Regression in cutaneous melanoma: A comprehensive review from diagnosis to prognosis

S. Ribero, E. Moscarella, G. Ferrara, S. Piana, G. Argenziano, C. Longo

Research output: Contribution to journalArticle

Abstract

Histological regression in primary cutaneous melanoma occurs in 10-35% of cases. Although a large body of literature exists to suggest that histological regression serves very little purpose in predicting biologic behaviour with melanoma, recognizing the presence of regression at clinical and histological ground may still retain some value in grading melanoma aggressiveness. In the current review, a comprehensive overview of the main aspects of regression will be provided. Histologically, many classifications have been reported so far, but all of them only agreed on the presence of an infiltrate of lymphocytes admixed with pigment-laden macrophages underlying an atrophic epidermis with flattened rete ridges. Upon dermoscopy, regression is also named Blue White Scar-like areas and could be variably admixed with granularity or peppering. Almost fully regressed lesions represent a main diagnostic issue in dermoscopy, and thus, confocal microscopy can be of help to identify whether the tumour is melanocytic or not. The clinical utility of regression as a prognostic factor has been challenged recently. Nowadays, evidences showed that it is less likely associated to SLN metastases. Journal of the European Academy of Dermatology and Venereology

Original languageEnglish
Pages (from-to)2030-37
Number of pages8
JournalJournal of the European Academy of Dermatology and Venereology
Volume30
Issue number12
DOIs
Publication statusPublished - Dec 1 2016

ASJC Scopus subject areas

  • Dermatology
  • Infectious Diseases

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