Pituitary adenomas are tumors that develop in the pituitary gland.
Etiology: Unknown.
Clinical presentation: hormonal imbalances, visual disturbances.
Microadenomas – less than 10mm
Macroadenomas -greater than 10mm
MRI appearance:
T1: Hypointense
T2: Unpredictable variable signal
T1 contrast enhanced: Hyperintense