Radiology forum: imaging quiz case 1. Hemifacial spasm (HFS) due to an enlarged basilar artery compressing the right seventh cranial nerve (basilar artery dolichoectasia).
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D000368:Aged; D001488:Basilar Artery; D002539:Cerebral Arterial Diseases / Q000150:complications*; D005154:Facial Nerve / Q000503:physiopathology*; D005260:Female; D019569:Hemifacial Spasm / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D014057:Tomography, X-Ray Computed