Most severe papilloedema is caused by-
Pituitary tumor
Frontal lobe tumor
Posterior cranial fossa tumor
Medulloblastoma
Ans. is 'c' i.e., Posterior cranial fossa tumor Most severe papilledema due to increased ICT is seen in infratentorial posterior fossa midline tumors. o Medulloblastoma is a posterior fossa midline tumor.