Hypoglossal nerve injury

The hypoglossal nerve is the last pair of twelve pairs of brain nerves, and its injury is very common clinically. It is often combined with the medulla-related lesions and the clinical manifestations of the posterior brain nerve, and sometimes it appears as a single injury. Posterior mandibular space, submandibular area, oral or mandibular horizontal branch firearm injuries, fractures, and accidental injuries can cause individual injuries to the hypoglossal nerve. Nerve paralysis caused by contusions, bleeding, and local anesthesia infiltration around the nerves is usually temporary, or only slight remnants remain. Crude contusion or rupture of the nerve is manifested as paralysis of the affected tongue muscle, and the tongue tip deviates to the affected side when the tongue is extended, and then atrophies.

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