McKittrick-Wheelock syndrome : a rare cause of diarrhea

McKittrick-Wheelock syndrome is a rare disorder caused by fluid and electrolyte hypersecretion from the rectal tumor. The most reported were villous adenomas. Dehydration with severe hyponatremia, hypokalemia, metabolic acidosis, acute renal failure and watery diarrhea is typical. The authors present a case of McKittrick-Wheelock syndrome due to rectal adenocarcinoma.