White matter lesions and dementia: MRI-pathological correlation.

Abstract:

:An MRI-pathological correlation study was performed to determine the pathological background of white matter lesions depicted on MR images. The pathological findings were various combinations of myelin loss, axonal loss, scattered microinfarcts, astrogliosis, dilatation of perivascular space, and relative preservation of subcortical U-fibers. Concerning the dilated perivascular space, we proposed a new classification according to the present study: (1) état criblé in the basal ganglia and the thalamus, (2) état criblé in the cerebral white matter, (3) enlarged perivascular space of the lenticulostriate arteries, and (4) état criblé in other sites. In conclusion, when effects of white matter lesions on cognitive function are to be evaluated, it is necessary to clarify tissues in at least three sequences: T2-weighted, T1-weighted, and FLAIR method.

journal_name

Ann N Y Acad Sci

authors

Udaka F,Sawada H,Kameyama M

doi

10.1111/j.1749-6632.2002.tb04845.x

subject

Has Abstract

pub_date

2002-11-01 00:00:00

pages

411-5

eissn

0077-8923

issn

1749-6632

journal_volume

977

pub_type

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