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What are nonenhancing T2 hyperintense lesions and choroid plexus xanthogranulomas?

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Choroid plexus xanthogranulomas are lesions of the choroid plexus of the brain's lateral ventricle. They aren't common and don't easily show up with the standard magnetic resonance imaging, but they are one type of lesion that is hyperintense with the nonenhancing T2 MRI technique, notes the American Journal of Neuroradiology.

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Full Answer

Xanthogranulomas are not usually life-threatening and very rarely occur in a form other than tiny plaques, which are usually found only during autopsy. However, because they show up as T2 hyperintensities, they are similar in observation to areas of demyelination in the brain more synonymous with multiple sclerosis, according to the American Journal of Neuroradiology.

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