Objective To summarize the misdiagnosis cause and preventive measures of multiple pheochromocytoma presented as convulsion. Methods A retrospective analysis was conducted on a multiple pheochromocytoma with convulsion misdiagnosed as epilepsy in 2006. Results The patient suffered from intermittent attacks with convulsions and loss of con-sciousness for 19 months. He has misdiagnosed as having epilepsy, hypertensive encephalopathy and Takayasu′s arteritis in other hospitals. The condition was not relieved after symptomatic treatment, and the patient was admitted to our hospital for another attack. Abdominal ultrasound confirmed adrenal gland multiple nodules, and then it was diagnosed as pheochromocy-toma by the puncture biopsy guided by ultrasound. All the lesions were totally removed, and were diagnosed as multiple pheo-chromocytoma confirmed by pathological examination. The patient did not have a relapse of convulsions, and there was no tumor recurrence during a 7-year follow up. Conclusion The patients with convulsion and abnormal blood pressure should be suspected as having pheochromocytoma and corresponding tests should be made.%目的：探讨以抽搐为首发表现的多发性嗜铬细胞瘤的误诊原因及防范措施。方法回顾性分析2006年我院收治的1例以抽搐为首发表现的多发性嗜铬细胞瘤误诊为癫痫的临床资料。结果患儿因间断性抽搐伴意识丧失19个月入院，曾在外院就诊，诊断为癫痫、高血压脑病及多发性大动脉炎，给予相应治疗效果不佳，遂就诊我院。腹部超声检查提示肾上腺区多发性结节，行超声引导下穿刺活检术，活组织病理检查诊断为嗜铬细胞瘤，予手术切除病灶。术后病理检查证实诊断。随访7年，抽搐未再发作，肿瘤无复发。结论临床上对伴血压异常的抽搐患者，要考虑到嗜铬细胞瘤可能，应及时行相关检查以确诊。
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