Prognostic Significance of Vascular Invasion in Breast Cancer
Author Information
Author(s): R. Bettelheim, H.G. Penman, H. Thornton-Jones, A.M. Neville
Primary Institution: Royal Marsden Hospital
Hypothesis
Does the presence of peritumoral vascular invasion provide prognostic information in breast cancer patients?
Conclusion
The presence of cohesive clumps of malignant cells in peritumoral vascular spaces is a significant prognostic factor in breast cancer.
Supporting Evidence
- The presence of tumor emboli in vascular spaces carries a bad prognosis comparable to axillary lymph node involvement.
- Patients with tumors measuring < 3 cm had significantly better disease-free survival than those with tumors > 3 cm.
- Axillary lymph node involvement was associated with a recurrence rate of 54.4%.
Takeaway
This study found that if cancer cells are found in the blood vessels near a tumor, it can mean a higher chance of the cancer coming back.
Methodology
A prospective study analyzing clinical and pathological characteristics of 232 patients with primary invasive breast cancer.
Limitations
The study may not account for all potential prognostic factors and relied on specific histological methods.
Participant Demographics
Mean age of participants was 57.9 years, with 71% post-menopausal.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
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