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10 wrz 2024 · Damage to the hypoglossal nerve is a relatively uncommon cranial nerve palsy. Possible causes include head & neck malignancy and penetrating traumatic injuries. If the symptoms are accompanied by acute pain, a possible cause may be dissection of the internal carotid artery.
7 lis 2022 · The hypoglossal nerve can be damaged at the hypoglossal nucleus (nuclear), above the hypoglossal nucleus (supranuclear), or interrupted at the motor axons (infranuclear). Such damage causes paralysis, fasciculations (as noted by a scalloped appearance of the tongue), and eventual atrophy of the tongue muscles.
Hypoglossal nerve damage symptoms. If you have hypoglossal nerve damage, your tongue weakens on the side that’s affected. It will eventually waste away (atrophy), leading to paralysis of your tongue. Because of this, you may have trouble swallowing, chewing and/or speaking.
20 maj 2024 · Clinical aspects. Penetrating injuries to the neck, and various lesions of the skull base may also affect the nucleus of the hypoglossal nerve. An injury of the nerve manifests as flaccid paralysis and atrophy of the ipsilateral muscles of the tongue followed with speech impairment.
The level of the nerve injury can be determined based only on observation of symptoms. Supranuclear damage manifests contralateral to the site of the lesion, hence tongue deviates away from the side of injury but it does not exhibit visible atrophy or fasciculation. ... Barkhaus P. Cranial Nerve XII: The Hypoglossal Nerve. Semin. Neurol. 2009 ...
8 lip 2020 · In this paper, we will address some of the lower cranial nerve (LCN) syndromes in one comprehensive review. The LCNs comprise the paired CN IX (glossopharyngeal), CN X (vagus), CN XI (accessory), and CN XII (hypoglossal) (Figs. 1 and 2). LCN lesions can be attributable to various causes, which need to be explored to optimize management and ...
12 kwi 2019 · Damage to this structure may be caused by penetrating trauma to the nerve, malignancies or vascular lesions. Patients will present with tongue deviation toward the side of the lesion in the presence of fasciculations. Muscle wasting of the tongue is a relatively late occurrence, but can be a diagnostic clue.
