Long-Lasting Symptomatic Cerebral Hyperperfusion Syndrome following Superficial Temporal Artery-Middle Cerebral Artery Bypass in a Patient with Stenosis of Middle Cerebral Artery

Figure 1

Pre- and postoperative cerebrovascular examinations. (a) and (b) Preoperative digital subtraction angiography showing narrowing in the M1 portion of MCA. (c) Preoperative 3D-CT angiography showing narrowing in the M1 portion of MCA. (d) Postoperative 3D-CT angiography showing the patency of STA-MCA anastomosis. (e) Preoperative magnetic resonance angiography (MRA) showing stenosis of M1 portion of left middle cerebral artery (MCA) and poor visualization of peripheral MCA. (f) Postoperative MRA showing the patency of STA-MCA anastomosis and improvement of blood flow in peripheral MCA.