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Radiation-induced Malignant Fibrous Histiocytoma of the Maxillary Sinus in a 25-year-old Patient with Nasopharyngeal Carcinoma: Early MR Imaging Characteristics

鼻咽癌放射線治療後併發上頜竇之惡性纖維組織細胞瘤:早期磁振造影影像特徵

摘要


我們在此報告一位二十五歲因鼻咽癌接受放射線治療後併發上頜竇之惡性纖維組織細胞瘤之早期磁振造影影像的特徵。該腫瘤發生於放射線治療四年又九個月之後。早期磁振造影影像的特徵並無法與足菌腫作鑑別診斷。最後的確定診斷有賴於組織病理切片以及免疫螢光染色等檢查。此病患接受外側鼻腔及內側上頜竇切除後至今未曾覆發。

並列摘要


The early MR imaging characteristics of a malignant fibrous histiocytoma (MFH) in a 25-year-old man under the radiation treatment of nasopharyngeal carcinoma were presented in this study. The tumor developed four years and 9 months following the 3-dimentional conformal radiotherapy of nasopharyngeal carcinoma. Early magnetic resonance imaging features were nonspecific for neoplasm and not distinguishable from mycetoma. Final diagnosis of MFH was achieved based on histopathology and immunohistochemical stains. The patient underwent lateral rhinotomy and medial maxillectomy with the en bloc resection of the tumor with an uneventful postoperative course.

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