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Case for diagnosis / Caso para diagnóstico
Hammerschmidt, Mariana; Azevedo, Luciana Menezes de; Ruaro, Anelisa; Werner, Betina; Nascimento, Alexandre do; Amaral Filho, Ézio Augusto.
Affiliation
  • Hammerschmidt, Mariana; Federal University of Paraná. Teaching Hospital. Curitiba. BR
  • Azevedo, Luciana Menezes de; Federal University of Paraná. Curitiba. BR
  • Ruaro, Anelisa; Federal University of Paraná. Teaching Hospital. Curitiba. BR
  • Werner, Betina; Federal University of Paraná. Anatomopathology Department. Curitiba. BR
  • Nascimento, Alexandre do; Federal University of Paraná. Teaching Hospital. Curitiba. BR
  • Amaral Filho, Ézio Augusto; Federal University of Paraná. Teaching Hospital. Curitiba. BR
An. bras. dermatol ; An. bras. dermatol;87(4): 647-648, July-Aug. 2012. ilus
Article in En | LILACS | ID: lil-645342
Responsible library: BR1.1
ABSTRACT
Atypical fibroxanthoma is a rare cutaneous tumor found mainly in elderly people on sun-exposed areas of the body. Histologically, atypical fibroxanthoma is considered a malignant fibrous histiocytoma with bizarre neoplastic cells, marked pleomorphism, hyperchromatic nuclei and abundant mitoses. It must be differentiated from other skin tumors, usually by immunohistochemistry, since its diagnosis is made by exclusion.
RESUMO
O fibroxantoma atípico é um tipo de neoplasia cutânea maligna rara, encontrado principalmente em idosos, em áreas fotoexpostas. Na histologia, o fibroxantoma atípico é uma neoplasia fibro-histiocítica dérmica, de células fusiformes e epitelioides, algumas vezes bizarras, com acentuado pleomorfismo, apresentando núcleos hipercromáticos e mitoses abundantes. Deve ser diferenciado de outros tumores de pele, principalmente através da imunoistoquímica, já que seu diagnóstico é de exclusão.
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Full text: 1 Index: LILACS Main subject: Skin Neoplasms / Facial Neoplasms / Histiocytoma, Malignant Fibrous Type of study: Diagnostic_studies Limits: Aged / Aged80 / Female / Humans Language: En Journal: An. bras. dermatol Journal subject: DERMATOLOGIA Year: 2012 Type: Article
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Full text: 1 Index: LILACS Main subject: Skin Neoplasms / Facial Neoplasms / Histiocytoma, Malignant Fibrous Type of study: Diagnostic_studies Limits: Aged / Aged80 / Female / Humans Language: En Journal: An. bras. dermatol Journal subject: DERMATOLOGIA Year: 2012 Type: Article