38 year old female with transient left sided weakness. Sagittal T1-weighted image (A) shows a subtle hypointense lesion within the pons. Axial T2-weighted FLAIR image (B) demonstrates a hyperintense, expansile mass-like lesion within the right mid pons (white arrow). Axial diffusion weighted trace (C) and apparent diffusion coefficient images (D) reveal slightly increased diffusivity within the lesion compatible with a demyelinating lesion, neoplasm, or subacute infarction.
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BStem CSA: Microstructural Cerebral Damage w/Cerebral Microangiopathy
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