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Review
. 2023 Jan;10(1):1-8.
doi: 10.1016/j.ajur.2021.07.004. Epub 2022 Apr 22.

The application of indocyanine green in guiding prostate cancer treatment

Donghua Xie  1 , Di Gu  1 , Ming Lei  1 , Cong Cai  1 , Wen Zhong  1 , Defeng Qi  1 , Wenqi Wu  1 , Guohua Zeng  1 , Yongda Liu  1
Affiliations
Review

The application of indocyanine green in guiding prostate cancer treatment

Donghua Xie et al. Asian J Urol. 2023 Jan.

Abstract

Objective: Indocyanine green (ICG) with near-infrared fluorescence absorption is approved by the United States Food and Drug Administration for clinical applications in angiography, blood flow evaluation, and liver function assessment. It has strong optical absorption in the near-infrared region, where light can penetrate deepest into biological tissue. We sought to review its value in guiding prostate cancer treatment.

Methods: All related literature at PubMed from January 2000 to December 2020 were reviewed.

Results: Multiple preclinical studies have demonstrated the usefulness of ICG in identifying prostate cancer by using different engineering techniques. Clinical studies have demonstrated the usefulness of ICG in guiding sentinel node dissection during radical prostatectomy, and possible better preservation of neurovascular bundle by identifying landmark prostatic arteries. New techniques such as adding fluorescein in additional to ICG were tested in a limited number of patients with encouraging result. In addition, the use of the ICG was shown to be safe. Even though there are encouraging results, it does not carry sufficient sensitivity and specificity in replacing extended pelvic lymph node dissection during radical prostatectomy.

Conclusion: Multiple preclinical and clinical studies have shown the usefulness of ICG in identifying and guiding treatment for prostate cancer. Larger randomized prospective studies are warranted to further test its usefulness and find new modified approaches.

Keywords: Indocyanine green; Intraoperative imaging; Neurovascular bundle; Prostate cancer; Sentinel lymph node dissection.

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Conflict of interest statement

The authors declare no conflict of interest.

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