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Magnetic Resonance Imaging of Intramedullary Epidermoid Cyst of Low Thoracic Spinal Cord: A Case Report

胸椎末端脊髓內表皮樣囊腫在磁振造影之表現:病例報告

摘要


脊髓內表皮樣囊腫並不常見,約略只佔所有成年人脊髓內腫瘤的1%不到。我們報告一個74歲女性病例,症狀為近三個月來有漸進式行走困難及感覺異常,磁振造影看到胸椎末端脊髓內(第十一胸椎)有一水囊狀腫瘤,呈現出T1W1低訊號,T2W1高訊號,在注射完顯影劑後出現病兆週邊訊號變化,後來病人接受手術切除腫瘤,病理證明為脊髓內表皮樣囊腫。當一病人發現有脊髓內水囊狀腫瘤,有上述影像學的表徵時,應將脊髓內表皮樣囊腫列入鑑別診斷。

關鍵字

表皮樣囊腫 脊髓 囊腫 脊髓 磁振造影

並列摘要


Intramedullary epidermoid cysts of the spinal cord are rare tumors. They are slow-growing tumors. We report a case of a 74-year-old patient presenting with thoracic spinal cord compression syndrome (T11-12). The magnetic resonance imaging (MRI) showed an intramedullary cystic mass. It demonstrated low signal intensity on Ti- and high signal intensity on T2-weighted images, with minimal peripheral enhancement following intravenous gadolinium diethylene-triamine-penta-acetic-acid (Gd-DTPA) administration. After surgical removal of the tumor, the pathology confirmed the diagnosis of spinal epidermoid cyst.

並列關鍵字

Epidermoid cyst Spinal cord cyst Spinal cord MR

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