释义 |
DictionarySeewryneckcongenital torticollis
con·gen·i·tal tor·ti·col·listorticollis due to a unilateral fibrous tumor in the sternocleidomastoid muscle, present at birth as a swelling that may subside or may lead to torticollis by shortening of the muscle. Synonym(s): muscular torticollisA focal dystonia consisting of one-sided contracture with palpable induration of the sternocleidomastoid muscle, causing the chin to turn towards the opposite side and the head to rotate towards the lesion; wryneck is accompanied by facial muscle dysplasia Aetiology Congenital form—unclear—possibly due to in utero or peripartum trauma to venous drainage, causing asymmetric development of the face and skull; the later it is recognised, the more likely it will require surgery |