1Yang JH,Choi HY,Nam HS,et al.Mechanism of infarction involving ipsilateral carotid and posterior cerebral artery territories[J].Cerebrovascular diseases(Basel,Switzerland),2007,24(5):445-451.
2Shaban A,Albright KC,Boehme AK,et al.Circle of Willis variants:fetal PCA[J].Stroke Res&Rreatment,2013,2013:105937.
3van der Lugt A,Buter TC,Govaere F,et al.Accuracy of CT angiography in the assessment of a fetal origin of the posterior cerebral artery[J].Euro Radiol,2004,14(9):1627-1633.
4Chaudhuri R,Padayachee TS,Lewis RR,et al.Non-invasive assessment of the Circle of Willis using transcranial pulsed Doppler ultrasound with angiographic correlation[J].Clinic Radiol,1992,46(3):193-197.
5Arjal RK,Zhu T,Zhou Y.The study of fetal-type posterior cerebral circulation on multislice CT angiography and its influence on cerebral ischemic strokes[J].Clinic Imaging,2014,38(3):221-225.
6de Monye C,Dippel DW,Siepman TA,et al.Is a fetal origin of the posterior cerebral artery a risk factor for TIA or ischemic stroke.A study with 16-multidetector-row CT angiography[J].J Neurol,2008,255(2):239-245.