A case of Tinea nigra associated to a bite from a European rabbit (Oryctolagus cuniculus, Leporidae): the role of dermoscopy in diagnosis

We report a case of Tinea nigra in an adolescent living in Itapema, Santa Catarina, Brazil, who presented a hyperchromic macule on the palm of the left hand, close to another erythematous macule caused by a rabbit bite. The patient received guidance on accidents and animal bites and evolved well treated with topical butenafine for the dermatomycosis. The authors also highlight the efficacy of the dermoscopic exam in diagnosing Tinea nigra with animal bite lesions and other traumas.

Tinea nigra nas formas geográficas em "coração" e "bico do papagaio" / Tinea nigra in geographical forms of "heart" and "parrot beak"

Através de ensaios fotográficos foram evidenciadas semelhanças entre máculas hipercrômicas de dois casos de Tinea nigra com imagens do manguezal denominado "Coeur de Voh", localizado na Ilha Francesa da Nova Caledônia (Oceania) e com a formação rochosa, denominada "Bico do Papagaio", localizada na Praia de Cabeçudas, Itajaí, Estado de Santa Catarina (Brasil).

Through a photographic essay, we identified similarities between hyperchromic maculas of two cases of Tinea Nigra with images of a heart-shaped mangrove called "Coeur de Voh", located on the French island of New Caledonia (Oceania) and of a rock formation called "Parrot Beak" located on Cabeçudas Beach, Itajaí, Santa Catarina State (Brazil).

Feo-hifomicose subcutânea por Exophiala jeanselmei localizada na bolsa escrotal: relato de caso / Subcutaneous phaeohyphomycosis on the scrotum caused by Exophiala jeanselmei: case report

A feo-hifomicose subcutânea é uma doença causada por fungos demáceos que acomete principalmente indivíduos imunocomprometidos e geralmente cursa com lesões localizadas nos membros inferiores. Os autores relatam um caso de feo-hifomicose subcutânea em um paciente imunocompetente, com localização atípica - na hemibolsa escrotal esquerda -, tratado com sucesso com fluconazol sistêmico associado à excisão cirúrgica.

Subcutaneous phaeohyphomycosis is a disease caused by dematiaceous fungi that develops mainly in immunocompromised patients. Lesions are generally located on the lower limbs. The present report describes a case of phaeohyphomycosis in an immunocompetent patient in whom a subcutaneous abscess was located in an unusual site, on the left hemiscrotum. The abscess was treated successfully with oral fluconazole associated with surgical excision.

Tinea capitis em adulto por Trichophyton violaceum no Brasil: relato de um caso e revisão da literatura / Tinea capitis in adult caused by Trichophyton violaceum in Brazil: report of case and review of literature

Tinea capitis, tinha do couro cabeludo, é dermatofitose causada por fungos dos gêneros Trichophyton e Microsporum. Apresenta várias formas clínicas e é quase exclusiva de crianças. Raramente acomete adulto. Relata-se um caso de tinea capitis por T. violaceum em mulher com 65 anos de idade e comentam-se os aspectos nosográficos dessa dermatofitose no Brasil.

Tinea capitis, a scalp ringworm, is a dermatophytosis caused by fungus of the gender Trichophyton and Microsporum. It presents various clinical forms and is almost exclusive of children. It rarely affects an adult. A case of tinea capitis is reported in a 65-year-old woman and the nosographic aspects on this dermatophytosis in Brazil are commented.