动脉自旋标记技术及其应用

Clinical applications summary of arterial spin labeling technique

动脉自旋标记(arterial spin labeling,ASL)技术是一种利用磁共振标记血液作为内源性对比剂,进行灌注评估的检查方法。具有简单易行、不需要造影剂、无辐射等优点。本文主要介绍ASL的原理、发展状况以及在以颅脑为主的全身多器官中的应用及发展趋势。

Arterial spin labeling technique is a kind of detection method for the assessment of perfusion which utilizes magnetic resonance marked blood as endogenous contrast .The advantages of this examination method including easy access , without the need of contrast injection , no radiation etc .This article is aimed at introduce the theory , the development status of ASL and the application and development trend of ASL in various organs.