Metastatic Cellular Blue Nevus: A Rare Case With Metastasis Beyond Regional Nodes

Justin Bui, Nima Mesbah Ardakani, Irene Tan, Andrew Crocker, Muhammad Adnan Khattak, Benjamin A. Wood

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study, we present a rare case of a 35-year-old man with a long-standing blue-black lesion on his left hand with subsequent infraclavicular and axillary lymph node tumor deposits. The hand lesion and lymph nodes were excised revealing histological, immunohistochemical, and molecular findings consistent with cellular blue nevus. Despite nonregional lymph node involvement, there has been no progression at 12-months follow-up. This is an index case of a cellular blue nevus with metastasis to both regional and nonregional lymph nodes. The lack of atypical/malignant features in this lesion makes the metastatic behavior extraordinary, and hence the prognosis of lesions of this type is indeterminate.

Original languageEnglish
Pages (from-to)618-621
Number of pages4
JournalAmerican Journal of Dermatopathology
Volume39
Issue number8
Early online date14 Feb 2017
DOIs
Publication statusPublished - Aug 2017

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