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指屈肌腱狭窄性腱鞘炎

来源:华人健康网 | 发布时间:2011-01-19 10:46:37 | www.chinesejk.com

  指屈肌腱狭窄性腱鞘炎又称“扳机指”,主要是由于指屈肌腱在纤维鞘管起始部反复摩擦所致,女性较多,尤以中老年多见。拇、中、环指发病率较高。也可见于婴幼儿,多为先天性。

  发病早期,手指屈伸活动时,膨大的肌腱可勉强通过鞘管的狭窄环,产生扳机样动作或弹响。严重时,手指因肌腱膨大部分嵌顿在狭窄部,不能主动屈曲或绞锁在屈曲位不能伸直。

  临床表现:手指屈伸活动时伴弹响,掌指关节掌侧可触及硬韧结节,局部压痛严重时,指屈伸活动受限,或是伸直位不能屈曲,或是屈曲位不能伸直。

  治疗;早期或症状轻的病例经非手术治疗多可缓解。

(编辑:阳阳 )

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