Dermatol Online J 2007 Jul 13;13(3):25. Epub 2007 Jul 13.
Federal University of Pelotas, Brazil.
Pediatr Dermatol 2003 Jul-Aug;20(4):315-7
Complexo Hospitalar Padre Bento de Guarulhos, São Paulo, Brazil.
Tinea nigra, a relatively uncommon mycosis caused by Phaeoannelomyces werneckii, is typically seen as an asymptomatic brown or black macule on the hands and feet. We present two cases of tinea nigra in children in São Paulo, Brazil, and alert readers to the potential for confusion with melanocytic lesions. Read More
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
J Dermatol 2006 Jan;33(1):23-9
Department of Dermatology, Ryukyu University School of Medicine, Okinawa, Japan.
We report a case of tinea nigra on the left palm of a 13-year-old girl. She had noticed a pigmented, asymptomatic macule on the left palm approximately 4-5 years prior to her first visit to our hospital. The color of the lesion tended to change before and after a bath; it became lighter after a bath and darkened some time later. Read More
An Bras Dermatol 2012 Jan-Feb;87(1):160-2
Vale do Itajai University, Itajai, SC, Brazil.
The authors report a case (in Itajai, Santa Catarina State, Brazil) of tinea nigra in a 4-year-old female child which spontaneously healed. We discuss the clinical and epidemiological aspects of the mycosis and this rare case of spontaneous healing. Read More