多发性硬化的影像学特征网页资料.docVIP

The Radiology Assistant HomeAbdomenBreastCardiovascularChestHead NeckMusculoskeletalPediatricsNeuroradiologyMiscellenousCasesTop SitesNewsletter Multiple Sclerosis by Frederik Barkhof and Robin Smithuis From the MR Center for MS Research, Radiology Department of the Vrije Universiteit Medical Center, Amsterdam and the Rijnland Hospital, Leiderdorp, the Netherlands Introduction Multiple sclerosis Typical MRI findings in MS Dawson fingers Mc Donald criteria for MS MRI protocol MS Brain Protocol MS Spinal cord Protocol Prevalence and a priori chance Reporting Differential diagnosis of WMLs DD multiple patchy lesions DD multiple enhancing lesions Virchow Robin spaces Normal Aging Vascular disease Sarcoid Lyme disease HIV Cadasil Addendum 2005 Revised McDonald MS Diagnostic Criteria Fazekas classification back to overview??? print Publicationdate: 1-2-2007 This review is based on a presentation given by Frederik Barkhof at the Neuroradiology teaching course for the Dutch Radiology Society and was adapted for the Radiology Assistant by Robin Smithuis. This presentation will focus on the role of MRI in the diagnosis of Multiple Sclerosis.We will discuss the following subjects: Typical findings in MS Role of MR in the McDonald criteria of MS How to differentiate MS lesions from other white matter diseases The importance of the a priori chance for the differential diagnosis of white matter lesions. ? Introduction Multiple white matter lesions. MS or vascular? One of the most common questions in daily radiology practise, when we see an image like the one on the left is: Do we have to think of Multiple Sclerosis or are these white matter lesions the result of small vessel disease, for instance in a hypertensive patient or should we think of more uncommon diseases? In order to be able to answer that question, we have to realise that when we study white matter lesions (WMLs): Many neurological diseases can mimic MS both clinically and radi