目的：探讨卵巢甲状腺肿(SO)的超声表现，为临床诊断提供参考。方法回顾性分析2008年1月至2015年10月间经手术病理证实的22例SO患者的临床资料以及超声声像图表现。结果22例SO中，单侧发病20例，双侧发病2例，声像图表现均为边缘清晰，呈类圆形、椭圆形或不规则形；2例为实性稍高回声，11例为囊实性，9例为多房囊性。彩色多普勒超声提示：9例囊实性卵巢甲状腺肿的实性部分及3例多房囊性卵巢甲状腺肿内的分隔均可见低速中阻或低阻血流信号。10例实性肿瘤及多房囊性肿瘤未见明显血流。结论 SO超声表现多样，肿块小于3 cm以下临床和声像图均无明显的特异性，明确诊断需要病理。肿块大于5 cm时，则可有相应的临床及一定特征超声表现，如肿瘤呈多房囊性或囊实性，边界清晰，囊内见结节状中等或中高回声同时伴血流信号，应考虑SO的可能。%Objective To analyze the ultrasonic manifestations of struma ovarii (SO), and to provide reference for clinial diagnosis. Methods The clinicopathological data and ultrasonic manifestations of 22 SO patients who have been confirmed by pathology from January 2008 to October 2015 were retrospectively analyzed. Results In the 22 cas-es, 20 were unilateral disease and 2 were bilateral disease, all displaying clear edges and round, oval or irregular shape. There were 2 cases with solid and higher echo, 11 cases with cystic and solid echo, and 9 cases with multilocular cyst. Color Doppler ultrasound showed blood flow signals with low speed and moderate resistance or low speed and low resis-tance in the solid part of 9 cases with cystic and solid echo and divided part of 3 cases with multilocular cyst, and no sig-nificant blood flow was found in the remaining 10 cases. Conclusion Ultrasonic features of SO are diverse. Small lumps less than 3 cm have no specific clinical and sonographic features, and their diagnosis requires pathological exami-nation. Larger lumps bigger than 5 cm may have corresponding clinical features and some ultrasonographic characteris-tics, including cystic and solid echo or multilocular cyst, clear boundaries, moderate or high intracapsular nodular echo and simultaneously with blood signal.
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