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99mTc labeling white blood cells with a simple technique: clinical application
B Gutfilen1, M P Pellini, J de Roure e Neder
1Departamento de Biofísica e Biometria, Universidade do Estado do Rio de Janeiro, Brasil.
Annals of Nuclear Medicine
|February 1, 1994
Summary
A new, low-cost technique (SnTec) effectively labels white blood cells (WBC) with 99mTc for imaging inflammatory sites. This method shows comparable results to the HMPAO technique for diagnosing conditions like osteomyelitis.
Area of Science:
- Nuclear medicine
- Immunology
- Radiopharmacology
Background:
- Cellular labeling with radionuclides is crucial for in vivo imaging of inflammatory processes.
- Existing methods for labeling white blood cells (WBC) with technetium-99m (99mTc) can be complex or costly.
Observation:
- A novel, cost-effective technique (SnTec) was developed for labeling WBC with 99mTc.
- The SnTec method involves incubating WBC with stannous chloride followed by 99mTc.
Findings:
- Comparative studies in patients with suspected osteomyelitis demonstrated similar diagnostic results between SnTec-labeled WBC and those labeled using the established HMPAO technique.
- The SnTec technique provides a viable alternative for 99mTc-WBC labeling.
Implications:
- The SnTec method offers a simpler and more economical approach for producing radiolabeled WBC for clinical use.
- This technique has potential applications in diagnosing and monitoring various inflammatory diseases.