KMID : 1035520230110040281
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Brain Tumor Research and Treatment : BTRT 2023 Volume.11 No. 4 p.281 ~ p.288
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Primary Intracranial Ewing Sarcoma With EWSR1-FLI1 Gene Translocation Mimicking a Meningioma and a Multidisciplinary Therapeutic Approach: A Case Report and Systematic Review of Literatures
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Hyun Chang-Jun
Lee Yeon-Ju Kang Ho Park Hyun-Joo Suh Koung-Jin Choi Byung-Se Choe Ghee-Young Kim Chae-Yong
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Abstract
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Ewing sarcoma and peripheral primitive neuroectodermal tumor (ES/pPNET) is an undifferentiated malignant tumor that is most prevalent in children and young adults and often radiologically mimics a meningioma. A 38-year-old female patient visited our hospital with complaints of right-sided tinnitus, right hemiparesis, and imbalance. She underwent preoperative imaging and was subsequently diagnosed as having a meningioma on the petrous ridge. After partial resection, EWSR1-FLI1 gene fusion was confirmed, and she was diagnosed with ES/pPNET. The tumor was successfully treated using a multidisciplinary approach of adjuvant chemo- and radiotherapy. This case is noteworthy because it is an extremely rare case of an intracranial ES/pPNET, and it is worth sharing our clinical experience that the tumor was successfully treated through a multidisciplinary therapeutic approach even though complete resection was not achieved.
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KEYWORD
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Ewing sarcoma, Peripheral primitive neuroectodermal tumor, Meningioma, EWSR1, FLI1
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