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We report a case of a cerebral abscess, which ruptured into the ventricular system, including its findings on both diffusion-weighted images and apparent diffusion coefficient (ADC) maps. Purulent material within the left lateral ventricle, similar to that of the central abscess cavity, was strongly hyperintense on diffusion-weighted images. However, variable signal intensity changes were observed on the ADC maps; these probably corresponded to regional variation of the concentration of protein in the purulent material. In this case, both diffusion-weighted mages and ADC maps were important and complementary in the evaluation of ventricular extension of an intracerebral abscess. |
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cerebrospinal fluid,intraventricular
MRI
MRI,abnormal
MRI,ADC maps
MRI,diffusion weighted
ventriculitis
ventriculitis,pyogenic
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