Thymidine Kinase Levels in Breast Cancer
Author Information
Author(s): J.F.R. Robertson, K.L. O'Neill, M.W. Thomas, P.G. McKenna, R.W. Blamey
Primary Institution: City Hospital, Nottingham and University of Ulster, UK
Hypothesis
This study examines the relationship between serum thymidine kinase levels and breast cancer stages.
Conclusion
Serum thymidine kinase levels are significantly elevated in breast cancer patients compared to normal controls and reflect the stage of the disease.
Supporting Evidence
- Serum TK levels were significantly higher in patients with systemic breast cancer compared to normal controls.
- Patients with operable breast cancer had elevated serum TK levels compared to normal controls.
- Serial TK measurements reflected response to therapy in patients with systemic breast cancer.
Takeaway
Doctors measured a special enzyme in the blood of breast cancer patients to see how serious their illness was, and found that higher levels meant more advanced cancer.
Methodology
Serum thymidine kinase levels were measured in patients with operable and systemic breast cancer, as well as in normal controls and patients with inflammatory gastrointestinal diseases.
Limitations
The study did not assess the prognostic value of serum TK levels in patients with primary operable breast cancer.
Participant Demographics
Participants included 20 normal controls, 60 patients with operable breast cancer, 20 patients with systemic breast cancer, and 20 patients with inflammatory gastrointestinal diseases.
Statistical Information
P-Value
p<0.005
Statistical Significance
p<0.005
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