中年以上的晚发性癫痫,多为继发性,常见病因为脑占位病变、脑血管疾病、外伤、炎症或脑寄生虫等。我科收治一例先诊断为癫痫,后经检查确诊为甲状旁腺机能低下所致的癫痫发作。因临床罕见,亦易误诊,特报告于下。男,57岁,工人。病者于1984年8月9日晚5时感周身不适,数分钟后即有抽搐发作.尿失禁,口唇青紫,数分钟后自动缓解,9时许又发作一次,次日又有同样发作,乃以癫痫入院。既往史曾有30 Middle-aged and late-onset epilepsy, mostly secondary, common causes of brain lesions, cerebrovascular disease, trauma, inflammation or brain parasites. Our department admitted a case of first diagnosis of epilepsy, after examination confirmed the parathyroid hypothyroidism caused by seizures. Due to clinical rare, but also easy to misdiagnosis, special report in the next. Male, 57 years old, worker. The patient was feeling discomfort at 5:00 on August 9, 1984, a few minutes after the onset of convulsions. Urinary incontinence, bruising lips, automatically relieve after a few minutes, another episode at 9 am, the next day the same attack, Is admitted to epilepsy. Past history has 30