“…Malformations, such as stenosis and diverticulum that hinder the discharge of bile are considered to be found more often in children than in adults (Gehwolf, 1925;Gross, 1936;Bogatko and Mehlman, 1947;Matteson, 1949;Walker, Field and Conen, 1960). In 1954, Forshall and Rickham found stenosis of the cystic duct in three of their six cases.…”