Small bowel magnetic resonance imaging without contrast or gastric intubation: OP30


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Abstract

Aim:Small bowel MRI (sbMRI) without nasogastric intubation is a new imaging modality. It is radiation free, quick to perform and well tolerated. In our centre we use a sbMRI as a method of investigating patients with a range of symptoms in place of barium follow through. We reviewed the indications and findings of sbMRI in a district general hospital.Method:Retrospective analysis of sbMRI performed over 1 year period using standard T2 weighted sequences in two planes, with scanning time of 20 min, following small bowelpreparation but without nasogastric intubation.Results:One hundred twenty-five patients underwent sbMRI. Mean age = 49.9 (range = 8.3- 85.7). Female = 67 (54%), male = 58 (46%). 80.8% of requests were for abdominal pain, diarrhoea (20.8%), vomiting (18.4%) and abdominal distension (15.2%). 34.4% had known inflammatory bowel disease. Using this method bowel wall thickening was detected in 36.8%, inflammation (26.4%), lymph nodes (17.6%), strictures (15.2%). one small bowel tumour was detected.Conclusion:sbMRI is a radiation free, minimally invasive method of investigating abdominal symptoms. It is particularly useful in young patients with chronic conditions in whom lifetime radiation dose should be limited. We have demonstrated that a wide range of pathologies can be detected. It is useful in the assessment of inflammatory bowel disease.

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