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患者女,64岁。右腹股沟皮疹伴间断性疼痛和瘙痒十余年。皮肤科情况:右腹股沟可见粟粒至蚕豆大花斑状红色、暗红色斑疹,部分融合,其上及其周围有粟粒至近豌豆大红色、暗红色斑丘疹、丘疹,无压痛。皮损组织病理示:表皮大致正常,真皮内散在由紧密排列的不成熟的毛细血管组成的小叶,圆形、卵圆形、细长形或不规则形,含有较多的内皮细胞和周细胞,细胞无明显异型性,小叶周围可见扩张的淋巴管;免疫组化染色示:内皮细胞CD31和CD34表达阳性,周细胞SMA表达阳性。诊断:丛状血管瘤。
Female patient, 64 years old. Right groin rash with intermittent pain and itching more than ten years. Dermatology: the right groin can be seen miliary to broad bean big flower spot red, dark red rash, part of the fusion, on and around the miliary peas to the recent red, dark red rash, papules, no tenderness. Histopathology of the lesion showed that the epidermis was roughly normal, the lobular, round, oval, slender or irregular shape in the dermis scattered in tight arranged immature capillaries contained more endothelial cells and pericytes , There was no obvious atypia of the cells, and lymphatic vessels dilated around the leaflets. Immunohistochemical staining showed that the positive expression of CD31 and CD34 in endothelial cells and the positive expression of SMA in pericytes. Diagnosis: plexiform hemangioma.