Journal of Korean Society of Medical Ultrasound 1996;15(1): 57-62.
Sonography in Colonic Diverticulitis
Mi Yun Sohn, Byung Hun Choi, Keum Won Kim, Kwi Ryun Kwon, Myung Ah Lim, Sung Soo Kim, Chang Ho Choi
Department of Radiology, Pathology, Sunlin Presbyterian Hospital
ABSTRACT
PURPOSE : To evaluate the sonographic findings and the diagnostic value of colonic diverticulitis. MATERIAL &METHODS : We evaluated the sonograms of 26 patients with colonic diverticulitis retrospectively. The finaldiagnosis was based on the pathologic interpretation of a surgical specimen (5 cases), clinical course (21 cases),on barium enema (12 cases) and colonoscopy (1 case). RESULTS : Twenty-five patients had acute diverticulitis inthe cecum and 1 patient in the descending colon. On sonography, an oval or short tubular focus which protrudedfrom the colonic wall was seen in 23 patients (88%) and the longest diameter were from 0.5 cm to 3 cm (mean 1.4cm). The lesions were echogenic in 8 cases and hypoechoic in 17 cases. Segmental thickening of the colonic wallwas seen in 13 patients (50%), of these, protruding focus was seen in 92%. Pericolic abscess located inposterolateral and medial portion to the colon was seen in 11 patients (42%). Infilitration in pericolic fat(50%), enlargement of pericolic lymph nodes (27%) and small pericolic fluid (8%) were also seen. CONCLUSION : Ourresults show that ultrasonography is useful technique in the diagnosis of colonic diverticulitis and in thedifferentiation from acute appendicitis.
Keywords: Colon, US, Diverticulitis
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