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Unusual imaging appearance of a rare cortical ependymoma mimicking angiocentric glioma

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Abstract

Cortical ependymomas are uncommon lesions. We report a cortical ependymoma displaying an unusual imaging pattern. The lesion demonstrated a T1 hyperintense rim and limited perilesional edema but lacked contrast enhancement. T1 hyperintense rim and stalk-like ventricular extension of FLAIR hyperintensity have previously been considered pathognomonic of angiocentric glioma. Hence, we conclude that the radiologists should be aware of this uncommon imaging pattern of cortical ependymoma. The condition warrants prompt surgical management in view of the increased potential for higher grade transformation, unlike grade I roman numeral may be given angiocentric gliomas.

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Authors and Affiliations

  1. Department of Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal, Institute for Medical Sciences and Technology, Trivandrum, Kerala, 695011, India

    Santhakumar Senthilvelan, Sathish Kandasamy, Kesavadas Chandrasekharan & Bejoy Thomas

  2. Department of Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India

    Deepti AN

Authors
  1. Santhakumar Senthilvelan
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  2. Sathish Kandasamy
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  3. Kesavadas Chandrasekharan
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  4. Bejoy Thomas
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  5. Deepti AN
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Dr. Santhakumar Senthilvelan. The first draft of the manuscript was prepared by Dr. Santhakumar Senthilvelan. Data collection (histopathological examination) and review of the manuscript was done by Dr. Deepti AN. Review of the manuscript to make it an intellectual content was done by Dr. Sathish K. Critical review of the manuscript making it an intellectual content and acceptance to be sent for publication were done by Dr. Chandrasekharan Kesavadas and Dr. Bejoy Thomas. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Santhakumar Senthilvelan.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Senthilvelan, S., Kandasamy, S., Chandrasekharan, K. et al. Unusual imaging appearance of a rare cortical ependymoma mimicking angiocentric glioma. Neurol Sci 41, 1935–1938 (2020). https://doi.org/10.1007/s10072-020-04364-y

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  • DOI: https://doi.org/10.1007/s10072-020-04364-y

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