Potential of SeHCAT retention as an indicator of terminal ileal involvement in inflammatory bowel disease.
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| Abstract |
The absorption of 75Se-23-selena-25-homotaurocholate (SeHCAT) was compared with vitamin-B12 absorption and conventional radiography in 44 patients with inflammatory bowel disease. The retention of SeHCAT was normal in 11 patients with ulcerative colitis but was abnormally low in 9 patients with terminal-ileal resection, 9 out of 14 patients with small-bowel Crohn's disease and in 2 out of 10 patients with Crohn's colitis. The 5 patients with small-bowel Crohn's disease and normal retention had either inactive disease or no radiological evidence of terminal ileal involvement. Measurements of the absorption of vitamin B12 did not discriminate between these groups, and there was very poor correlation between B12 and SeHCAT absorption (r = 0.506, P less than 0.05). There was extremely good correlation of SeHCAT retention measured using a wholebody counter with that measured using an uncollimated gamma camera (r = 0.96, P less than 0.001). The results suggest that SeHCAT retention may prove complementary to conventional methods of assessing small-bowel disease in patients with inflammatory bowel disease. As measurement by gamma camera is feasible, this test can be used in most departments of nuclear medicine.
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| Authors | G Holdstock, G Phillips, T K Hames, B R Condon, J S Fleming, C L Smith, D M Ackery |
| Journal | European journal of nuclear medicine (Eur J Nucl Med) Vol. 10 Issue 11-12 Pg. 528-30 ( 1985) ISSN: 0340-6997 [Print] Germany |
| PMID | 4029210 (Publication Type: Comparative Study, Journal Article) |
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