Bone Metastasis as a Predictor of Death in Prostate Cancer
Author Information
Author(s): Noguchi M, Kikuchi H, Ishibashi M, Noda S
Primary Institution: Kurume University School of Medicine
Hypothesis
Can quantifying the extent of bone metastases as a percentage of the positive area on a bone scan predict disease death in patients with advanced prostate cancer?
Conclusion
The percentage of the positive area of bone metastasis (%PABS) is a significant predictor of disease death in patients with advanced prostate cancer.
Supporting Evidence
- The %PABS method showed a good correlation with the number of bone lesions.
- Patients with less than 4.6 %PABS had significantly better disease-specific survival.
- The study included a comprehensive analysis of various prognostic factors.
Takeaway
This study found that measuring how much of the bones are affected by cancer can help doctors predict how long patients with prostate cancer might live.
Methodology
The study reviewed 56 patients with prostate cancer and bone metastasis, using bone scans to quantify the extent of metastasis and correlate it with survival outcomes.
Potential Biases
Potential biases may arise from the retrospective design and the single-institution setting.
Limitations
The study had a small sample size and was retrospective in nature.
Participant Demographics
Patients were newly diagnosed with histologically confirmed adenocarcinoma of the prostate, with a median age of 72 years.
Statistical Information
P-Value
0.016
Confidence Interval
1.199–5.651
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website