Wahlund Wahlund et al (1990) The brain in healthy aged individuals: MR imaging. Radiology 174:675-679. 1 1.5 2 2.5 3 Image© J Wardlaw, Univ of Edinburgh.

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Wahlund Wahlund et al (1990) The brain in healthy aged individuals: MR imaging. Radiology 174:675-679. 1 1.5 2 2.5 3 Image© J Wardlaw, Univ of Edinburgh PVH and DWMH considered together and rated on a 5-point scale “Focal” not defined; interpreted as diffuse focal lesions 1 = absent 1.5 = small solitary white matter changes 2 = multiple discrete or large solitary white matter changes 2.5 = multiple partly confluent white matter changes 3 = multiple large confluent white matter changes Size of subarachnoid spaces and ventricles 1 = normal width or size 1.5 = normal width or size, slightly enlarged 2 = width or size larger than normal 2.5 = width or size considerably larger than normal 3 = width or size extremely larger than normal Guide prepared by K Ferguson, J Wardlaw © Univ. of Edinburgh