Australas J Dermatol 2011 Aug 23;52(3):191-4. Epub 2011 Jun 23.
Department of Dermatology, Royal Brisbane and Women's Hospital, Brisbane, Australia.
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Dermatol Online J 2008 Aug 15;14(8):15. Epub 2008 Aug 15.
Universidade Federal Fluminense, Hospital Universitário Antônio Pedro, Serviço de Dermatologia, Niterói, Rio de janeiro, Brazil.
Tinea nigra is an asymptomatic superficial fungal infection caused by Phaeoannelomyces werneckii, generally affecting the skin of the palms and characterized by deeply pigmented macular non-scaly patches. These lesions are quite characteristic. However, they can be misdiagnosed as a malignant melanoma or a junctional melanocytic nevus and unnecessary biopsies may be performed. Read More
Australas J Dermatol 2012 Feb;53(1):e14; author reply e15
Cutis 2001 Dec;68(6):377-80
Department of Dermatology, Brooke Army Medical Center, San Antonio, TX 78234, USA.
Tinea nigra is a relatively uncommon dermatiaceous fungal infection, usually caused by Phaeoannellomyces werneckii, that may mimic a melanocytic lesion. We describe the value of epiluminescent dermoscopy of tinea nigra plantaris compared with other common diagnostic tools and procedures available (clinical appearance, potassium hydroxide [KOH], culture, culture mount preparation, and biopsy). A case of tinea nigra plantaris was evaluated clinically, microscopically with KOH, and dermatoscopically. Read More
An Bras Dermatol 2013 Jan-Feb;88(1):128-9
State of São Paulo Cancer Institute, Faculty of Medicine, University of São Paulo (ICESP - FMUSP), São Paulo, SP, Brazil.
Dermoscopy has being used over the past twenty years as a noninvasive aid in the diagnosis of innumerable skin conditions, including infectious diseases and infestations (Entodermoscopy).Tinea nigra is a superficial phaeohyfomycosis that affects mainly the glabrous skin of palms and soles. We describe a 14 year-old girl with a three-month history of an enlarging brown patch of her hand diagnosed as Tinea Nigra following clinical and dermoscopy examination. Read More