• Li-Rung Shyung, Shee-Chan Lin, Shou-Chuan Shih, Chin-Roa Kao, and Sun-Yen Chou.
• Division of Gastroen-terology, Department of Internal, Medicine, Mackay Memorial Hospital, 92, Section 2, Chungshan North Road, Taipei, Taiwan, China. luke.skywalk@msa.hinet.net
• World J Gastroentero. 2003 Mar 1; 9 (3): 606-8.

AimTo evaluate systematically our nine-year experience in treating right-sided diverticulitis of the colon, and to explore its clinical and radiological relationship.MethodsThe clinical and radiological data of 40 patients with colonic diverticulitis treated in Mackay Memorial Hospital, Taipei, from 1993 through 2002 were reviewed retrospectively.ResultsThe average age of the patients with right-sided diverticulitis was 53.1 years, which was 11.6 years younger than that of the patients with left-sided diverticulitis. The preoperative diagnosis of appendicitis was made in 8 of 13 right-sided diverticulitis patients. Nine (69 %) had right lower quadrant abdominal pain for more than 48 hours, and ten patients (77 %) presented with fever. CT findings suggesting acute right-sided diverticulitis including thickening of the intestinal wall and pericolonic inflammation were present in five patients.ConclusionRight-sided diverticulitis is easily confused with acute appendicitis because it occurs at a somewhat younger age than that in left-sided diverticulitis. Barium enema and CT are helpful for the early diagnosis of right-sided diverticulitis. While clearly not required in the majority of patients with right lower quadrant abdominal pain, barium enema and CT may be helpful in making the decision with a clinical history or physical examinations atypical of acute appendicitis.

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