Sternocleidomastoid muscle enlargement

Introduction The sternocleidomastoid muscle, which starts in the anterior aspect of the sternum and the sternum of the clavicle, terminates in the mastoid of the tibia. It is dominated by the accessory nerve, and one side contracts, causing the head to bend to the same side and turn to the opposite side. The sides are contracted to extend the head. General sprains or strains can cause sternocleidomastoid enlargement.

Cause

Strain damage causes chronic damage to the tendon, poor sleep posture, can increase the traction damage of the sternocleidomastoid muscle. If the neck is not warm, the blood supply of the tendon will be further reduced, and the necrotic cells and exudate of the damaged tendon will be damaged. Can not be ruled out, form edema, stimulate nerve endings, and cause a series of clinical manifestations.

an examination

Related inspection

CT examination of mastoid CT examination

1. Palpation.

2. CT or X-ray examination.

Differential diagnosis

According to the history of the disease and the cause of the disease, it is differentiated from the sternocleidomastoma caused by chronic strain and the sternocleidomastoma caused by acute sprain or sleeping position.

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