From: Anatomical variations in posterior part of the circle of Willis and their associations with brain infarct in different vascular territories
Infarcted vascular territory
With ipsilateral fPCA (n = 11)
Without ipsilateral fPCA (n = 127)
Hemispheric stroke
Anterior
6 (54.4)
77 (60.6)
Posterior
3 (27.2)
23 (18.1)
Thalamus
1 (19.1)
17 (13.4)
Watershed
1 (9.1)
10 (7.9)