Fig. 1From: Severe cerebral edema induced by watershed shift after bypass in a patient with chronic steno-occlusive disease: a case report and short literature reviewDigital subtraction angiography (DSA) results of the patient. a. Steno-occlusive changes at the bifurcation of the left carotid artery and abnormal development of the left ACA and MCA with a normal right ICA on preoperative DSA. b. Left frontal and partial lobes mainly supplied by the left posterior cerebral artery on preoperative DSA. c. Distribution of the superficial temporal artery before bypass surgery. The black arrows indicate the frontal and parietal branches of STA. d. The superficial temporal artery grew well and participated in supplying the left temporal and partial lobes in DSA examined at 6 months after surgeryBack to article page