Testing Hair for Breast Cancer Using X-ray Diffraction
Author Information
Author(s): Corino Gary L., French Peter W., Lee Myungae, Ajaj Mariam M., Haklani Joseph, Mistry Dharmica A.H., Phan Kevin, Yuile Phillip G.
Primary Institution: Fermiscan Pty Ltd
Hypothesis
Can X-ray diffraction analysis of scalp hair accurately detect invasive breast cancer in women undergoing diagnostic radiology assessment?
Conclusion
The study confirmed that X-ray diffraction patterns of hair can indicate the presence of breast cancer, and when combined with mammography, they improve detection rates.
Supporting Evidence
- The hair test had an overall accuracy of over 77%.
- The negative predictive value of the hair test was 99%.
- Sensitivity increased from 64% to 86% when combining mammography and X-ray diffraction.
- 74% sensitivity was observed for women under 70 years of age.
- 22% of women without breast cancer had a positive X-ray diffraction pattern.
Takeaway
Scientists tested hair to see if it could help find breast cancer. They found that changes in the hair could show if someone has cancer, especially when used with regular tests.
Methodology
A double-blinded clinical trial was conducted where hair samples were collected from women referred for diagnostic imaging, and X-ray diffraction patterns were analyzed.
Potential Biases
Potential bias due to self-selection of participants and the exclusion of women undergoing chemotherapy.
Limitations
The study may not reflect the true accuracy of the hair test without follow-up data on imaging negatives.
Participant Demographics
Average age of participants was 52, with 80% being Caucasian.
Statistical Information
P-Value
p<0.001
Confidence Interval
3.5388 to 10.7837
Statistical Significance
p<0.001
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