Article ID Journal Published Year Pages File Type
9390798 Journal de Radiologie 2005 17 Pages PDF
Abstract
Diffusion-weighted MR imaging is a technique in which image contrast is determined by the motion of water molecules within tissues. This motion is characterized by the apparent diffusion coefficient (ADC). This technique is particularly useful for the early detection of cerebral infarction but many other diseases of the central nervous system are associated with a change in water diffusion and may be assessed by diffusion-weighted MR imaging. This is an easy and fast pulse sequence providing useful data for early diagnosis and prognosis as well as information about underlying pathophysiology. After an overview of the basic concepts of diffusion imaging and the knowledge required for image interpretation, we will assess the potential value of this technique for the diagnosis of the main diseases of the central nervous system.
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