Diagnostic and interventional imaging · 2015
Multidetector-row computed tomography (MDCT) features of small bowel obstruction (SBO) caused by Meckel's diverticulum.
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Won Y, Lee H W, Ku Y M, Lee S L, Seo K J, Lee J I, Chung J H
Аннотация
OBJECTIVES: To report the multidetector-row computed tomography (MDCT) findings of small bowel obstruction (SBO) caused by Meckel's diverticulum.
MATERIALS AND METHODS: Ten patients (9 men and 1 woman; age range, 2-44 years; median age, 21years) with surgical proven Meckel's diverticulum who presented SBO on the preoperative MDCT were included in the study.
RESULTS: On MDCT, all patients presented with SBO, either high-grade (n=6) or low-grade obstruction (n=4). Meckel's diverticulum was identified in five patients (n=5, 50%) on preoperative MDCT. In the five patients in whom a diverticulum was not seen on preoperative MDCT, MDCT showed a transition site on ileum with dilated proximal loops (n=3), pneumoperitoneum (n=1), jejuno-jejunal intussusception (n=1). Transition zone was located near midline in four patients (4/5, 80%).
CONCLUSION: The diagnosis of Meckel's diverticulum complicated SBO can be made with certainty when the diverticulum is visualized on preoperative MDCT. However, the preoperative diagnosis is difficult if the Meckel's diverticulum is not noted on the MDCT. When the obstructive processes are visualized in the lower abdomen or pelvis, particularly near the midline, one should keep in mind that SBO may be caused by Meckel's diverticulum without prior surgical history.
MATERIALS AND METHODS: Ten patients (9 men and 1 woman; age range, 2-44 years; median age, 21years) with surgical proven Meckel's diverticulum who presented SBO on the preoperative MDCT were included in the study.
RESULTS: On MDCT, all patients presented with SBO, either high-grade (n=6) or low-grade obstruction (n=4). Meckel's diverticulum was identified in five patients (n=5, 50%) on preoperative MDCT. In the five patients in whom a diverticulum was not seen on preoperative MDCT, MDCT showed a transition site on ileum with dilated proximal loops (n=3), pneumoperitoneum (n=1), jejuno-jejunal intussusception (n=1). Transition zone was located near midline in four patients (4/5, 80%).
CONCLUSION: The diagnosis of Meckel's diverticulum complicated SBO can be made with certainty when the diverticulum is visualized on preoperative MDCT. However, the preoperative diagnosis is difficult if the Meckel's diverticulum is not noted on the MDCT. When the obstructive processes are visualized in the lower abdomen or pelvis, particularly near the midline, one should keep in mind that SBO may be caused by Meckel's diverticulum without prior surgical history.