Appendicitis Research Today is a free monthly online journal that collates and summarizes the latest research about Appendicitis, including details on symptoms, surgery, causes, treatment. | ||||||||
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Appendiceal Diverticulitis: Diagnosis and Differentiation From Usual Acute Appendicitis Using Computed Tomography.Lee KH, Lee HS, Park SH, Bajpai V, Choi YS, Kang SB, Kim KJ, Kim YH From the *Department of Radiology, Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do; †Department of Pathology, Seoul National University Bundang Hospital; ‡Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul; and §Department of Surgery, Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do, Korea. OBJECTIVE:: To describe the computed tomographic findings of appendiceal diverticulitis. METHODS:: Computed tomography (n = 20) and clinical findings in 23 patients with appendiceal diverticulitis were retrospectively reviewed and compared with those in 23 patients with usual acute appendicitis. RESULTS:: Computed tomography visualized the inflamed diverticula (up to 4 per patient) mostly as small (median, 7.5 mm) round cystic outpouchings at the distal appendix with contrast enhancement at the cyst wall in 16 (80%) patients with appendiceal diverticulitis. In 50% of appendiceal diverticulitis patients, computed tomographic diagnosis of accompanying appendicitis was false positive. Appendicolith was rarely observed in the appendiceal diverticulitis group (5% vs 48%, P = 0.002). No significant difference was observed in the clinical findings except for the patient age (median, 45 vs 31 years; P = 0.001). CONCLUSIONS:: Most appendiceal diverticulitis can be differentiated from usual acute appendicitis at computed tomography by visualization of the inflamed diverticulum. Published 26 September 2007 in J Comput Assist Tomogr, 31(5): 763-769.
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