Characterization of a Test for Invasive Breast Cancer Using X-ray Diffraction of Hair-Results of a Clinical Trial.

Objective: To assess the performance of a test for breast cancer utilizing synchrotron x-ray diffraction analysis of scalp hair from women undergoing diagnostic radiology assessment.

Design And Setting: A double-blinded clinical trial of women who attended diagnostic radiology clinics in Australia.

Patients: 1796 women referred for diagnostic radiology, with no previous history of cancer.