Issue 15, 2024

Fluorescence imaging-guided surgery: current status and future directions

Abstract

Surgery is one of the most important paradigms for tumor therapy, while fluorescence imaging (FI) offers real-time intraoperative guidance, greatly boosting treatment prognosis. The imaging fidelity heavily relies on not only imaging facilities but also probes for imaging-guided surgery (IGS). So far, a great number of IGS probes with emission in visible (400–700 nm) and near-infrared (NIR 700–1700 nm) windows have been developed for pinpointing disease margins intraoperatively. Herein, the state-of-the-art fluorescent probes for IGS are timely updated, with a special focus on the fluorescent probes under clinical examination. For a better demonstration of the superiority of NIR FI over visible FI, both imaging modalities are critically compared regarding signal-to-background ratio, penetration depth, resolution, tissue autofluorescence, photostability, and biocompatibility. Various types of fluorescence IGS have been summarized to demonstrate its importance in the medical field. Furthermore, the most recent progress of fluorescent probes in NIR-I and NIR-II windows is summarized. Finally, an outlook on multimodal imaging, FI beyond NIR-II, efficient tumor targeting, automated IGS, the use of AI and machine learning for designing fluorescent probes, and the fluorescence-guided da Vinci surgical system is given. We hope this review will stimulate interest among researchers in different areas and expedite the translation of fluorescent probes from bench to bedside.

Graphical abstract: Fluorescence imaging-guided surgery: current status and future directions

Article information

Article type
Review Article
Submitted
19 mar 2024
Accepted
14 iyn 2024
First published
19 iyn 2024

Biomater. Sci., 2024,12, 3765-3804

Fluorescence imaging-guided surgery: current status and future directions

Z. Ullah, S. Roy, S. Muhammad, C. Yu, H. Huang, D. Chen, H. Long, X. Yang, X. Du and B. Guo, Biomater. Sci., 2024, 12, 3765 DOI: 10.1039/D4BM00410H

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