How I do it: horizontal fissure approach to the middle cerebellar peduncle

ConclusionSplitting the horizontal (petrosal) fissure of the cerebellum brings the middle cerebellar peduncle into view behind the root entry zone of the trigeminal nerve, providing an expanded, safe corridor to the central and dorsolateral pons.
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research