Laboratory evaluation with a serum prolactin for small tumors is cost effective ... abutting the optic chiasm, and consistent with the diagnosis of pituitary macroadenoma. He is otherwise ...

Pituitary tumors exhibit a spectrum of biology ... and visual-field disturbances due to stretching of the overlying optic chiasm. They can invade downward into paranasal sinuses, laterally ...

with suprasellar extension and optic chiasma compression causing bitemporal emianopsia. To exclude the association of a pituitary adenoma that secretes prolactin with a syndrome of 'resistance to ...

This symptom is often associated with tumors located in or around the pituitary gland, which can compress the optic chiasm, leading to bitemporal hemianopsia (loss of vision in the outer half of ...