Fig. 1From: Recurrent hemorrhage risk associated with medial target medullary artery anastomosis from the periventricular collateral vessel in adult patients with moyamoya diseaseSchematic illustrations demonstrating imaging definitions of the medial, lateral, and nonmedullary artery anastomotic territories in different target collateral vessel patterns. Med = medullary; A = artery; LSA = lenticulostriate artery; ThA = thalamic artery; ChA = choroidal arteryBack to article page