A patient has acute abdominal pain with blood and mucus in stool

A patient has acute abdominal pain with blood and mucus in stool with palpable mass per abdomen is due to -

1.Meckels diverticulum
2.Volvulus
3.Intussusception
4.Hypertrophic pyloric stenosis

Explanation

A syndrome of colicky pain, passage of blood per rectum and a palpable mass (the intussuscepted segment) is characteristic of intussusception.