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目的探讨卵巢未成熟畸胎瘤的CT、MRI表现。资料与方法对8例经手术和病理证实的卵巢未成熟畸胎瘤的CT、MRI资料进行回顾性分析。结果本组8例均表现为囊实性肿块,实性成分较大。3例CT平扫实性部分表现为高低混杂密度,内见多发小囊状低密度影、“碎片”状脂肪密度影及多发散在高密度钙化灶,增强扫描呈“破絮”状强化;5例MRI实性部分表现为高低混杂信号,内见多发大小不等长T1、长T2信号囊状影、散在碎片状短T1、长T2信号脂肪组织以及不规则长T1、长T2信号实性软组织影,4例增强扫描见实性部分呈破絮状强化。结论卵巢未成熟畸胎瘤有较特征性的CT、MRI表现。
Objective To investigate the CT and MRI findings of immature ovarian teratoma. Materials and Methods CT and MRI data of 8 cases of ovarian immature teratoma confirmed by operation and pathology were retrospectively analyzed. Results The group of 8 cases showed cystic mass, the larger the real component. Three cases of CT plainness of the part of the performance of the mixed density of high and low, see multiple small cystic low density, “debris ” like fat density and more scattered in high-density calcification, enhanced scan was 5 cases of MRI realities showed mixed signal of high and low, see the size of multiple size T1, cystic shadow of long T2 signal, fragmented short T1, T2 signal fat tissue and irregular long T1, long T2 signal real soft tissue shadow, 4 cases of enhanced scanning see the solid part was broken floc-like enhancement. Conclusion There are more characteristic CT and MRI findings in immature ovarian teratoma.