What are Craniopharyngiomas?

10% of childhood brain tumors, bimodal age (5-14 or 50-75 years), embryonic squamous remnant of rathke's pouch, may be large (>10cm) and invade third ventricle. Cystic mass (rich in cholesterol, calcification, hCG, squamous epithelium islands) Increase intracranial pressure (headache, projectile vomiting, papilledema, somnolence) for children For adults visual disturbance, and cavernous sinus involvement