A member asked:

Why is pituitary adenoma infratentorial in adult tumors but craniopharyngioma is supratentorial in childhood?

A doctor has provided 1 answer

Sella Turcica: The tentorium cerebelli separates the cerebellum from the cerebrum. Supratentorial means ABOVE the tentorium and Infratentorial means BELOW. The pituitary gland sits in a special area called the hypophyseal fossa or sella turcia which is technically neither. Craniopharyngioma and pituitary adenoma grow SUPRATENTORIALLY in almost all cases, but rarely invade the clivus into the posterior fossa.

Answered 7/10/2017

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