Relationship between the facial nerve root and its surrounding vessels / 中华口腔医学杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study relationship between facial nerve root and its surrounding vessels.</p><p><b>METHODS</b>49 sides facial nerve root and its surrounding vessel were dissected and observed.</p><p><b>RESULTS</b>Facial nerve root and its surrounding vessels forming compression was found to be 24.5% (12/49), creating contact was found to be 14.3% (7/49). The main vessels compressed or (and) contacted facial nerve root were anterioinferior cerebellar artery (68.4%), posterioinferior cerebellar artery (4.1%), malformed vertebral artery (4.1%) and anterioinferior cerebellar vein.</p><p><b>CONCLUSIONS</b>Facial nerve root compressed by offending vesselsare was mainly cause of hemifacial spasm.</p>