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Clinical evolution in an outpatient series with indeterminate colitis
G Riegler1, A Arimoli, P Esposito
1Department of F. Magrassi, Second University of Naples, Italy.
Purpose:
Diagnosis of indeterminate colitis, which is mainly based on histologic criteria, could represent either an interlocutory or a definite classification within inflammatory bowel diseases. A later evaluation could allow elimination of cases with transient attacks of colitis and the eventual change of diagnosis to that of ulcerative colitis (UC) or Crohn's disease of the colon in some other patients.
Methods:
A clinical follow-up study for a mean of 64 months was performed in 37 patients with inflammatory bowel disease with an initial diagnosis of indeterminate colitis.
Results:
At the end of the follow-up period, 21 patients complained of persistent symptoms, and in 13 of these patients, endoscopic and histologic evolution of colitis was controlled. In four patients with initially a normal endoscopy, the pattern of normality was confirmed also on a histologic basis at the end of the follow-up. In seven of the remaining nine patients with an initial UC-like endoscopic picture, the UC diagnosis was made eventually also on a histologic basis.
Conclusions:
A closer monitoring, as with UC patients, could be recommended only in moderate patients with indeterminate colitis, with an initial UC-like endoscopic picture.