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MR findings reveal

> Restricted diffusion on DWI in the R pons

> Corresponding dark area on ADC maps

> Bright signal on T2WI & FLAIR

> No Bleed

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IMPRESSION

Acute R Pontine Infarct

With normal CT of brain especially in posterior fossa lesions, MRI is the investigation of choice in picking early stroke and scores over CT.

This case illustrates the point with classic features of acute stroke, with restricted diffusion on DWI and corresponding dark areas on ADC maps

Further reading