Fluorescent SLN Imaging With Indocyanine Green (ICG), using near-infrared fluorescence imaging, will be used as a dye for SLN mapping. Injections will be performed intraoperative. Concentration of ICG used is 1.25mg/mL, the 25mg dry powder bottle is mixed with 20 mL of sterile water in the operating room, and 4 mL is injected directly into the cervix. This solution was injected intracervically at 3 and 9 o'clock positions, both submucosally and deep into the cervical stroma. A spinal needle 18-gauce is used to inject the ICG. The 4 mL can be divided into 4 separate injections (1 mL each). The ICG should be injected slowly, at a rate of 5 to 10 seconds per quadrant.

hysteroscopy is performed using an operative hysteroscope. Uterine distension is obtained by means of saline solution. Usually, the fluid bag is placed 50 cm above the patient's plane so that the intracavitary pressure does not exceed 40 mm Hg. After visualization of uterine cavity a 22-gauce, 40-mm needle was introduced into the operative port and IGC is injected peritumorally. Concentration of ICG used is 1.25mg/mL, the 25mg dry powder bottle is mixed with 20 mL of sterile water in the operating room. The injection is performed subendometrially around the lesion, or, if the uterine cavity was totally involved by disease, at 3, 6, 9, and 12 o'clock . The depth of needle placement is modulated by visualizing endometrial elevation during injection.

Hysteroscopic injection

assessment of Detection rate in the para-aortic area

Detection rate in the pelvic area

Operative time to detect and remove sentinel node