Study of daily tissue changes through breast monitoring with time-domain microwave radar

The aim of this study is to monitor daily breast tissue content change, as perceived by our time-domain microwave radar system. We here present results obtained by tracking a healthy patient volunteer through daily breast scans over the 28-day timeframe corresponding to one menstrual cycle. Our system uses a multistatic radar approach, contains 16 wideband antennas, and is integrated into a clinical interface. The resulting data confirm that small variations in the breast tissue are evident over the 28-day period, and that, unlike malignant growths, the changes fluctuate (appear and disappear) over several days.