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Article

Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases

  • Authors:
    • Yuzhen Shi
    • Xiaoshuang Li
    • Xiao Chen
    • Yiming Xu
    • Genji Bo
    • Hao Zhou
    • Yongkang Liu
    • Guoxing Zhou
    • Zhongqiu Wang
  • View Affiliations / Copyright

    Affiliations: Department of Medical Imaging, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu 223300, P.R. China, Department of Radiology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210029, P.R. China, Department of Radiology, East Hospital, Tongji University School of Medicine, Shanghai 200120, P.R. China
  • Pages: 1479-1485
    |
    Published online on: December 30, 2016
       https://doi.org/10.3892/ol.2016.5552
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Abstract

Extraventricular choroid plexus papillomas (CPPs) are rare. In this study, we reveal the imaging findings of CPPs located in extraventricular sites. The imaging findings of 11 masses [10 masses on magnetic resonance imaging (MRI) and one mass on computed tomography (CT)] of extraventricular CPP in 10 patients were retrospectively observed. The mass site, size, contour, signal intensity, cystic or solid appearance, calcification, capsules, degree and pattern of enhancement, and hydrocephalus were evaluated based on CT or MRI. The misdiagnosis rate of CPPs in extraventricular sites was 80.0% (8/10). Solitary masses and multiple masses were observed in nine patients (90.0%, 9/10) and one patient (10%, 1/10), respectively. In addition to the typical imaging findings [a lobulated, cauliflower‑like or mulberry‑like mass that is homogeneous isointense or slightly hypointense on T1‑weighted imaging (T1WI) and heterogeneous isointense or slightly hyperintense on T2WI], four masses had round or oval contours and three had cystic components; abnormal signal intensity (mixed hyperintense signals on T1WI and T2WI or slightly hyperintense signals on T1WI or hypo‑/hyperintense on T2WI) and low or no enhancements were observed in three and six masses, respectively; absence of hydrocephalus and mild or local hydrocephalus were each observed in four subjects, respectively. Hemorrhage and psammomatous bodies and/or calcification were observed in four and three masses, respectively. In conclusion, in addition to the typical imaging findings, atypical imaging findings, including atypical contours, abnormal signal intensity, low enhancement and absence of hydrocephalus were also observed in extraventricular CPPs.
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Copy and paste a formatted citation
Spandidos Publications style
Shi Y, Li X, Chen X, Xu Y, Bo G, Zhou H, Liu Y, Zhou G and Wang Z: Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases. Oncol Lett 13: 1479-1485, 2017.
APA
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H. ... Wang, Z. (2017). Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases. Oncology Letters, 13, 1479-1485. https://doi.org/10.3892/ol.2016.5552
MLA
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H., Liu, Y., Zhou, G., Wang, Z."Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases". Oncology Letters 13.3 (2017): 1479-1485.
Chicago
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H., Liu, Y., Zhou, G., Wang, Z."Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases". Oncology Letters 13, no. 3 (2017): 1479-1485. https://doi.org/10.3892/ol.2016.5552
Copy and paste a formatted citation
x
Spandidos Publications style
Shi Y, Li X, Chen X, Xu Y, Bo G, Zhou H, Liu Y, Zhou G and Wang Z: Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases. Oncol Lett 13: 1479-1485, 2017.
APA
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H. ... Wang, Z. (2017). Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases. Oncology Letters, 13, 1479-1485. https://doi.org/10.3892/ol.2016.5552
MLA
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H., Liu, Y., Zhou, G., Wang, Z."Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases". Oncology Letters 13.3 (2017): 1479-1485.
Chicago
Shi, Y., Li, X., Chen, X., Xu, Y., Bo, G., Zhou, H., Liu, Y., Zhou, G., Wang, Z."Imaging findings of extraventricular choroid plexus papillomas: A study of 10 cases". Oncology Letters 13, no. 3 (2017): 1479-1485. https://doi.org/10.3892/ol.2016.5552
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