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What is Infant with blood in stools and mass in abdomen,diagnosis is – a) Intussusceptionb) Volvulusc) Idiopathic abdominal epilepsyd) Hirschsprung's disease and explain in detail?
Causes of rectal bleeding in the infant

Anal fissure                                                         
Intestinal duplication   
Volvulus     
Intussusception
Meckel's diverticulum
Infectious diarrhoea       


Out of these diseases only intussception and volvulus present with an abdominal mass.
Intussusception presents with sausage-shaped mass in the right hypochondrium.