Guidance of lymphaticovenous anastomosis using LED-based photoacoustic lymphangiography: a human volunteer study

Mithun Kuniyil Ajith Singh; Naoto Sato; Fumiyuki Ichihashi; Tetsuji Uemura; Yoshiyuki Sankai

doi:10.1117/12.2610025

3 March 2022 Guidance of lymphaticovenous anastomosis using LED-based photoacoustic lymphangiography: a human volunteer study

Mithun Kuniyil Ajith Singh, Naoto Sato, Fumiyuki Ichihashi, Tetsuji Uemura, Yoshiyuki Sankai

Author Affiliations +

Proceedings Volume 11960, Photons Plus Ultrasound: Imaging and Sensing 2022; 119600R (2022) https://doi.org/10.1117/12.2610025
Event: SPIE BiOS, 2022, San Francisco, California, United States

Conference Poster

Abstract

Lymphaticovenous anastomosis (LVA) is a surgical method of redirecting excess lymphatic fluid into the venous system to improve the lymphatic flow and prevent the recurrence of edema. In this work, using phantom and human volunteer experiments, we explore the potential of a portable LED-based dual-wavelength photoacoustic imaging system in 3D visualization of human lymphatic vessels and veins when using ICG as a contrast agent. Our results demonstrate that LED-based photoacoustic imaging system used in this study can visualize and separate lymphatic vessels and veins with high spatial resolution, and thus holds potential in guiding LVA procedure.

Conference Presentation

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Mithun Kuniyil Ajith Singh, Naoto Sato, Fumiyuki Ichihashi, Tetsuji Uemura, and Yoshiyuki Sankai "Guidance of lymphaticovenous anastomosis using LED-based photoacoustic lymphangiography: a human volunteer study", Proc. SPIE 11960, Photons Plus Ultrasound: Imaging and Sensing 2022, 119600R (3 March 2022); https://doi.org/10.1117/12.2610025

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