The 87 patients with mediastinal tumors were enrolled and treated by endoscopic surgery in K hospital from 9/2008 to 9/2011, the authors have following results: Thymoma was the most common, accounts for 30 patients (34,5 percent)
mediastinal cysts 24 patients (27,6 percent)
teratoma 18 patients (20,7 percent)
neural tumors 15 patients (17,2 percent). The 66 patients were closely endoscopic operated, 18 patients were VATS operated, only 3 patient had to be converted to open operation accounts for 3,4 percent. The medium sedative drugs using time was 3- 5 days, the medium time of drainage sonde withdraw was 2 days, the medium time of hospitalisation was 6 days. In the study, there is endoscopic surgery induced catastrophere, this is minimal invasive surgery, less postoperative pain, rapide recovery, shortened haspitalisation and cosmetic value. Endoscopic surgery is a tendency in mediastinal tumors recently.