Keywords: پلیپ; Invagination intestinale aiguë; Hyperplasie lymphoïde; Diverticule de Meckel; Lymphome de Burkitt; Purpura rhumatoïde; Polype; Acute intussusception; Lymphoid hyperplasia; Burkitt lymphoma; Meckel's diverticulum; Henoch-Schonlein purpura; Polyp;