High Tumour Contamination in Leukaphereses of Lung Cancer Patients
Author Information
Author(s): Perey L, Benhattar J, Peters R, Jaunin P, Leyvraz S
Primary Institution: Centre Pluridisciplinaire d'Oncologie and the Institut de Pathologie, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Hypothesis
The study aims to define appropriate markers for RT-PCR and assess the contamination rate of leukaphereses in small cell lung carcinoma patients.
Conclusion
The study found a high rate of tumour cell contamination in leukaphereses and bone marrow samples from patients with small cell lung carcinoma.
Supporting Evidence
- 34% of leukaphereses showed contaminating tumour cells using ICC staining.
- 78% of leukaphereses showed positive signals using RT-PCR.
- N-CAM was the most reliable marker for detecting contamination.
Takeaway
Doctors checked blood samples from lung cancer patients to see how many cancer cells were mixed in, and they found a lot of them.
Methodology
The study compared immunocytochemistry and RT-PCR methods to analyze leukapheresis products and bone marrow samples for tumour cell contamination.
Participant Demographics
Patients with small cell lung carcinoma, including those with limited and extensive disease.
Digital Object Identifier (DOI)
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