1.临床资料 2例患儿均系男性,年龄分别为1岁和3岁,发病及治疗相同。就诊前家长无意中发现患儿右拇指指间关节呈屈曲状、弹性固定,被动伸直及屈曲伴有弹性。其掌侧可扪及一小豆状结节,无压痛,确诊为拇长屈肌狭窄性腱鞘炎。经腱鞘内注射强的松龙混悬液加利多卡因治疗2次后未见奏效即行手术治疗。采用掌指关节掌侧横纹处切口,显露拇长屈肌腱鞘,可见腱鞘肥厚狭窄,肌腱梭形增粗。切除部分腱鞘,检查拇指屈伸不 1. Clinical data 2 cases of children were men, aged 1 and 3 years old, the same incidence and treatment. Prior to treatment, parents inadvertently found that children with right thumb interphalangeal flexion, flexible fixation, passive straight and flexion with flexibility. The palm side palpable and a small bean-shaped nodules, no tenderness, diagnosed as thumb flexor stenosing tenosynovitis. The tendon intrathecal injection of prednisolone solution plus lidocaine 2 times after no effect that is surgically treated. The use of the metacarpophalangeal limbus at the transverse incision, showing the thumb flexor tendon sheath, visible stenosis hypertrophic tendon sheath, tendon thickening. Resection part of the tendon sheath, check the thumb flexion and extension is not