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相關文獻
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頁籤選單縮合
題 名 | MRI Features of Spinal Intramedullary Cavernous Hemangiomas=脊髓內海綿狀血管瘤的磁振造影表現 |
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作 者 | 黃敏政; 萬永亮; 吳樹鏗; 衛優遊; 嚴寶勝; | 書刊名 | 中華放射線醫學雜誌 |
卷 期 | 25:4 2000.08[民89.08] |
頁 次 | 頁141-145 |
分類號 | 416.292 |
關鍵詞 | 脊髓腫瘤; 血管瘤; 磁振造影; Spinal cord neoplasm; Hemangioma; Magnetic resonance imaging; MRI; |
語 文 | 英文(English) |
中文摘要 | 脊髓內海綿狀血管瘤為罕見之血管畸形病變,為研究其磁振造影表現,我們回朔整理五位脊髓內海綿狀血管瘤患者(其中男女比例為3:2,年齡分佈為18-54歲)之磁振造影影像,並分別針對訊號強度及注射對比劑後的顯影特徵作進一步分析。在T1-weighted影像中,一例表現出高訊號強度,一例為等訊號強度,另3例則參雜高與低訊號強度;在T2-weighted影像中,4例表現高訊號強度,其周圍組織則呈現低訊號強度,1例則呈現微弱的高訊號強度。注射顯影劑後,其中一例有強烈的對比增強,一例則較不強烈。總結來說,脊髓內海綿狀血管瘤在磁振造影影像的表現上有混雜高低訊號強度的特徵,藉此特徵可對此種罕見的血管病變作出早期診斷及治療,避免不可逆的神經系統傷害。 |
英文摘要 | To study the magnetic resonanceimaging (MRI) features of spinalintramedullary cavernoushemangiomas (SICHs), we reviewedMR images of 5 patients ( 3 malesand 2 females; age range: 18-54years) with histologically provenspinal intramedullary cavernoushemangiomas. The MR images wereobtained at 1.5 tesia and analyzedwith respect to signal intensitiesand contrast enhancement patternsof the lesions. The locations of thelesions were cervical in 1 patient,thoracic in 2, and cervicothoracicin 2. One lesion showed high signalintensities, 1 showed isointensity,and 3 showed mixed high and lowsignal intensities on T1-weightedimages. On T2-weighted images, 4lesions showed high signal intensitywith surrounding hypointensity,and 1 lesion revealed faint highsignal intensity. One lesion revealedexpansion of the spinal cord. Aftergadolinium-DTPA administration,strong enhancement was seen in 1lesion and mild in another. Inconclusion, SICH has characteristicMRI findings of mixed hyper- andhypointensities which allow earlyrecognition of this rare vascularmalformation as well as earlytreatment that can prevent furtherneurological deterioration. |
本系統中英文摘要資訊取自各篇刊載內容。