先天性肌性斜颈(CongenitalMuscular Torticollis CMT)是由于一侧胸锁乳突肌(sternocleidomastoideus SCM)挛缩导致头部向患侧偏斜、颈部扭转、面部及下颌偏向健侧的疾病,病理特征是胸锁乳突肌间质增生及纤维化。本病是新生儿及婴幼儿最常见的肌肉骨骼系统先天性疾病之一,发病 Congenital muscular torticollis (CongenitalMuscular Torticollis CMT) is due to contralateral sternocleidomastoideus SCM (sternocleidomastoideus SCM) contractures leading to the head to the affected side of the skeletal, neck torsion, facial and lower jaw tend to the contralateral disease, the pathological features are Sternocleidomastoid interstitial hyperplasia and fibrosis. The disease is one of the most common congenital diseases of the musculoskeletal system of newborns and infants and young children, the incidence