Pituitary fossa

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(Anat.) the ephippium.

See also: Pituitary

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This is a surgery performed to remove a tumor from the pituitary fossa usually originating from the pituitary gland," Dr.
IVa: Tumor is an intracranial intradural mass that does not infiltrate the cavernous sinus, pituitary fossa, or optic chiasm.
MRI of the brain showed an enhancing soft tissue mass extending from the left sphenoid sinus posteriorly to involve the clivus, cavernous sinus, pituitary fossa and the prepontine space.
Magnetic resonance imaging of the brain and pituitary gland revealed normal pituitary fossa, pituitary gland, stalk, and rest of the brain.