Pigmented spindle cell naevus.
case_series · Level IV
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- Record sourced from PubMed, PMID 2265091.
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Abstract
We report 22 cases of pigmented spindle cell naevus (PSCN). The usual appearance of these naevi is that of a heavily pigmented papule found mostly on the legs of young patients. Histologically, PSCN was characterized by symmetrical proliferation of spindle-shaped pigmented melanocytes grouped in large junctional nests. Pagetoid spread of single cells in the overlying epidermis was frequently found. In our opinion, PSCN is a distinctive benign acquired melanocytic naevus that in the past has been frequently misdiagnosed as atypical Spitz naevi or malignant melanoma.
Medical subject headings
- Nevus, Pigmented
- Skin Neoplasms