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Article

Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma

  • Authors:
    • Jingya Chen
    • Jianhua Wang
    • Xiao Chen
    • Yaohui Wang
    • Zhongqiu Wang
    • Dake Li
  • View Affiliations / Copyright

    Affiliations: Department of Radiology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210029, P.R. China, Department of Pathology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210029, P.R. China, Department of Gynecology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210029, P.R. China
  • Pages: 1172-1178
    |
    Published online on: May 22, 2017
       https://doi.org/10.3892/ol.2017.6228
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Abstract

The aim of the present study was to investigate the imaging characteristics of ovarian fibrothecoma. The cases of 25 female patients with pathologically confirmed ovarian fibrothecomas were retrospectively reviewed. Tumor location, size, density, signal intensity, cystic degeneration, calcification, enhancement pattern and ascites were assessed by computed tomography (CT) (n=20) and magnetic resonance imaging (MRI) (n=5). Clinical and histological features were also evaluated. The results revealed that 23 (92.0%) patients were postmenopausal, with a mean age ± standard deviation (SD) of 60.7±10.8 years old. All 25 tumors were unilateral and a thickened endometrium was observed in 7 (28.0%) patients. In total, 24 (96.0%) tumors appeared to have well‑defined boundaries, with 1 (4%) tumor exhibiting an obscure boundary. Tumors had a mean size of 9.8±5.3 cm. Solid and predominantly solid masses were found in 16 cases (64.0%), and cystic and predominantly cystic masses were found in 9 patients (36.0%). Solid regions of masses exhibited hypodensity or isodensity in 24 patients (96.0%), with 1 patient (4.0%) exhibiting hyperdensity. The mean CT value (± SD) was 44.2±12.8 HU (range, 31‑79HU) in unenhanced images. All masses exhibited isointensity or slight hypointensity on T1‑weighted imaging, and tumor parenchyma also exhibited slight hypointensity or isointensity on T2-weighted imaging compared with the myometrium, with or without areas of patchy hyperintensity. Contrast‑enhanced CT or MRI scans were performed on 19 patients, and the solid components (94.7%) exhibited mild to moderate enhancement in 18 patients and 1 patient (5.3%) exhibited intense enhancement. Tumor size was positively correlated with the tumor cystic degeneration (r=0.77, P<0.001) and ascites (r=0.41, P<0.001). Therefore, ovarian fibrothecoma typically presents as solid or predominant solid masses with clear boundaries; the parenchyma of the tumor exhibits isodensity on CT scans, slight hypointensity or isointensity on MRI and mild enhancement following contrast‑medium injection. The thickened endometrium observed in postmenopausal woman may also be a valuable imaging feature.
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Copy and paste a formatted citation
Spandidos Publications style
Chen J, Wang J, Chen X, Wang Y, Wang Z and Li D: Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma. Oncol Lett 14: 1172-1178, 2017.
APA
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., & Li, D. (2017). Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma. Oncology Letters, 14, 1172-1178. https://doi.org/10.3892/ol.2017.6228
MLA
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., Li, D."Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma". Oncology Letters 14.1 (2017): 1172-1178.
Chicago
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., Li, D."Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma". Oncology Letters 14, no. 1 (2017): 1172-1178. https://doi.org/10.3892/ol.2017.6228
Copy and paste a formatted citation
x
Spandidos Publications style
Chen J, Wang J, Chen X, Wang Y, Wang Z and Li D: Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma. Oncol Lett 14: 1172-1178, 2017.
APA
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., & Li, D. (2017). Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma. Oncology Letters, 14, 1172-1178. https://doi.org/10.3892/ol.2017.6228
MLA
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., Li, D."Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma". Oncology Letters 14.1 (2017): 1172-1178.
Chicago
Chen, J., Wang, J., Chen, X., Wang, Y., Wang, Z., Li, D."Computed tomography and magnetic resonance imaging features of ovarian fibrothecoma". Oncology Letters 14, no. 1 (2017): 1172-1178. https://doi.org/10.3892/ol.2017.6228
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