Peripheral blood involvement in non-Hodgkin's lymphoma detected by clonal gene rearrangement as a biological prognostic marker
1994

Detecting Lymphoma Cells in Blood as a Prognostic Marker

Sample size: 67 publication Evidence: moderate

Author Information

Author(s): L.R. Hiorns, J. Nicholls, J.P. Sloane, A. Horwich, S. Ashley, M. Brada

Primary Institution: The Institute of Cancer Research and The Royal Marsden Hospital

Hypothesis

Can the presence of lymphoma cells in peripheral blood serve as a biological prognostic marker for patients with non-Hodgkin's lymphoma?

Conclusion

The presence of lymphoma cells in peripheral blood is associated with worse disease control but is not an independent predictor of survival.

Supporting Evidence

  • Clonal gene rearrangement was found in 31% of patients.
  • Patients with circulating lymphoma cells had a 3-year progression-free survival of 17% compared to 75% for those without.
  • The presence of lymphoma cells correlated with advanced disease stages.

Takeaway

Doctors can find lymphoma cells in the blood of some patients, which might mean the disease is more serious, but it doesn't always predict how long someone will live.

Methodology

Peripheral blood samples were analyzed for circulating lymphoma cells using DNA hybridization techniques.

Limitations

The study had a small and heterogeneous patient group, and treatment approaches were not uniform.

Participant Demographics

Patients aged 20-87 years, with 36 males and 31 females.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.05

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