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膝关节滑膜血管瘤国内已有17例报告，加上本组6例，共23例。其中男12例，女11例；年龄20个月一36岁，局限型9例，弥漫型14例。21例拍片7例见软组织肿块影，1例伴静脉石。23例均行手术治疗，3例加硬化剂注射，1例加放疗。4例术后复发，经再次手术治愈。2例以转移皮瓣修复皮肤软组织缺损。本组6例显微镜下均见多少不等的含铁血黄素在增殖的滑膜内沉积，3例误诊为色素绒毛结节性滑膜炎，其中1例尚可见组织细胞和多核巨细胞，提示二病并存或密切相关。
Synovial hemangioma of the knee has been reported in 17 cases in China, plus 6 cases in this group, a total of 23 cases. Among them, there were 12 males and 11 females; aged 20 months and 36 years old, with 9 cases of localized type and 14 cases of diffuse type. In 21 cases, 7 cases showed soft tissue masses, and 1 case had venous stones. All 23 patients underwent surgical treatment, 3 patients received sclerotherapy, and 1 patient received radiotherapy. Four cases relapsed and were cured by reoperation. In 2 cases, skin flaps were used to repair skin and soft tissue defects. In this group, 6 cases of different concentrations of hemosiderin in the proliferation of synovial membrane were seen under the microscope, 3 cases were misdiagnosed as pigmented villous nodular synovitis, 1 case still visible histiocytes and multinucleated giant cells, suggesting The two diseases coexist or are closely related.