Correlating DWI MRI with pathologic and other features of Jakob-Creutzfeldt disease.

Correlating DWI MRI with pathologic and other features of Jakob-Creutzfeldt disease.
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DOI:
10.1097/wad.0b013e31818323ef
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发表时间:
2009-01
影响因子:
2.1
通讯作者:
DeArmond SJ
DeArmond SJ
中科院分区:
医学4区
文献类型:
--
作者:
Geschwind MD;Potter CA;Sattavat M;Garcia PA;Rosen HJ;Miller BL;DeArmond SJ

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Diffusion-weighted (DWI) MRI is a highly sensitive and specific test for diagnosis of sporadic Jakob-Creutzfeldt disease (sCJD); however, the neuropathological origin of DWI signal abnormalities including other clinical features have not been well-defined. We describe a case of sCJD with brain MRI taken 15 days prior to death, which provided an opportunity to correlate clinical, EEG, MRI and neuropathological findings in order to better understand which sCJD-specific neuropathological changes underlie the DWI abnormalities. Clinical findings correlated well with both EEG and MRI changes. Neuropathological analysis showed that hyperintensities on DWI MRI correlated best with the vacuolation score (r=0.78, p=0.0005) and PrPSc load (r=0.77; p=0.0006), followed by reactive astrocytic gliosis (r=0.63, p=0.008). This case provides further evidence that DWI abnormalities correlate well with the clinical features and with PrPSc accumulation and vacuolation.
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