The aim of the paper is to present an unusual case of ectopic posterior fossa craniopharyngioma
after repeated surgeries for primary suprasellar tumor. The clinical condition of
the patient favored minimally invasive neuroendoscopic surgery. After presurgical
planning with the help of neuronavigation system a trajectory from the contralateral
side through the cisterna magna was chosen. Endoscopic cyst fenestration and cyst
wall resection were safely performed with an excellent outcome. The possible origin
of this posterior fossa craniopharyngioma is discussed together with tumor dissemination
pathways. The endoscopic contralateral approach to the tumor utilized the wide working
space provided by the cisterna magna and the great versatility of the navigated neuroendoscopic
approach was proven.
posterior fossa craniopharyngioma - neuronavigation - endoscopy