“…A primary intussusception is defined as idiopathic, whereas a secondary intussusception has a known cause (Briggs et al, 1961). This known cause generally begins from a pathologic lead point (PLP), such as Meckel's diverticulum, Henoch-Schonlein purpura, the inflamed appendix, endometriosis, a cecal fecalith, a colonic polyp, a ganglioneuroma, a lymphangioma, aberrant pancreatic tissue, a calcium phosphate bezoar, Crohn's disease, and celiac disease (Bosworth and Stein, 1947;Hollinshead, 1956;West et al, 1987;Fildes et al, 1989;Ong and Beasley, 1990;Stringer and Babyn, 2000;Bajaj and Roback, 2003;Matsuba et al, 2003;Kim et al, 2006;Deneve et al, 2008;Mahajna and Krausz, 2009;Soccorso et al, 2009;Theodoropoulos et al, 2009;Gonda et al, 2009).…”