脑血栓形成和脑栓塞引起的脑缺血,其结果皆可致脑梗塞。脑梗塞是病理诊断的名称,所以临床上通常参考临床症状和血管造影所见,从血管病变上诊断为脑血栓形成或脑栓塞。然而,其神经症状和临床症状并非由于血管病变本身引起,而是由于脑缺血、脑梗塞及脑出血等脑神经细胞病变引起的。因而,即使形成血栓,若是侧枝循环充分,或即使产生脑栓塞,栓子在极早期分解而血流若再开通,也都不会发展为脑梗塞,结果也不会出现脑血管意外和神经症状。在CT(X线CT扫描)、核磁共振图像法(MRI)、单光子发射计算层析X射线摄影法(SPECT)和正电子发射层 Cerebral thrombosis and brain ischemia caused by cerebral embolism, the results can lead to cerebral infarction. Cerebral infarction is the name of the pathological diagnosis, so clinically usually refer to the clinical symptoms and angiography seen from the vascular lesions diagnosed as cerebral thrombosis or cerebral embolism. However, neurological symptoms and clinical symptoms are not caused by vascular lesions themselves, but rather due to cerebral neuronal diseases such as cerebral ischemia, cerebral infarction and cerebral hemorrhage. Therefore, even if thrombus formation, if the collateral circulation is sufficient, or even if the occurrence of cerebral embolism, embolism in a very early decomposition and blood flow if reopened, they will not develop cerebral infarction, the results will not appear cerebrovascular accidents and neurological symptoms . In the CT (X-ray CT scan), nuclear magnetic resonance imaging (MRI), single photon emission computed tomography (SPECT) and positron emitting layer