Computed tomographic angiography may be used for assessing the dilatation of the anterior choroidal and posterior communicating arteries in patients with moyamoya syndrome.
Xiang GuoLingyun GaoHao YuWeijian ChenYunjun YangFeng JinYawei HuZhen ChongDeguo LiuZhanguo SunYueqin ChenPublished in: European radiology (2021)
• CTA showed a high sensitivity, specificity, and accuracy in diagnosing AChA-ED in patients with MMS. • PComA/P1 ratio greater than 0.71 on CTA signified an extremely dilated PComA. • CTA could be used to assess the dilatation of AChA and PComA in MMS patients, especially for routine postoperative follow-up.