“…Hamartomas of the liver are important as they are clinically indistinguishable from neoplasms. Both hepatoblastoma and hamartoma present with an abdominal mass or distension, and are most commonly seen in the first 2 yr of life (Maresch, 1903;Benson and Penberthy, 1942;Kay and Talbert, 1950;Symmers and Ward-McQuaid, 1950;Christopherson and Collier, 1953 ;Packhard and Palmer, 1955;Edmonson, 1956;Grime et al, 1959;Stephens and Jenevein, 1965;Ishida et al, 1966;Sutton and Efler, 1968). The combined experience of these authors shows an equal sex incidence, unlike the male preponderance recorded here.…”