<prompt> Which of the following is the derivative of tumor from Rathkes pouch?MeningiomaCraniopharyngiomaEpendymomaLow grade glioma  <response>: Ans. B CraniopharyngiomaRef: Grays Anatomy E-Book 2015 ed. P 431 In embryogenesis Rathkes pouch is an evagination at the roof of the developing mouth in front of buccopharyngeal membrane. It gives rise to anterior pituitary adenohypophysis. Craniopharyngioma are benign cystic lesions derived from Rathkes pouch, most frequently in children. It is associated with hypopituitarism, growth retardation and diabetes insipidus. Clinical features: Raised ICT Presents before 20 years of age Visual field abnormalities Weight gain Cranial nerve damage Investigation: MRI is superior to CT. 