腦部磁共振灌注檢查之經驗分享－短論

Our Experience with MR Perfusion in a Local Hospital- Short Communication

江秀真(Hsiu-Chen Chiang) ； 賴薇茵(Wei-Yin Lai) ； 石修誠(Hsiu-Chen Shih) ； 倪衍文(Yen-Wen Ni)

《中華放射線技術學雜誌》 41卷4期 (2017/12) Pp. 197-202

摘要

磁振造影不僅可獲得清楚的腦部解剖構造，隨著磁振掃描儀軟硬體的發展，可進一步的應用在評估腦部功能性或代謝性的病症。腦部磁共振灌注造影是一種非侵入性的檢查，利用血液動力學所測量之腦血容積（cerebral blood volume），腦血流量（cerebral blood flow），平均通過時間（mean transit time）以及達峰值時間（time to peak），診斷腦血管疾病（尤其是急性腦梗塞）和其他腦部疾病，亦可用來評估藥物治療之效果。本研究旨在闡述腦部磁共振灌注檢查基本技術的應用，以及經驗之分享。

關鍵字

腦血容積 ； 腦血流量 ； 平均通過時間 ； 達峰值時間

並列摘要

MR imaging has become a powerful clinical tool for evaluation of brain anatomy. Its application has recently expanded into evaluation of brain function via assessment of a number of functional or metabolic parameters. MR perfusion imaging refers to several recently developed techniques used to noninvasively measure cerebral perfusion via assessment of various hemodynamic measurements such as cerebral blood volume, cerebral blood flow, mean transit time, and time to peak. These techniques have great potential in the diagnosis and treatment of patients with cerebrovascular disease and other brain disorders and assessment of treatment effect in patient with acute ischemic stroke. The purpose of this article is to provide an understanding of basic techniques and applications of MR perfusion imaging and share our experience.

並列關鍵字

cerebral blood volume (CBV) ； cerebral blood flow (CBF) ； mean transit time (MTT) ； time to peak (TTP)