Detection of isolated cerebrovascular beta-amyloid with Pittsburgh compound B.

Abstract:

:Imaging of cerebrovascular beta-amyloid (cerebral amyloid angiopathy) is complicated by the nearly universal overlap of this pathology with Alzheimer's pathology. We performed positron emission tomographic imaging with Pittsburgh Compound B on 42-year-old man with early manifestations of Iowa-type hereditary cerebral amyloid angiopathy, a form of the disorder with little or no plaque deposits of fibrillar beta-amyloid. The results demonstrated increased Pittsburgh Compound B retention selectively in occipital cortex, sparing regions typically labeled in Alzheimer's disease. These results offer compelling evidence that Pittsburgh Compound B positron emission tomography can noninvasively detect isolated cerebral amyloid angiopathy before overt signs of tissue damage such as hemorrhage or white matter lesions.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Greenberg SM,Grabowski T,Gurol ME,Skehan ME,Nandigam RN,Becker JA,Garcia-Alloza M,Prada C,Frosch MP,Rosand J,Viswanathan A,Smith EE,Johnson KA

doi

10.1002/ana.21528

subject

Has Abstract

pub_date

2008-11-01 00:00:00

pages

587-91

issue

5

eissn

0364-5134

issn

1531-8249

journal_volume

64

pub_type

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