卵巢甲状腺肿的影像学诊断
宁波市妇女儿童医院 放射科，浙江 宁波 315012
Imaging diagnosis of struma ovarii
Department of Radiology, Ningbo Women & Children’s Hospital, Ningbo, 315012
引用本文:
章瑜,梅海炳. 卵巢甲状腺肿的影像学诊断[J]. 温州医科大学学报, 2015, 45(9): 683-.
Cite this article:
ZHANG Yu,MEI Haibing.. Imaging diagnosis of struma ovarii[J]. JOURNAL OF WEZHOU MEDICAL UNIVERSITY, 2015, 45(9): 683-.
摘要 目的：总结卵巢甲状腺肿（SO）的影像学表现。方法：回顾性分析经手术病理证实的8例SO的MR、超声表现，结合病理表现，分析其影像学特征。结果：8例病例均为单侧，边界清楚，囊实性肿瘤。最大径范围5.1～19.3 cm。MR：实性区呈T2等信号、DWI高信号；囊性区不同囊腔信号不均等，所有病例均可见T2WI极低信号区，其在DWI图像上呈低信号。囊壁、囊间隔及实性区强化。超声于7例肿瘤实性部分发现“甲状腺肿突起”。结论：SO表现为边界光整肿块，MR上的T2极低信号区和超声图像上的“甲状腺肿突起”具有相对特征性，MR及超声检查对其诊断有重要价值。
关键词 ：
卵巢甲状腺肿 ,
磁共振成像 ,
超声检查
Abstract ：Objective: To analyze the MR and ultrasound (US) features of struma ovarii (SO). Methods: MR and US images of 8 patients with pathologically proved SO were retrospectively analyzed. Imaging features were compared with pathological results. Results: All tumors were unilateral, well-defined, mixed solid and cystic. The maximum sizes of the tumors ranged from 5.1 cm to 19.3 cm. MR appearances: The solid components were intermediate intensities on T2-weighted images and high intensities on diffusion-weighted images. The signal intensities of the cystic components were various. The areas of prominent low intensity on T2-weighted images were recognized in all cases, which were low intensities on diffusion-weighted images. Cyst walls, septa and solid components were well enhanced. Ultrasonographic appearances: The solid portion of tumors showed parenchymal echogenicity with “struma pearls” in 7 cases. Conclusion: Struma ovarii appeared as a smooth marginated mass with the areas of prominent low intensity on T2-weighted images on MR, and “struma pearls” on US images. The MR and US characteristic appearances of SO may be of great value for the diagnosis.
Key words ：
struma ovarii
magnetic resonce imaging
ultrasonography
收稿日期: 2014-12-05
通讯作者:
章瑜（1982-），女，河南南阳人，主治医师，硕士。
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