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目的探讨卵巢子宫内膜异位囊肿的CT影像学特点,分析CT诊断价值及误诊原因。方法收集整理2013年1月至2016年1月入院治疗且经手术活检病理证实为卵巢子宫内膜异位囊肿30例患者的资料,观察CT图像,分析误诊原因。结果 30例患者21例(70.0%)诊断为子宫附件区囊性占位性病变,5例(16.7%)怀疑囊性占位,不排除妇科肿瘤可能性,4例(13.4%)诊断为腺瘤或其他肿瘤病变,CT检查对子宫内膜异位囊肿病确诊率只有70.0%(21/30),误诊率为30.0%(9/30)。结论子宫内膜异位囊肿的CT表现与其他疾病特点相似,诊断医生缺乏相应的经验常会出现误诊,因此其提高诊断水平需要结合临床、综合分析影像特征,避免疾病诊断失误。
Objective To investigate the CT features of ovarian endometriosis cyst, analyze the diagnostic value of CT and the causes of misdiagnosis. Methods Data of 30 patients admitted to our hospital from January 2013 to January 2016 and confirmed by biopsy were ovarian endometriotic cysts. CT images were observed and the causes of misdiagnosis were analyzed. Results Twenty-one patients (70.0%) were diagnosed as cystic lesions in the annex of the uterus. Five patients (16.7%) were suspected cystic masses, the possibility of gynecologic tumors was not excluded, and four cases (13.4%) were diagnosed as adenocarcinomas On the other hand, the diagnosis of endometriosis was only 70.0% (21/30) and the misdiagnosis rate was 30.0% (9/30). Conclusion The CT findings of endometriotic cysts are similar to those of other diseases. Diagnostic doctors often misdiagnose because of lack of corresponding experience. Therefore, it is necessary to combine clinical features and comprehensive analysis of the imaging features to prevent the diagnosis of diseases.