GH1 and acromegaly: According to the biochemical remission criteria recommended by the Chinese diagnostic and treatment guidelines for acromegaly [17, 18], the postoperative GH (100% vs. 62.1%) and IGF-1 (60% vs. 35.7%) remission rates in the patients with microadenoma who received preoperative SSAs treatment were higher compared with those in the patients who underwent surgery directly.