[Extra-mucosa pylorotomy by laparoscopy].

An extramucosal pylorotomy was performed in infants with hypertrophic pyloric stenosis made possible by laparoscopic progress. After performing six cases by laparoscopy, the authors describe what precautionary measures must be taken for the pneumoperitoneum, the instruments utilized, and the advantages of this technique. It appears very likely that laparoscopic pyloromyotomies will become a widespread practice in the future.