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CT Diagnosis in the Thecoma–Fibroma Group of the Ovarian Stromal Tumors

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Abstract

The aim of this study was to investigate characteristic CT manifestations of the group of ovarian thecoma–fibroma. 24 patients (26 lesions) presenting with the ovarian thecoma–fibroma were analyzed retrospectively, and the diagnosis were confirmed by pathology after surgery. Our findings included: 22 patients were unilateral, while 2 were bilateral; 12 lesions were located in the right side of ovary, while 14 lesions were in the left side. Of the 26 lesions, there were ovarian thecoma (16 lesions), fibrothecoma (6 lesions), and fibroma (4 lesions). The largest diameters of tumor ranged from 37 to 231 mm with the mean value of 100 ± 44.29 mm. 14 patients were accompanied by ascites. All the tumors had well-defined borders. The shape of  22 lesions appeared round or oval, and 4 lesions were irregular. The tumors were solid in 19 lesions, cystic in 2 lesions, and mixed in 5 lesions. Most of the tumors were of heterogeneous density. There were no (20 lesions) or slight enhancement (6 lesions) after injection of the contrast medium. CT values of plain scan, arterial phase and venous among three groups had no significant difference. The enhancement were in the range of 0–5 HU in 10 lesions, and 6–17 HU in 16 lesions. In conclusion, the characteristic CT manifestations of the group of ovarian thecoma–fibroma were: often unilateral solid mass with the shape of oval and well defined border; no enhancement or slight enhancement; accompanied by small amount of ascites.

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Authors and Affiliations

  1. Department of Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, People’s Republic of China

    Zhixu Zhang, Yan Wu & Jianbo Gao

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  1. Zhixu Zhang
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  2. Yan Wu
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  3. Jianbo Gao
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Correspondence to Jianbo Gao.

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Zhixu Zhang and Yan Wu have contributed equally to this work.

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Zhang, Z., Wu, Y. & Gao, J. CT Diagnosis in the Thecoma–Fibroma Group of the Ovarian Stromal Tumors. Cell Biochem Biophys 71, 937–943 (2015). https://doi.org/10.1007/s12013-014-0288-7

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