Preoperative predictors of biochemical remission in somatotroph adenoma resections: a single-institution retrospective review

Important preoperative predictors of postoperative remission for somatotroph adenoma resection include serum IGF-1 level, cavernous sinus invasion, and tumor size. Ninety-five percent of patients who achieved postoperative remission had preoperative 3D tumor volume less than 1.51 cm3.