Evaluate adenoma size change: worsening headache. There is interval decrease in size of the lesion within the sella, which measures up to 3 mm in craniocaudal dimension, previously 7mm. The lesion now appears T1 hypointense and does not display enhancement. There is no mass effect upon the cavernous sinuses or optic apparatus. The infundibulum remains slightly deviated to the right.
Interval decrease in size of the treated pituitary adenoma with evolution of the signal characteristics. 