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Current status of radioimmunodetection
1Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.
Nuclear Medicine and Biology
|July 1, 1994
Summary
Radioimmunodetection uses radioactive antibodies to diagnose cancer by detecting tumors. This nuclear medicine technique accurately identifies metastatic deposits, aiding in the diagnosis of occult disease.
Area of Science:
- Nuclear Medicine
- Oncology
- Medical Imaging
Background:
- Radioimmunodetection is a nuclear medicine technique for cancer diagnosis.
- It relies on detecting the in vivo localization of radiolabeled antibodies or antibody fragments.
Purpose of the Study:
- To summarize the diagnostic applications of radioimmunodetection in cancer patients.
- To highlight the effectiveness of current tracers and imaging modalities.
Main Methods:
- Utilizes tracers like technetium-99m (99mTc), indium-111 (111In), and iodine-125 (125I).
- Employs high-resolution gamma-camera imaging for common tumors (e.g., colon, lung).
- Applies tracers for intraoperative detection of metastatic deposits.
Main Results:
- Detects 75-90% of metastatic deposits with high specificity.
- Provides crucial diagnostic information, particularly in cases of occult disease (25-40% of patients).
Conclusions:
- Radioimmunodetection is a valuable tool in cancer diagnosis.
- The technique offers significant diagnostic utility, especially for detecting hidden metastatic disease.