%0 Journal Article %T Hemifacial Spasm Caused by Veins Confirmed by Intraoperative Monitoring of Abnormal Muscle Response %A Hidenori Ohbuchi %A Hidetoshi Kasuya %A Shigeru Tani %A Suguru Yokosako %A Wenlei Yang %A Yasuhiro Kuroi %J Archive of "World Neurosurgery: X". %D 2019 %R 10.1016/j.wnsx.2018.100002 %X Hemifacial spasm (HFS) is a benign disease caused by the hyper excitement of facial nerves owing to vessel compression. The offending vessels are usually arteries, such as anterior and posterior inferior cerebellar or vertebral arteries, but there are few reports of vein involvement cases %K Abnormal muscle response %K Hemifacial spasm %K Vein AICA %K Anterior inferior cerebellar artery %K AMR %K Abnormal muscle response %K AS %K Attached segment %K CP %K Cisternal portion %K HFS %K Hemifacial spasm %K MVD %K Microvascular decompression %K PICA %K Posterior inferior cerebellar artery %K RDP %K Root detachment point %K RExP %K Root exit point %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6580890/