Tumoral chromoblastomycosis: a rare manifestation with typical complementary exams.

Chromoblastomycosis is a chronic subcutaneous fungal infection caused by traumatic implantation of dematiaceous fungi in the skin. The clinical presentation is usually a verrucous plaque lesion and the diagnosis is confirmed by the visualization of muriform bodies at direct examination or at the histologic study. This report describes a rare case of tumoral chromoblastomycosis confirmed by histologic study and whose agent was identified by culture and micromorphology.

Evaluation of the permanence of skin sensitization to allergens in patients with allergic contact dermatitis.

Background: Background: Patch tests are an efficient method to confirm the etiological diagnosis of allergic contact dermatitis.

Objectives: 1) To determine the permanence of results between two tests performed with an interval of at least one year, in patients with allergic contact dermatitis; 2) To compare the positive results according to rates of intensity; 3) To evaluate the permanence of sensitization according to each substance that was tested.

Methods: Patients with previous diagnosis of allergic contact dermatitis, confirmed by patch tests carried out between the years 2005 and 2008, underwent new testing, using the same methodology, and data was compared.