10例复发性甲状腺囊肿病人,其中5例为单纯性囊性结节,另5例为含有固体的混合性囊性结节.经反复针吸仍不能减少囊液,囊液重新积累时,直接向囊内注入四环素,追踪12～20个月(平均15个月).结果表明,所有单纯性囊肿完全消退,5例混合性结节中4例囊体缩小,囊液不再积累.治疗全过程中,病人一般可充分耐受.因此,治疗复发性的单纯性或混合性 10 patients with recurrent thyroid cyst, of which 5 cases of simple cystic nodules, and the other 5 cases with mixed solid cystic nodules.After repeated acupuncture still can not reduce the cystic fluid, cystic fluid re-accumulation, direct Intracystic tetracycline injection was followed up for 12 to 20 months (mean 15 months) .The results showed that all the simple cysts completely subsided, and 5 cases of mixed nodules were reduced in 4 cases and cystic fluid no longer accumulated. In the process, the patient can generally be fully tolerated. Therefore, the treatment of recurrent simple or mixed