CT and MRI imaging characteristics of struma ovarii

Zhang Liqiang; Tang Yao; Zhang Zhu; Zeng Danni; Liao Ruikun; Wen Ming

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CT and MRI imaging characteristics of struma ovarii

更新时间：2023-12-22

- CT and MRI imaging characteristics of struma ovarii
- Journal of Chongqing Medical University Vol. 43, Issue 5, Pages: 722(2018)
- 作者机构：
  
  1. 重庆医科大学附属第一医院 1. 放射科
  2. 肿瘤科,重庆,600016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2018，
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Zhang Liqiang, Tang Yao, Zhang Zhu, et al. CT and MRI imaging characteristics of struma ovarii. [J]. Journal of Chongqing Medical University 43(5):722(2018)
DOI：

Zhang Liqiang, Tang Yao, Zhang Zhu, et al. CT and MRI imaging characteristics of struma ovarii. [J]. Journal of Chongqing Medical University 43(5):722(2018) DOI：

摘要

目的：分析卵巢甲状腺肿的CT与MRI特点。方法：对经手术病理证实的8例卵巢甲状腺肿患者影像学特点进行回顾性分析。结果：8例卵巢甲状腺肿中，发生在左侧附件2例，右侧附件6例。其中5例行全腹部CT平扫及增强检查，均表现为囊实性肿块，2例可见钙化；增强扫描囊壁、分隔及实性部分明显强化，囊性部分无强化；行全腹部MRI平扫及增强扫描3例，均为囊实性肿块，实性部分在T1WI、T2WI均呈等信号，不同的囊腔信号不同，2例可见T2WI极低信号，在T1WI上呈等高信号。增强扫描囊壁、分隔及实质部分强化明显，囊液未见明显强化。结论：CT上出现“高密度囊”和MRI出现T2WI极低信号，是卵巢甲状腺肿的特征性表现。

Abstract

Objective：To analyze the characteristics of CT and MRI of struma ovarii. Methods：The imaging characteristics of 8 patients with pathologically proved struma ovarii were analyzed retrospectively. Results：Two cases were located in the left accessory and 6 cases were in the right. Plain CT and contrast CT were performed on 5 cases. All of the cases were cystic and solid；calcification was found in 2 cases. The solid component，cyst wall，interval of all cases were significantly enhanced；the cystic fluid showed no en－hancement. Plain MRI and contrast MRI were performed on 3 cases；all were cystic and solid. The solid components were intermediate intensity on both T2-weighted images and T1-weighted images. The signal intensity of different cysts was various. The areas of promi－nent low intensity on T2-weighted images were recognized in 2 cases，which were intermediate or high intensity on T1-weighted images. The solid component，cyst wall，interval of all cases were significantly enhanced；cystic fluid showed no enhancement. Conclusion：The prominent low intensity on T2-weighted images on MRI and the high density cyst’ on CT are the characteristic ex－pressions of struma ovarii.

关键词

卵巢甲状腺肿体层摄影术磁共振成像高密度囊极低信号

Keywords

struma ovariicomputed tomographymagnetic resonance imaginghigh density cystprominent low intensity

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