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Representative cerebral angiography image of one patient with moyamoya disease. Internal carotid artery angiography: (A) Left lateral, (B) left Towne's position, (C) right lateral and (D) right Towne's position. The occlusion of the internal carotid artery was visible, and there a large number of ‘smoke-like’ vessels were present in the skull base. L, left; R, right; AO, anterior oblique views; CRA, cranial; CAU, caudal.
