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題 名 | 以磁振造影研究出血性腦中風之腦內其他病灶=Mrl Detects the Concomitant Lesions of Hemorrhagic CVA |
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作 者 | 沈戊忠; 陳東明; 李正淳; | 書刊名 | 中國醫藥學院雜誌 |
卷 期 | 7:3 1998.09[民87.09] |
頁 次 | 頁53-57 |
分類號 | 415.922 |
關鍵詞 | 腦; 磁振造影; 腦出血; Brain; Magnetic resonance imaging; MRI; Intracerebral hemorrhage; ICH; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究乃針對腦內出血的中風患者,予做gradient echo T2*WI檢查,期望能找出以前曾出血過的可能性。我們使用Philip 0.5T MRI機器,對11例腦內出血患者做spin echo的T1WI,T2WI及gradient echo T2*WI。這11例中,5例可發現除急性出血外,另有多處hemosiderin沉積,表示以前也曾有微量,沒有徵狀的出血。Gradient echo可清楚看到這5例hemosiderin沉積之處,而spin echo T2WI只看到3例較大出血,對於hemosiderin沉積gradient echo T2*WI較spin echo T2WI敏感。另外10例相同年齡層,但無腦內出血的對照組中,並未發現有hemosiderin沉積,這顯多數示出血性中風患者以前曾經有過小出血。 |
英文摘要 | There is a high incidence of spontaneous intracerbral hemorrhage in the Chinese population, most of these patients have hypertension, diabetes mellitus and uremia. However, the absence of the above factors also implies other causes, like amyloid angiopathy or other unknown causes? In this report, we studied 11 patients who recently have hemorrhagic CVA, we tried find any correlated intracranial lesions. We did MR sequences of T1WI (TR/TE 500/20msec), long TR images:PDI(TR/TE 2000/30 msec), T2WI(TR/TE 2000/80msec), and a special gradient echo T2*WI (TR/TE/flip angle: 300/20/100) to detect minimal hemosider in deposition of old bleeding. In thes 11 patients, 5 of them were found had small hemosider in depositions, by gradient echo T2*WI, in addition to the new hemorrhage, the hemosider in depositions reflected the possibility of previous subclinical intracerebral hemorrhages. Using spin echo T2WI, only 3 patients were found to have hemosider in depositions. Therefore, the gradient echo T2*WI was more sensitive than spin echo T2WI for detecting hemosider in deposition. There were 10 patients, aged from 50 to 75 years old, without hemorrhagic type of CVA, also received MRI of brain by the same protocol as a comparison. There was no hemosider in deposition. So, the results disclosed those patients had hemorrhagic type CVA always had previous subclinical hemorrhages. |
本系統中英文摘要資訊取自各篇刊載內容。