Whole Brain Radiotherapy for Brain Metastases from Breast Cancer
Author Information
Author(s): Viani Gustavo A, Castilho Marcus S, Salvajoli João V, Pellizzon Antonio Cassio A, Novaes Paulo E, Guimarães Flavio S, Conte Maria A, Fogaroli Ricardo C
Primary Institution: Hospital do Cancer, São Paulo, Brazil
Hypothesis
Can stratification systems improve the estimation of survival for patients with brain metastases from breast cancer treated with whole brain radiotherapy?
Conclusion
Patients with brain metastases from breast cancer classified as RPA class I may be effectively treated with local resection followed by whole brain radiotherapy.
Supporting Evidence
- The overall survival rate in 1, 2, and 3 years was 33.4%, 16.7%, and 8.8%, respectively.
- RPA class analysis showed a strong relation with overall survival (p < 0.0001).
- Significant prognostic factors associated with better overall survival included higher KPS, neurosurgery, and absence of extracranial metastases.
Takeaway
This study looked at how well different systems can predict survival for breast cancer patients with brain metastases treated with radiation. It found that some patients can do much better with surgery followed by radiation.
Methodology
The study analyzed medical records of 174 patients with brain metastases from breast cancer who received whole brain radiotherapy, focusing on overall survival and prognostic factors.
Potential Biases
Potential biases in patient selection and treatment administration due to the retrospective nature of the study.
Limitations
The study is retrospective and may not account for all variables affecting survival.
Participant Demographics
Patients had a median age of 57, with a range from 38 to 82 years.
Statistical Information
P-Value
p < 0.0001
Confidence Interval
95%
Statistical Significance
p < 0.0001
Digital Object Identifier (DOI)
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