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Congenital Muscula Torticollis. Dept of Pediatric Surg. Wang Daoxi. Appearance of a right sternomastoid tumor in infancy; the head is turned to the contralateral side. . TERMINOLOGY . N ewborn a sternomastoid lump. Older baby a fibrotic, shortened sternomastoid muscle,
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Congenital MusculaTorticollis Dept of Pediatric Surg. WangDaoxi
Appearance of a right sternomastoid tumor in infancy; the head is turned to the contralateral side.
TERMINOLOGY • Newborna sternomastoid lump. • Older baby a fibrotic, shortened sternomastoidmuscle, restriction of rotation of head
ETIOLOGY • Many factors contribute to Torticollis • The high incidence of obstetric difficulties, such as breech presentation and the need for assisted delivery, may leadshortened sternomastoid muscle • Concomitant hip dysplasia is common .
PATHOLOGY • Fibrous replacement of muscle bundles .
CLINICAL FEATURES • The tumor is a hard, spindle-shaped, painless, discrete swell- ing usually about 1 to 3 cm in diameter within the substance of one sternomastoid muscle. Almost always, it first becomes ev- ident at about 3 weeks after birth. Obvious head tilt or torti- collis tends to develop later.
DIAGNOSIS and DIFFERENTIAL DIAGNOSIS • squint • Posterior fossa tumors • Hemivertebrae • atlantoaxial rotatory subluxation
Treatment • Conservative Management 1.Sternomastoid fibrosis resolves spontaneously in the vast majority of infants . 2.a)manipulation of the head and neck ; b) Physiotherapy and regular neck exercises ; c) intensive passive neck range-of-motion stretching exercises PS:No convincing evidence
Treatment • Operative Treatment sternomastoidotomy • Indications for surgery include a)Persistentsternomastoidtightnesslimitingheadrotationin children more than 12 to 15 months of age b)Persistent sternomastoid tightness with progressive hemifacialhypoplasia c)Diagnosis in children older than 1 year
The muscle is best divided at its lower end, although division at its upper end, at both ends,or in its midportion have all been described .
COMPLICATIONS • Hematoma • Incomplete division may produce persistent torticollis. • Recurrent torticollis