Abstract

Cervical spinal canal deformities can be caused by muscular deforming forces, as in the case of a 10-year-old male with inveterate left torticollis. Atlas and axis bone deformities were observed, including subluxation of the odontoid apophysis, hypertrophy of the anterior arch of the atlas, hypoplasia of the posterior arches of atlas, and deformation of the spinal canal accompanied by an eccentric position of the spinal cord. After tenotomy of Sternocleidomastoid Muscle (SCM) and 5-years of follow-up, the deformities were unchanged. Idiopathic scoliosis, is a 3D deformity, and has similar pattern spinal deformities: Thinning, asymmetry of the pedicles and vertebral laminae and spinal cord displacement toward the concavity of the scoliosis. Persistent muscular deforming forces on the neurocentral cartilage can be sources of structural deformity in vertebral and cervical deformities.

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