Evaluate pituitary gland: headaches. There is a T2 hypointense nodule between the anterior and posterior pituitary lobes that measures up to 6 mm. There is no mass effect upon the optic apparatus or cavernous sinuses. The rest of the intracranial contents are unremarkable.
A T2 hypointense nodule between the anterior and posterior pituitary lobes that measures up to 6 mm may represent a Rathke cleft cyst or perhaps a hemorrhagic microadenoma. 