Pine tar callus: A mimicker of a melanocytic lesion

Marie Donaldson*, Sarah L. Chamlin, Karina L. Vivar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We report a case of acral pigmented lesions due to pine tar, a common compound used on baseball bats to improve grip, deposition. The patient presented with an acute concern for a new melanocytic lesion, and dermoscopy revealed large brown globules, not typical of melanocytic neoplasms. We propose that the coupling of dermoscopy and a thorough clinical history of exogenous exposures in similar clinical presentations can provide reassurance in evaluating atypical appearing pigmented lesions.

Original languageEnglish (US)
Pages (from-to)379-380
Number of pages2
JournalPediatric dermatology
Issue number3
StatePublished - May 1 2019


  • neoplasms—benign
  • nevi—melanocytic

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Dermatology


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