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Neuroradiology board review. This lecture is geared towards the ABR core exam for residents, but it would be useful for review for the ABR certifying exam or certificate of added qualification (CAQ) exam for neuroradiology. In this patient with trigeminal neuralgia, there is a mass in the left cerebellopontine angle which is causing mass effect on the pons and cerebellar peduncle. Its imaging appearance is close to that of CSF on all sequences except diffusion weighted imaging (DWI), on which it is bright.
