Spontaneous Resolution of Pituitary Adenoma after Apoplexy: A Rare Case Report

Resolution of pituitary adenoma after pituitary apoplexy is rare. Even in people with a known pituitary tumor, only 0.6�10 % experience apoplexy; the risk is higher in larger tumors. Ischemia of tumor and pituitary apoplexy are some causes of decrease in tumor size. In addition, for spontaneous resolution, lymphocytic hypophysitis should be considered in the differential diagnosis. Here, we discuss a 42-year-old male diagnosed with a non-functioning pituitary macroadenoma (NFPA) which had almost completely regressed spontaneously after eight months and only small residual pituitary tissue was noted.