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Radiology, Vol 167, 35-40, Copyright © 1988 by Radiological Society of North America
ARTICLES |
JA Carrasquillo, P Sugarbaker, D Colcher, JC Reynolds, J Esteban, G Bryant, P Perentesis, K Yokoyama, M Rotman and J Schlom
Department of Nuclear Medicine, National Cancer Institute, Bethesda, MD 20892.
Monoclonal antibody (MoAb) B72.3 is reactive with a variety of carcinomas such as colorectal and ovarian carcinoma and not reactive with a range of normal tissues in adults. Twelve patients, ranging in age from 16 to 63 years, with metastatic colorectal or appendiceal carcinoma were studied by means of radioimmunoscintigraphy after injection of 5-10 mCi (185-370 MBq) of iodine-131-labeled B72.3 immunoglobulin G (IgG). Eight of the 12 patients had positive scans. In three of these patients the MoAb scan depicted tumors that were not found by other means. Positive scans had excellent correlation with surgical findings in seven patients and caused underestimation of the extent of disease in one patient. In one patient the scan was technically inadequate and could not be evaluated. In three patients the scan was negative. No adverse reactions were associated with the infusions.
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