[Diagnosis using monoclonal antibody imaging in the clinical follow-up of colorectal cancer]
[Article in
Spanish]
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- PMID: 1768746
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[Diagnosis using monoclonal antibody imaging in the clinical follow-up of colorectal cancer]
[Article in
Spanish]
An Med Interna.
1991 Aug.
Abstract
A total of 44 patients with a range of ages between 34 and 72 were studied by immunoscintigraphy. They have surgical treatment for colon and rectum carcinomas. The immunoradiotracer used was a cocktail of F(ab')2 monoclonal-antibodies anti-CEA and CA 19.9. Planar images were obtained 4th, 6th, and 10th days postinjection. In some cases we used digital subtraction of image. Both CEA and CA 19.9 tumor markers were measured in patients serum. The method shows a global high sensitivity (88%), and specificity (92%).
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