Fig. 1. Photoacoustic signal generation and imaging process.
Fig. 2. Illustration of photoacoustic signal detection process. (a) Laser irradiation into biological tissue (b) Photoacoustic signal generation and detection.
Fig. 3. Photoacoustic imaging result of breast microcalcifications.[16] Reproduced from J. Kang et al. J. Biophotonics 2015, https://doi.org/10.1002/jbio.201 300100,[16] according to the Copyright Clearance Center.
Fig. 4. Breast imaging with the Twente photoacoustic mammoscope.[20]
Fig. 5. SBH-PACT of healthy breast image.[17]
Fig. 6. Detection of sentinel lymph node using photoacoustic imaging. (a) Injection of contrast agent into the primary tumor (b) Detection of photoacoustic signals from a contrast agent flowing to a sentinel lymph node by irradiation with a near-infrared laser.
Fig. 7. Ultrasound and LAND-localized images of in vivo murine SLN by time.[31] Reproduced from H. Yoon et al. Med Phys 2017, https://doi.org/10.1002/mp.12269[31], according to the Copyright Clearance Center.
Table 1. Features of imaging systems used for sentinel lymph node biopsy.
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