In-vivo tissue optical properties derived by linear perturbation theory for edge-corrected time-domain mammograms

Area of Science:

• Biomedical Optics
• Medical Imaging
• Breast Cancer Detection

Background:

• Optical mammography offers a non-ionizing imaging modality for breast cancer detection.
• Analyzing time-domain mammograms requires robust methods to interpret complex light-tissue interactions.
• Accurate quantification of optical properties is crucial for diagnostic sensitivity.

Purpose of the Study:

• To present a novel computational method for analyzing time-domain optical mammograms.
• To map perturbations in scattering and absorption coefficients within the female breast.
• To validate the method's efficiency and accuracy in slab-like geometries.

Main Methods:

• Development of a method based on linear perturbation theory.
• Inclusion of edge correction to account for boundary effects.
• Application of a computationally efficient point model for mapping optical properties.
• Analysis of time-domain optical mammograms acquired in a slab-like breast geometry.

Main Results:

• Successful mapping of perturbations in scattering and absorption coefficients.
• Demonstration of the method's computational efficiency.
• Validation of the linear perturbation approach with edge correction.
• Quantitative analysis of optical properties in simulated or experimental mammograms.

Conclusions:

• The described method provides a valuable tool for analyzing optical mammograms.
• The approach enables efficient and accurate mapping of optical property perturbations.
• This technique holds potential for improving breast cancer detection through optical imaging.