Near-infrared fluorescence sentinel lymph node detection in gastric cancer: A pilot study

Figure 1 Identification of sentinel lymph nodes using near-infrared fluorescence imaging. A: Identification of sentinel lymph node (SLN) (arrow) 15 min after injection of ICG:Nanocoll using near-infrared (NIR) fluorescence imaging. The injection site around the tumor is indicated by a dashed arrow; B: Patient with tumor-positive lymph node (indicated by arrow). Injection sites and fluorescent SLN are clearly detected. Lymphatic vessels are also visible between the injection site and SLN. The SLN is marked using sutures.

Figure 2 Identification of tumor-positive sentinel lymph nodes outside the standard dissection planes. Identification of tumor-positive sentinel lymph node (SLN) (arrow) outside the standard resection specimen in patient No.21. LNs are identified after gastrectomy and located outside the standard dissection plane near LN station 9.