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  • Title: Technetium-99m nanocolloid for the scintigraphic assessment of inflammatory bowel disease in the colon: its value in comparison with indium-111-labelled granulocytes.
    Author: Arndt JW, van der Sluys Veer A, Blok D, Griffioen G, Verspaget HW, Peña AS, Lamers CB, Pauwels EK.
    Journal: Eur J Radiol; 1991; 12(1):30-4. PubMed ID: 1999206.
    Abstract:
    The usefulness of 99mTc-nanocolloid for the assessment of localization and disease activity of colitis in patients suffering from inflammatory bowel disease (IBD) was investigated in 10 patients. Results of 99mTc-nanocolloid scintigraphy were compared with Indium-111 autologous granulocyte scintigraphy and the activity index according to Van Hees. In none of the patients a true positive result of the 99mTc-nanocolloid scintigraphy was encountered, while 111In-granulocyte scintigraphy was positive in 7 of 10 patients with active disease. Radioactivity became visible in the small bowel starting 2 h after injection of 99mTc-nanocolloid most likely because of excretion by the liver of degradation products of the radiopharmaceutical. The authors conclude that despite a previous communication 99mTc-nanocolloid cannot replace 111In-granulocytes for the assessment of IBD patients with active colitis.
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