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患者男,70岁。外伤后额部暗红色斑块半年。皮肤科情况:额部正中可见一6cm×4cm界限清楚的类椭圆形暗红色斑块,周围散在5个黄豆粒大小的暗红色斑块,皮疹触之柔软,压之凹陷。皮损组织病理示:表皮大致正常,真皮中上层可见大量扩张的淋巴管,单层内皮细胞无异型性,扩张的管腔分割胶原纤维束。CD31染色:扩张的淋巴管及血管内皮细胞阳性,胶原纤维间未见阳性细胞团块。HHV-8染色:阴性。诊断:获得性进行性淋巴管瘤。
Patient male, 70 years old. Traumatic forehead dark red plaque six months. Dermatology: forehead visible in the middle of a clear definition of a 6cm × 4cm oval-shaped dark red patches around scattered in the size of the dark red bean 5 patches, the rash touch soft, depressed depression. Histopathology showed that: the epidermis is roughly normal, a large number of dilated lymphatic vessels can be seen in the upper dermis, while the monolayer endothelial cells show no atypia. The dilated lumen divides the collagen fiber bundles. CD31 staining: The lymphatic vessels and vascular endothelial cells were dilated, and no positive cell mass was observed between collagen fibers. HHV-8 staining: negative. Diagnosis: Acquired progressive lymphangioma.