Mammary Serum Antigen and Breast Cancer
Author Information
Author(s): J.J. Tjandra, I. Busmanis, I.S. Russell, J.P. Collins, R.G. Reed, I.F.C. McKenzie
Primary Institution: The University of Melbourne
Hypothesis
Does the level of Mammary Serum Antigen (MSA) correlate with histopathological features in localized breast cancer?
Conclusion
The study found that MSA levels are significantly associated with tumor size and immunoperoxidase staining scores in patients with Stage I breast cancer.
Supporting Evidence
- MSA was elevated in about 70% of patients with localized breast cancer.
- The study found a significant association between MSA levels and tumor size.
- 89% of tissue sections from invasive ductal carcinomas showed positive immunoperoxidase staining with the 3E1.2 antibody.
Takeaway
This study looked at a blood test for breast cancer and found that higher levels of a specific antigen are linked to larger tumors.
Methodology
A retrospective study was conducted on serum samples from 85 patients with Stage I breast cancer to measure MSA levels and assess histopathological features.
Limitations
The study did not include all patients with carcinoma-in-situ and had a small number of cases for some histological subtypes.
Participant Demographics
Patients ranged in age from 29 to 72 years.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
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