PMC9815600_01
Endoscopic tattooing using indocyanine green in two patients. (A) Patient 1: Injection distally of tumor, one side. (B) Patient 1: Injection distally of tumor, other side. (C) Patient 2: Injection distally of tumor. (D) Patient 2: Injection distally of tumor.
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F1
Identification of the tumor marking was then approached after switching to NIR fluorescence mode (Figures 1, 2).
Three images of the same patient marked with indocyanine green. (A) Endoscopic view of marked tissue with Indocyanine Green. (B) Intraoperative view of rectosigmoid junction during robotic surgery under white light. (C) Intraoperative view of rectosigmoid junction during robotic surgery under Near-Infrared visualization mode.
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PMC9815600_01_fsurg-09-1087889-g002.jpg
F2
Identification of the tumor marking was then approached after switching to NIR fluorescence mode (Figures 1, 2).