CDKN2B-AS1 and Dilatation of the cerebral artery: Several genes have been found to be closely related to intracranial aneurysms by using GWAS, including chromosome 4q31.23 (EDNRA), 8q12.1 (SOX17), 9p21.3 (CDKN2A/CDKN2B/CDKN2BAS), 10q24.32 (CNNM2), 12q22, 13q13.1 (KL/STARD13), 18q11.2 (RBBP8), and 20p12.1.3.[9–12]