“…Single case reports and smaller series have been described from Japan,4 USA,2 910 Norway,3 South Africa,5 7 Italy, 8 and Germany.6 Several groups presented abstracts to the European Congress of Gastrointestinal Endoscopy in Hamburg in 1980 and there have been more recent publications in German. [16][17][18][19][20] Despite this, total world experience probably does not exceed 100 procedures, and most of these have been in children over age 10 years. The youngest child in our series was aged 7 years, since none younger was referred.…”