<prompt> Enteo-enteric fistula is seen in: March 2011Ulcerative colitisCrohns diseaseBoth of the aboveNone of the above  <response>: Ans. B: Crohns diseaseWith progression of the Crohns disease, adhesions and transmural fissuring, intra-abdominal abscesses and fistula tracts can developEntero-enteric fistulae can occur into adjacent small bowel loops or the pelvic colon 