Figure 2

DOSI results of subject #5, IDC in the left breast, breast density BI-RADS 4. (A) Mammogram, left medio-craniocaudal view. The arrow highlights the tumor location. (B) Schematic representation of the DOSI measurement in the ipsilateral breast. (C) TOI map of the ipsilateral breast. (D) STC index map of the ipsilateral breast. (E) TOI values in tumor, areola and normal tissue of the ipsilateral breast. (F) STC index values in tumor, areola and normal tissue of the ipsilateral breast. (G) TOI map of the contralateral breast. (H) STC index map of the contralateral breast. The square represents the nipple location. The areolas are highlighted with the solid line circle, and the tumor by the dash line circle. BI-RADS, Breast Imaging Reporting and Data System; DOSI, Diffuse Optical Spectroscopic Imaging; STC, Specific tumor component; TOI, Tissue optical index.