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中枢神经系统以外的脑膜瘤少见,皮下脑膜瘤更罕见。作者报告1例右手小指异位脑膜瘤。患者女,67岁。于1981年9月入哥本哈根Rigs-hopitalet 整形外科医院。主诉右小指肿瘤4.5年。近几月增大变软。无创伤史。检查发现右小指第二指关节近端桡背侧有一可活动伴有红肿之肿块。X 光照片显示1×0.15×0.5cm 之钙化肿瘤,与指骨无连接。在局麻下切除肿瘤。病理检查:肿物为12×8×3 mm。包膜完整。镜检瘤细胞为梭形和圆形、界限不清。嗜酸核呈圆形或卵圆形。有旋涡状结构。瘤细胞无异型性。间质有
Meningioma outside the central nervous system is rare, and subcutaneous meningiomas are rarer. The authors report 1 case of right-hand little finger ectopic meningioma. Female patient, 67 years old. Into the Rigs-hopitalet plastic surgery hospital in Copenhagen in September 1981. Chief complaint of right pinkie tumor for 4.5 years. Increased softness in recent months. Non-invasive history. Examination revealed that the right side of the second finger joint of the right pinkie had a lumpy mass that was accompanied by redness on the dorsal side of the diaphragm. X-ray photographs show 1 x 0.15 x 0.5 cm calcified tumors with no connection to the phalanx. The tumor was removed under local anesthesia. Pathological examination: The mass was 12 x 8 x 3 mm. Complete film. Microscopically, the tumor cells were fusiform and round with unclear boundaries. The eosinophils are round or oval. Swirling structure. No abnormality of tumor cells. Interstitial