,PROCEDURE:  ,The Olympus pediatric variable colonoscope was introduced through the rectum and advanced carefully through the colon to the cecum identified by the ileocecal valve and the appendiceal orifice. 
,PROCEDURE : , The Olympus pediatric variable colonoscope was introduced through the rectum and advanced carefully through the colon to the cecum identified by the ileocecal valve and the appendiceal orifice .