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Pituitary Macroadenoma - Case 5

A 38 year-old woman developed amenorrhea and headaches. On laboratory testing, her prolactin level was elevated.

Show the Tumor         Note the Normal Location of the Optic Chiasm          Show the Gadolinium Enhancement

Sagittal MRIs. (Left) T1-weighed image; (Right) T1-weighted with gadolinium. Note the large enhancing mass which fills the sella. This is the typical appearance of a small pituitary macroadenoma that is growing beyond the sella. The optic chiasm can be seen above and is not yet affected. Macroadenoma was typically designated as tumors larger than 10 mm.

Revised 05/17/06