This article presents the development of abdominal laparoscopic surgery at the Hospital Guillermo Almenara, since their beginnings, on september 1991, to december 31th 1995; and involve a review of 2750 medical records from patients who underwent this surgery. Cholecistectomy account for 96% of the cases, followed in frequency by inguinocrural hernioplasty (0,88%), splenectomy (0,85%) and cholectomy (0,38%). It is important to underline that there had been an increasing number of surgical procedures (in the field of laparoscopic surgery) other than cholecistectomy, which constituted a little proportion up to 1993: 1,3%, increasing to 2,6% at the ending of 1994, and to 4% at the end of this study. There had been a total of 2465 cases of laparoscopic cholecistectomy, showing a predominance of female patients and a mean age of 44 for females and 51 for males. Convertion index was 4,9%. Tota...