过量海洛因吸入引起的中枢神经系统损害已越来越受到临床医师的关注。现将我科收治的 2例病人的临床与影像学特点报告如下。1　病　例　例 1,男 ,40岁。 1997年开始服吸海洛因 ,每天 2～ 3ｇ。 1999年曾强行戒毒 ,但未成功。于 2 0 0 0年 6月逐渐出现持物不稳、手抖、饮水呛咳 Central nervous system damage caused by excessive heroin inhalation has drawn more and more attention from clinicians. Now we receive 2 cases of clinical and imaging characteristics of patients reported as follows. 1 Case 1, male, 40 years old. Begin taking inhaled heroin in 1997, 2 ~ 3g daily. In 1999, drug rehabilitation was forcibly taken, but it failed. In June 2000 gradually instability, shaking hands, drinking water cough