“…1,[6][7][8][9][10] A number of epidemiological and clinical factors associated with intussusception have been cited in the literature and include age younger than 12 months, male sex, vomiting, abdominal pain, abdominal mass, rectal bleeding, and lethargy. 2,3,7,8,[11][12][13] The 4 symptoms and signs classically described in patients with intussusception (vomiting, abdominal pain, abdominal mass, and bloody stool), however, are present together in fewer than one half of patients with the disease. 3,11 The diagnosis of intussusception is made by air or liquid contrast enema, 1,4,5,[14][15][16][17] or by ultrasound examination.…”