Dermoscopy of a plantar combined blue nevus: A simulator of melanoma

V. Panasiti, V. Devirgiliis, R. G. Borroni, M. Mancini, M. Rossi, M. Curzio, B. Mastrecchia, U. Bottoni, D. Innocenzi, S. Calvieri

Research output: Contribution to journalArticlepeer-review


Dermoscopy allows early detection of melanoma also on acral volar skin. The majority of melanocytic nevi on palms and soles may show three major dermoscopic patterns: the parallel-furrow pattern, the lattice-like pattern, and the fibrillar pattern. Melanomas at these sites are characterized by the parallel ridge pattern. We present the case of a 59-year-old woman who had an oval papule of bluish color, measuring 0.6 × 0.9 cm, localized on her left sole, that had been present, unchanged, for more than 10 years. Dermoscopy showed a parallel ridge pattern. The histopathological examination revealed a combined blue nevus. We present this case to underline that on acral volar skin also intradermal nevi, such as combined blue nevi, may dermoscopically exhibit a parallel ridge pattern, simulating melanoma.

Original languageEnglish
Pages (from-to)174-176
Number of pages3
Issue number2
Publication statusPublished - Mar 2007


  • Acral volar skin
  • Blue nevus, combined
  • Dermoscopy
  • Parallel ridge pattern

ASJC Scopus subject areas

  • Dermatology


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