rare pigmented nail unit tumor presenting as longitudinal melanonychia that has potential for misdiagnosis as melanoma

Jacob Wynes, Karolyn A. Wanat, Auris Huen, Alan J. Mlodzienski, Adam I. Rubin

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Pigmented onychomatricoma is a rare nail unit tumor that can clinically mimic nail unit melanoma. We report the case of a 63-year-old male with new-onset longitudinal melanonychia involving his right second toe. An excisional biopsy was performed and demonstrated pigmented onychomatricoma. We present this case to alert clinicians of this rare nail unit tumor and the importance of clinicopathologic correlation to avoid misdiagnosis.

Original languageEnglish (US)
Pages (from-to)723-725
Number of pages3
JournalJournal of Foot and Ankle Surgery
Volume54
Issue number4
DOIs
StatePublished - Jul 1 2015
Externally publishedYes

Keywords

  • Biopsy
  • Melanoma
  • Nail
  • Onychomatricoma
  • Tumor

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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