Objective: To evaluate the value of quantifying rCBF by brain SPECT imaging with 99Tcm-ECD to locate epileptic foci and diagnose the primary epilepsia.

• 目的： 应用SPECT脑显像定量测定癫痫患者局部脑血流的变化，并用定量分析法评估99Tcm-ECD脑显像对原发性癫痫定性和致病灶定位诊断中的价值。