Magnetic resonance imaging in Cushing's disease

MR images (coronal sections) of the sella turcica in the same patient with Cushing's disease. Left: Unenhanced image shows that most of the right side of the pituitary gland is occupied by an area of decreased signal intensity (arrows). Right: Gadolinium-enhanced image more clearly shows a 6 mm microadenoma as an area of decreased signal intensity (arrows).