肘内翻与肘外翻 PPT课件

肘内翻与肘外翻Р郑炜权Р2009-01-14Р郑炜权Р肘内翻与肘外翻Р肘内翻或肘外翻是由于各种原因引起的肘部畸形。正常肘关节完全伸直时有一轻度外翻,男性约10°,女性约15°,这个外翻角称为携带角。若这个角度增大,即前臂过于外展,称为肘外翻畸形;若这个角度减少,甚至成了负角,就叫做肘内翻畸形?其病因主要为:?(1)肱骨下端骨折畸形愈合?(2)由于外伤或感染造成外侧或内侧骨骺生长障碍Р2009-01-14Р临床表现Р主要为肘部外观畸形,常没有症状?畸形严重者,可发生迟发性尺神经损伤?病程长者,可引起肘关节骨性关节炎?本病可发生于任何年龄,但以儿童多见,多以单侧为主,亦可见于双侧?本病轻度畸形者,不必作治疗。明显畸形或发生迟发性尺神经损伤,可考虑手术治疗,效果良好Р2009-01-14Р图1Р2009-01-14Рfig.1-2: At follow-up. twelve years the patient had a cubitus varus of -20 degrees.Р图2Р2009-01-14РFig.3: Cubitus varus deformity of the left elbow 34 months after treatment by closed reduction for a supracondylar fracture.Р图3Р2009-01-14РFig.4: Six weeks after French’s osteotomy there is good correction of the deformity. Note the periosteal reaction on the medial side of the humerus.Р图4Р2009-01-14Р肘外翻Р图6Р2009-01-14Р此图摘自丁香园Р图7Р2009-01-14