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A pink papule on the back of an 82-year-old man: an example of the buttonhole sign on reflectance confocal microscopy.
Que SK, Fraga-Braghiroli N, Grant-Kels JM, Rabinovitz HS, Oliviero M, Scope A. Dermatol Pract Concept. 2016 Jul 31;6(3):1-2. doi: 10.5826/dpc.0603a01.
ABSTRACT
[No abstract available]
PMID:27648375 PMCID:PMC5006544
DOI:10.5826/dpc.0603a01