Significance of S-phase fraction and hormone receptor content in the management of young breast cancer patients
1992

Hormone Receptor and DNA Analysis in Young Breast Cancer Patients

Sample size: 336 publication Evidence: moderate

Author Information

Author(s): 0. Stal, J. Carstensen, T. Hatschek, B. Nordenskjold

Primary Institution: Department of Oncology, University Hospital, Linkoping, Sweden

Hypothesis

Can hormone receptor content and S-phase fraction predict recurrence in young breast cancer patients?

Conclusion

Hormone receptor assays and DNA flow cytometry are useful tools in managing breast cancer in patients under 50 years of age.

Supporting Evidence

  • 66% of tumors were positive for estrogen receptors.
  • 60% were progesterone receptor positive.
  • 42% showed DNA diploid profiles.
  • 7% of tumors were DNA hypodiploid, especially in patients aged 40 years or less.

Takeaway

This study looked at young women with breast cancer and found that certain tests can help doctors understand how likely the cancer is to come back.

Methodology

Patients under 50 diagnosed with primary breast cancer were analyzed for hormone receptor content and S-phase fraction using DNA flow cytometry.

Limitations

The study may not be representative of all breast cancer patients as it focused on a specific age group and region.

Participant Demographics

Women under the age of 50 diagnosed with unilateral breast cancer.

Statistical Information

P-Value

p = 0.07

Statistical Significance

p<0.05

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