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  Vol. 127 No. 9, September 1992 TABLE OF CONTENTS
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Detection of Occult Tumor Using Indium 111–Labeled Anticarcinoembryonic Antigen Antibodies

Samuel E. Halpern, MD; Robert O. Dillman, MD; Diane Amox, RN; Phillip L. Hagan, MS; Ron Burks; Jacquelyn Dillman, RN; Barbara Perdikakis, RN; Bruce Merchant, MD, PhD; James Frincke, PhD

Arch Surg. 1992;127(9):1094-1100.


Abstract



• Even with the advancement of radiologic techniques, metastatic cancers can still be difficult to detect. In this study, 48 patients suspected of having occult metastases were studied by radioimmunodetection following the administration of 92.5 to 181.3 MBq of indium 111–labeled monoclonal anticarcinoembryonic antigen antibody. All but seven patients were thought to have metastatic colorectal carcinoma. In the majority of cases, physical examinations and computed tomographic scans had failed to detect a lesion. At least one lesion that was later proved to exist was detected in 34 of the 50 studies performed on these patients. Seven of eight patients with normal radioimmunodetection scans remain free of disease. One hundred one sites were detected overall; 60 were considered true-positive sites and 27 false-positive sites. Fourteen sites remained in question. Nineteen false-negative sites occurred. Radioimmunoimaging appears valuable for the detection of occult cancer where standard, noninterventional techniques have failed to detect the suspected disease.

(Arch Surg. 1992;127:1094-1100)



Author Affiliations



Sally Schweighardt

From the Department of Nuclear Medicine, Veterans Affairs Medical Center, San Diego, Calif (Dr Halpern and Messrs Hagan and Burks); Departments of Radiology (Dr Halpern and Ms Perdikakis) and Medicine (Dr R. Dillman and Mss J. Dillman and Amox), University of California, San Diego; and the Division of Therapeutics, Hybritech Inc, San Diego, Calif (Drs Merchant and Frincke and Ms Schweighardt). Drs Merchant and Frincke and Ms Schweighardt had a financial interest in Hybritech Inc, at the time this research was performed.


Footnotes



Accepted for publication January 11, 1992.

Reprint requests to Department of Veterans Affairs Medical Center, Nuclear Medicine Service (115), 3350 La Jolla Village Dr, San Diego, CA 92161 (Dr Halpern).



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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES

The Use of Monoclonal Antibodies for Radioscintigraphic Detection of Cancer
Harwood and Abdel-Nabi
Journal of Pharmacy Practice 1994;7:93-116.
ABSTRACT  





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