2011
DOI: 10.1590/s0365-05962011000700002
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Acroangiodermatite (pseudossarcoma de Kaposi): uma condição raramente reconhecida. Um caso na planta do pé associado a insuficiência venosa crônica

Abstract: A acroangiodermatite ou pseudossarcoma de Kaposi é entidade angioproliferativa incomum relacionada a insuficiência venosa crônica, fístulas arteriovenosas, membros paralisados, cotos de amputação, síndromes vasculares e condições trombóticas. Apresenta-se, em geral, como máculas, pápulas ou placas purpúricas no dorso dos pés (especialmente hálux) e maléolos. Relatamos um caso de acroangiodermatite afetando a região plantar, por dois anos sem diagnóstico, para o qual a coloração histológica por hematoxilina-eos… Show more

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Cited by 7 publications
(2 citation statements)
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“…1,2 It is generally characterized by purpuric macules, papules or plaques on the dorsum of the feet and the malleolus. It is considered a clinical and histological simulator of Kaposi's sarcoma (KS) and may present proliferation of endothelial cells, neoformation of thick-walled vessels, frequently in lobular arrangement and surrounded by pericytes in the dermis, extravasation of red blood cells, deposition of hemosiderin pigment, dermal fibrosis, small thrombi in the in the lumen of blood vessels and a superficial perivascular infiltrate with lymphocytes, histiocytes and occasional plasma cells.…”
Section: Introductionmentioning
confidence: 99%
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“…1,2 It is generally characterized by purpuric macules, papules or plaques on the dorsum of the feet and the malleolus. It is considered a clinical and histological simulator of Kaposi's sarcoma (KS) and may present proliferation of endothelial cells, neoformation of thick-walled vessels, frequently in lobular arrangement and surrounded by pericytes in the dermis, extravasation of red blood cells, deposition of hemosiderin pigment, dermal fibrosis, small thrombi in the in the lumen of blood vessels and a superficial perivascular infiltrate with lymphocytes, histiocytes and occasional plasma cells.…”
Section: Introductionmentioning
confidence: 99%
“…1 Immunohistochemistry is a valuable method to differentiate between these two entities: in acroangiodermatitis CD34 expression is noted only in endothelial cells, whereas in Kaposi's sarcoma it is identified both in endothelial cells and perivascular spindle cells (Figure 1). 1,2 By using the antibody against the latent nuclear antigen 1 (LNA-1) of human herpes virus 8 (HHV-8) it is possible to detect the presence of the virus in the tumor cells especially in the initial lesion -, and differentiate KS from its histological simulators. 6 …”
Section: Introductionmentioning
confidence: 99%