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A 47 year-old woman developed progressive headaches and difficulty with vision. On examination, she was found to have a dense bitemporal hemianopsia.
(Left) Sagittal T1-weighted MRI; (Right) Sagittal T1-weighted with gadolinium. Note the large enhancing mass in the region of the sella which is growing up and displacing the optic chiasm and hypothalamus. Surgical resection demonstrated a large pituitary adenoma.
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