Abstract
Introduction: Posterior fossa tumors are the most common solid pediatric neoplasms, and over 60% of these tumors are associated with hydrocephalus, which can be treated through various strategies such as Endoscopic Third Ventriculostomy (ETV), ventriculoperitoneal shunt (VPS), external ventricular drainage (EVD), or direct lesion resection without other diversion methods. The safest and m…