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An. bras. dermatol ; 95(5): 638-640, Sept.-Oct. 2020. graf
Article in English | LILACS, ColecionaSUS | ID: biblio-1130938


Abstract Scabies is an ectoparasitosis caused by Sarcoptes scabiei var. hominis, characterized clinically by pruritic lesions in typical locations; the crusted form is a rare manifestation. The diagnosis is usually established based on the clinical picture, but dermoscopy can be an important complementary method, as it allows the observation of a brownish triangular structure with a hang-glider appearance. A case of crusted scabies is reported; the magnification of the images obtained by digital dermoscopy allowed the demonstration of a structure usually observed only with videodermoscopy.

Humans , Animals , Scabies/diagnosis , Sarcoptes scabiei , Dermoscopy
An. bras. dermatol ; 95(4): 521-523, July-Aug. 2020. graf
Article in English | LILACS, ColecionaSUS | ID: biblio-1130919


Abstract Chromoblastomycosis is a subcutaneous mycosis with chronic evolution that mainly affects the lower limbs and, less frequently, the auricles. Clinically, it presents with papillary verrucous, nodular, and/or tumoral lesions, whether isolated or infiltrated, forming plaques and, sometimes, atrophic in some areas. Histopathologically, it is characterized by a dermal granulomatous inflammatory infiltrate, and the diagnosis can be confirmed by the presence of fumagoid bodies in anatomopathological or direct mycological exams. The treatment to be indicated will depend on the extent and location of the lesions, using systemic antifungals, surgical removal, cryotherapy, thermotherapy, and immunoadjuvants. The present study reports an atypical presentation of chromoblastomycosis on the auricle.

Humans , Male , Chromoblastomycosis , Ear Auricle , Itraconazole , Ear, External , Middle Aged , Antifungal Agents
An. bras. dermatol ; 95(3): 351-354, May-June 2020. graf
Article in English | LILACS, ColecionaSUS | ID: biblio-1130885


Abstract Secondary osteoma cutis is a phenomenon that may occur in several conditions. When it occurs in a melanocytic nevus it is named osteonevus of Nanta, an event considered uncommon and characterized by the presence of bone formation adjacent or interposed with melanocytic cells. There are reports of its occurrence in various melanocytic lesions, being more frequently associated with intradermal nevus. We report a case of osteonevus of Nanta in combined nevus, possibly the first description of this association.

Humans , Female , Adult , Scalp Dermatoses/pathology , Skin Diseases, Genetic/pathology , Skin Neoplasms/pathology , Bone Diseases, Metabolic/pathology , Ossification, Heterotopic/pathology , Nevus, Intradermal/pathology , Nevus, Pigmented/pathology , Scalp Dermatoses/surgery , Skin Diseases, Genetic/surgery , Skin Neoplasms/surgery , Bone Diseases, Metabolic/surgery , Immunohistochemistry , Ossification, Heterotopic/surgery , Nevus, Intradermal/surgery , Melanocytes/pathology , Nevus, Pigmented/surgery