What is nodular melanoma?

Updated: Jun 28, 2021
  • Author: Jonathan B Heistein, MD; Chief Editor: Gregory Gary Caputy, MD, PhD, FICS  more...
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Histology of nodular melanomas is characterized by extensive vertical growth into the dermis with a minimal radial component. They comprise approximately 15-30% of melanoma diagnoses. These tumors typically are blue-black but may lack pigment in some circumstances. They are known to arise without a preexisting lesion.

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