| 2 | Diffusion and Perfusion MRI in Acute Cerebral Ischemia显示文摘Recent advances in magnetic resonance imaging (MRI), in particular diffusion weighted imaging (DWI) and perfusion weighted imaging (PWI), have allowed clinicians to have the ability to differentiate between irreversible cerebral infarction and the potentially reversible ischemic penumbra. This article examines the principles and practice of DWI and PWI. With continued advances in thrombolysis and other therapy for acute cerebral ischemia, neuroimaging is poised to play an increasingly important role in decisionmaking in acute stroke. | Tchoyoson CC Lim,Chong Tin Tan theDepartmentofNeuroradiology(TCCLim),NationalNeuroscienceInstitute,Singapore,andtheDepartmentofMedicine(ChongTinTan),UniversityofMalaya | 2001 | 国外医学(脑血管疾病分册)2001，9，2： | 0 |
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