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Dermoscopy of Pitted Keratolysis.
Case Rep Dermatol. 2010 Aug 19;2(2):146-148
Authors: Lockwood LL, Gehrke S, Navarini AA
Abstract
Irritated hyperhidrotic soles with multiple small pits are pathognomonic for pitted keratolysis (PK). Here we show the dermatoscopic view of typical pits that can ensure the diagnosis. PK is a plantar infection caused by Gram-positive bacteria, particularly Corynebacterium. Increases in skin surface pH, hyperhidrosis, and prolonged occlusion allow these bacteria to proliferate. The diagnosis is fundamentally clinical and treatment generally consists of a combination of hygienic measures, correcting plantar hyperhidrosis and topical antimicrobials.
PMID: 21076687 [PubMed – as supplied by publisher]