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患儿,女,6岁。2年前无明显原因双下肢疼病,尤以大腿突出,可自行缓解。近10个月逐渐加重,伴大便费力,小便淋漓不尽,偶有二便失控。脊髓造影:L.上缘梗阻,L_2、(?)椎弓根变窄,L_1下缘见弧形充盈缺损。术中见终丝肥大,与蛛网膜及马尾无粘连,并将马尾均匀地推向两侧。肿物直径在T_(12)下缘为0.5cm,L_2处为1.5cm,L_4下缘为0.3 cm。外观呈淡黄色,血运不丰富。沿背侧正中切开肿瘤被膜见肿物上
Children, female, 6 years old. Two years ago, no obvious cause of lower extremity pain, especially in the thigh, relieve itself. Gradually aggravate in the past 10 months, accompanied by stool effort, dripping dripping, occasionally two out of control. Myelography: L. upper edge of the obstruction, L_2, (?) Pedicle narrowing, L_1 lower edge of the curved filling defect. Intraoperative see terminal filament hypertrophy, with no adhesion to the arachnoid and cauda equina, and ponytail evenly pushed to both sides. The diameter of the tumor was 0.5 cm at the lower edge of T_ (12), 1.5 cm at L_2, and 0.3 cm at the lower edge of L_4. The appearance of light yellow, blood is not rich. Medial dorsal along the tumor capsule to see the tumor