Kitamura综合征又称甲状腺毒性周期麻痹,在我国临床并非罕见。现将遇到的9例报告如下。本组9例均为男性,年龄17～28岁,平均年龄为25岁。发病至确诊时间为13个月～2年。临床表现为夜间或清晨出现发作性四肢运动障碍。四肢肌力在0°～Ⅲ°间,呈对称性弛 Kitamura syndrome, also known as thyroid toxic cycle paralysis, is not uncommon in our country. Now encountered in 9 cases reported as follows. The group of 9 patients were male, aged 17 to 28 years old, with an average age of 25 years. The onset of diagnosis to 13 months to 2 years. Clinical manifestations of nocturnal or early morning onset of limb movement disorders. Limb muscle strength in the 0 ° ~ Ⅲ °, symmetrical relaxation