Keywords
epidermoid cyst - trigeminal - neuralgia - technique
Fig. 1 Axial diffusion weighted and axial T2 B-FFE MRI demonstrating a diffusion restricting lesion in the right cerebellopontine angle compressing the root entry zone of the right trigeminal nerve and indenting the pons. B-FFE, balanced fast field echo; MRI, magnetic resonance imaging.
Fig. 2 A right retrosigmoid craniectomy demonstrated a pearly white, friable lesion (arrows) compressing and encasing the trigeminal nerve (*) that was diagnosed as an epidermoid cyst on pathology.
www.thieme.com/skullbasevideos
www.thieme.com/jnlsbvideos
