Anna Rita Ferrante Mitidieri de Oliveira

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Porokeratosis is a skin disorder clinically characterized by annular plaques with keratotic borders resembling the Great Wall of China and histopathologically by cornoid lamellae. The disease has several clinical variants. Porokeratosis ptychotropica, which has recently become part of these variants, is quite rare and little known. The entity is(More)
Ewing sarcoma is a primitive neuroectodermal tumor rarely occurs in the skin and sobcutaneous tissues. Generally Ewing's sarcoma is a primary bone tumor, but when present in soft tissues it characterizes an extremely uncommon clinical picture. It usually involves the deep subcutaneous tissue or muscles, and more rarely occurs like a primary skin cancer.(More)
ciated with diabetes mellitus, with only LN associated to this condition. However, this theory was proven to be unfounded, as it was discovered that both diseases can be associated or not with diabetes mellitus.1,2,3 In the present case, a 46-year-old female patient reported the appearance of annular lesions on her forearms and legs over the past three(More)
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