False about Diffusion-weighted MRI :
Correct Answer: High apparent Diffusion Coefficient
Description: Diffusion-weighted imaging (DWI) Based on Brownian motion of water molecules within a voxel of tissue. When there is Diffusion Restriction-MRI gives a bright signal on DWI images and has low apparent Diffusion Coefficient(ADC value). DW-MRI detects Cytotoxic edema before a Vasogenic edema develops. Lesions showing Diffusion Restriction Infarct(Acute Infarct)- IOC Abscess Medulloblastoma & Other High Cellularity Tumours . Epidermoid Cyst
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