Anorectal malignant melanoma, a diagnostic challenge

Rev Esp Enferm Dig. 2023 Mar;115(3):150. doi: 10.17235/reed.2022.9068/2022.

Abstract

Malignant anorectal melanoma is an extremely rare cause of rectal neoplasia, accounting for less than 1% of all melanomas and about 4% of all malignant colorectal neoplasms. We present the endoscopic and pathological images of a case in our clinical practice.

MeSH terms

  • Anus Neoplasms* / diagnostic imaging
  • Anus Neoplasms* / pathology
  • Humans
  • Melanoma* / diagnostic imaging
  • Melanoma* / pathology
  • Melanoma, Cutaneous Malignant
  • Rectal Neoplasms* / diagnostic imaging
  • Rectal Neoplasms* / pathology
  • Skin Neoplasms*