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World J Clin Pediatr. May 9, 2022; 11(3): 270-288
Published online May 9, 2022. doi: 10.5409/wjcp.v11.i3.270
Table 1 Causes of bleeding per rectum in children across different age groups
Up to 2 yr of age
2-5 yr
6-15 yr
Milk allergyPolypsPolyps
Necrotizing enterocolitisAnal fissureAnal fissure
Duplication cystIntussusceptionInfectious enterocolitis
PolypsMeckel diverticulumInflammatory bowel disease
Anal fissureInfectious enterocolitisHenoch-Schönlein purpura
IntussusceptionBleeding diathesisHemolytic-uremic syndrome
Hirschsprung disease related enterocolitisHenoch-Schönlein purpuraBleeding diathesis
Meckel diverticulumHemolytic-uremic syndromeAngiodysplasia
Infectious enterocolitisAngiodysplasiaLymphonodular hyperplasia
Bleeding diathesisLymphonodular hyperplasiaExtrahepatic portal venous obstruction
Extrahepatic portal venous obstruction