Indian J Med Microbiol 2014 Jan-Mar;32(1):86-8
Department of Microbiology, Shrirama Chandra Bhanj Medical College and Hospital, Cuttack, Odisha, India.
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J Dermatol 2015 May 13;42(5):518-20. Epub 2015 Mar 13.
Noguchi Dermatology Clinic, Kumamoto, Japan; Department of Immunology, Allergy & Vascular Biology, Kumamoto University, Kumamoto, Japan.
An 18-year-old healthy female student noticed a brown macule measuring 21 mm in diameter on the left palm and visited our clinic concerned about a cancerous mole. Dermoscopic examination revealed a brown, fine-dotted and granule-like structure overlapping an amorphous light brown macule. However, unlike previous cases, analysis of the high dynamic range-converted image revealed the parallel ridge pattern frequently observed in malignant melanomas. Read More
Am J Trop Med Hyg 2014 Jun;90(6):981
Department of Dermatology, University of Vale do Itajaí (Univali), Itajaí, SC, Brazil; Department of Pharmaceuticals-Biochemistry, University of Vale do Itajaí (Univali), Itajaí, SC, Brazil; Department of Dermatology, Botucatu School of Medical, Universidade Estadual Paulista "Júlio de Mesquita Filho"-São Paulo, State University (FMBUNESP), Vital Brazil Hospital, Butantan Institute, São Paulo, SP, Brazil.
A 7-year-old Caucasian female resident of the southern coast of Brazil presented dark spots on the left palm that converged to a unique macule with speckled pattern at about 1 month. The mycological exam and the fungi culture were typical of Hortaea werneckii, the agent of the superficial mycosis Tinea nigra. The patient received butenafine hydrochloride 1% for 30 days, resulting in a complete remission of the lesion. 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 2014 Mar-Apr;89(2):334-6
Federal University of Pelotas, Pelotas, RS, Brazil.
Tinea nigra is a rare superficial mycosis caused by Hortaea werneckii. This infection presents as asymptomatic brown to black maculae mostly in palmo-plantar regions. We performed scanning electron microscopy of a superficial shaving of a tinea nigra lesion. Read More