<prompt> Recurrent obstruction, mass per rectum and diarrhoea in child -IntussusceptionRectal prolapseInternal herniaHaemorrhoids  <response>: Answer is a i.e. Intussusception Although I could not find any documented evidence of diarrhoea in Intussusception, the given picture goes with intussusception only. Intussusception has been seen to complicate cases of gastroenteritis Nelson 17e p1242. Probably this can explain the diarrhoea. 