Syringocystadenoma papilliferum is a rare benign adnexal tumor that frequently shows apocrine differentiation. It usually develops on the scalp and is associated with a nevus sebaceus in 40% of cases. Although the clinical presentation may differ, its histology is characteristic. Reports have been made of dermoscopy used in cases of adnexal tumors such as eccrine poromas, hidradenomas and angiohistiocytomas; however, up to the present moment there have been no reports of dermoscopy in a case of syringocystadenoma. This paper describes the dermoscopic features found in a case of syringocystadenoma associated with a nevus sebaceus, revealing a polymorphous vascular pattern including a horseshoe-shaped arrangement of vessels. Keywords: Dermoscopy; Diagnosis; Evaluation; Neoplasms, adnexal and skin appendage; Skin neoplasms Resumo: O siringocistoadenoma papilífero é uma neoplasia anexial benigna rara, com frequente diferenciação apócrina. Localiza-se preferencialmente no couro cabeludo e está associado ao nevo sebáceo em 40% dos casos. Apesar da variabilidade clínica, a histologia é característica. Há relatos da dermatoscopia de tumores anexiais, como poroma écrino, hidradenoma e angio-histiocitoma; porém, até o momento, não há descrição da dermatoscopia do siringocistoadenoma. Apresentamos aspectos dermatoscópicos de um caso de siringocistoadenoma associado a nevo sebáceo, visualizando-se padrão vascular polimorfo e vasos em ferradura.
Abstract:Sporotrichosis is a suba cu te or chro nic myco sis cau sed by the dimor phic fun gus Sporothrix schenc kii which is ende mic in Brazil and is trans mit ted pri ma rily through trau ma tic ino cu la tion of its causa ti ve agent into the skin. The zoo no tic trans mis sion, espe cially from infec ted cats, has been demons trated in seve ral reports and case series. We pre sent simul ta neous occur ren ce of the disea se in three members of the same family by scrat ches from an infec ted domes tic cat. Two patients deve lo ped the lympho cuta neous form and one only deve lo ped the fixed cuta neous form. Two patients were suc cess fully trea ted with satu ra ted solu tion of potas sium iodi de; howe ver, the third case repor ted side effects and had his therapy subs ti tu ted for itra co na zo le, with reso lu tion of his lesions. Keywords: Cats; Disease trans mis sion, infec tious; Potassium iodi de; Sporotrichosis Resumo: A espo ro tri co se é mico se suba gu da ou crô ni ca, cau sa da pelo fungo dimór fi co Sporothrix schenckii, endê mi ca no Brasil e trans mi ti da prin ci pal men te atra vés da ino cu la ção trau má ti ca de seu agen te cau sal na pele. A trans mis são zoo nó ti ca, espe cial men te por gatos infec ta dos, tem sido demons tra da em diver sos rela tos e séries de casos. Nós des cre ve mos a ocor rên cia simul tâ nea da doen ça em três mem bros de uma mesma famí lia atra vés da arra nha du ra por gato domés ti co infec ta do. Dois pacien tes desen vol ve ram a forma cutâ nea-lin fá ti ca e ape nas um desen vol veu a forma cutâ nea fixa. Dois pacien tes foram tra ta dos com sucesso, com solu ção satu ra da de iode to de potás sio; entre tan to, o ter cei ro caso apre sen tou efei tos cola te rais e teve seu tra ta men to subs ti tuí do por itra co na zol, com reso lu ção de suas lesões. Palavras-chave: Esporotricose; Gatos; Iodeto de potás sio; Transmissão de doen ça infec cio sa
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