分析了９０例卵巢冠囊肿临床资料，结果：发病率占卵巢肿瘤９．４％，发病高峰年龄在４０岁左右，绝经后发病占１８．９％，大多在左侧，直径３～３５ｃｍ不等，其中１０ｃｍ以上者约占１／３，囊壁可有乳头状突起，甚至发展成乳头状囊腺瘤。囊肿扭转占２３．３％。误诊率９０％左右，分析了误诊原因。临床结合Ｂ超检查能提高诊断率。一般行囊肿剔除术，恶变罕见，预后好。 Analysis of 90 cases of ovarian crown cyst clinical data, the results: the incidence of ovarian tumors accounted for 9.4%, the peak age at onset of about 40 years, 18.9% of postmenopausal onset, mostly in the left, ranging from 3 ~ 35cm in diameter , Of which about 10cm or more about 1/3, the wall may have papillary processes, and even the development of papillary cystadenoma. Cyst torsion accounted for 23.3%. Misdiagnosis rate of about 90%, analyzed the causes of misdiagnosis. Clinical combined with B-ultrasound can improve the diagnostic rate. Common cyst excision, malignant rare, good prognosis.