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Ependymoblastoma: CT and MRI Demonstration

室管膜胚細胞癌:電腦斷層攝影及磁振造影表現

摘要


室管膜胚細胞癌為罕見及高度惡性之腦瘤,為原始神經表皮腫瘤之一種次類型。本文報告一名十四歲室管膜胚細胞癌病患,其電腦斷層攝影及磁振造影顯示一個大腦天幕上、腦室旁之腦瘤,內有囊腫成份及不規則顯影加強之固體成份,同時也顯示局部腫瘤出血及缺乏腫瘤旁水腫。我們認為年青腦瘤病人有類似影像表現時,應把室管膜胚細胞癌列入鑑別診斷內。

並列摘要


Ependymoblastoma is a rare and highly malignant brain tumor considered to be a subtype of primitive neuroectodermal tumors. We presented a case of ependymoblastoma in a 14-year-old girl. CT and MRI showed a large, supratentorial, paraventricular tumor with cystic and irregularly enhancing solid components. Foci of intratumoral hemorrhage and absence of peritumoral edema were also demonstrated. We claimed that ependymoblastoma should be included in the differential diagnosis of a well-circumscribed, large, supratentorial tumor without perifocal edema in a child or young adult similar to this case.

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