A 20-year-old female with recent weight gain, menstrual irregularity, headache, worsening acne and dry skin, as well as hypercortisolism, which suppresses with high-dose dexamethasone suppression test. Axial and coronal contrast-enhanced T1 weighted images of a hypoenhancing microadenoma in the floor of the anterior pituitary gland (a and b) (arrows). Coronal contrast-enhanced CT image of the abdomen shows normal adrenal glands (arrows) (c).