Imaging Features of isolated hypoglossal nerve palsy

Publication date: Available online 26 April 2019Source: Journal of NeuroradiologyAuthor(s): Angela Guarnizo, Rafael Glikstein, Carlos TorresAbstractThe hypoglossal nerve gives motor innervation to the intrinsic and extrinsic muscles of the tongue. Pathology of this nerve affects the balanced action of the genioglossus muscle causing tongue deviation toward the weak side. Clinically, hypoglossal nerve palsy manifests with difficulty chewing, swallowing and with dysarthric speech 1 ] herein, we review the anatomy of the hypoglossal nerve as well as common and infrequent lesions that can affect this nerve along its course.
Source: Journal of Neuroradiology - Category: Radiology Source Type: research