心包炎在治疗过程中并发了重症肌无力(MG)尚未见过报道,现将我们见过的一例病例报告如下。杨某,男,34岁,于1982年12月20日以结核性心包炎并心包积液收住我院内科。住院后行心包穿刺20余次,每次抽出黄色液体500～1000ml,经反复涂片镜检未发现结核杆菌或癌细胞,结予抗结核治疗无效。1983年9月又发现患者双睑下垂,颈肌无力,四肢无力,蹲下站立不能,但无吞咽困难。注射新斯的明1mg,半小时后明显好转,诊断为重症肌无力(Osserman氏Ⅱ_A型)。给予地塞米松10mg/d静滴,连用35天,然后改为强的 Pericarditis in the course of treatment of myasthenia gravis (MG) has not been reported, we have seen one case was reported as follows. Yang, male, 34 years old, was admitted to our hospital on December 20, 1982 with tuberculous pericarditis and pericardial effusion. After admission, pericardiocentesis more than 20 times, each time out of the yellow liquid 500 ~ 1000ml, repeated smear microscopy did not find Mycobacterium tuberculosis or cancer cells, anti-tuberculosis treatment ineffective. September 1983 also found that patients with ptosis, weakness of the neck, weakness, squat can not stand, but no difficulty swallowing. Injection of neostigmine 1mg, after half an hour was significantly improved, diagnosis of myasthenia gravis (Osserman’s type Ⅱ A). Dexamethasone 10mg / d intravenous infusion, once every 35 days, then changed to strong