Endomicroscopy[96] and indigo carmine chromoendoscopy[97] for the endoscopic diagnosis of MC have also been tested.The severity of symptoms is variable: up to 22% of patients have > 10 bowel movements per day and up to 27% having nocturnal diarrhea[32].Diarrhea may be accompanied by symptoms such as abdominal pain, weight loss, incontinence[88,98-103].