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At the end of routine operation, indocyanine green was used for lymph node tracing, and further lymph node dissection was performed according to the tracer results.

indocyanine green fluorescence imaging lymphatic tracing

Liang Kang, MD. and Phd.

he purpose of this study is to explore the clinical outcomes of Indocyanine Green Tracer using in laparoscopic radical sigmoidectomy for sigmoid adenocarcinoma (cT2-T4a N0 M0，T1-T4a N+ M0).

A Prospective, Randomized, Open, Parallel-controlled, Superior-efficacy Clinical Study of Radical Sigmoidectomy for Sigmoid Cancer Versus Radical Sigmoidectomy Combined With Indocyanine Green Fluorescence Imaging Lymphatic Tracing Dissection in the Treatment of Sigmoid Cancer

odisease-free survival was defined as the time from surgery to the time of recurrence or death from any cause

Compare total number of retrieved lymph nodes in both group

Compare number of positive lymph nodes in both group.

The number of fluorescent lymph node in experimental group is divided by the total number of lymph nodes in active experimental group

The number of positive lymph nodes in fluorescent lymph nodes is divided by the number of total fluorescent lymph nodes in experimental group

The number of negative lymph nodes in fluorescent lymph nodes is divided by the number of total fluorescent lymph nodes in experimental group

The number of negative lymph nodes in not fluorescent lymph nodes is divided by the number of total not fluorescent lymph nodes in experimental group

The number of positive lymph nodes in not fluorescent lymph nodes is divided by the number of total not fluorescent lymph nodes in experimental group

This is for the early postoperative complication

mortality, which defined as the event observed within 30 days after surgery

Quality of the mesorectum specimen, number of harvested lymph nodes, status of circumferential resection margin, and distal resection margin

Overall survival was defined as the time from surgery to death from any cause

Local recurrence was defined as radiologic or histopathologic evidence of any recurrent disease deposit located in the pelvis in the prior area of dissection following a primary rectal cancer resection, with or without distal metastasis.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
A Prospective, Randomized, Open, Parallel-controlled, Superior-efficacy Clinical Study of Radical Sigmoidectomy for Sigmoid Cancer Versus Radical Sigmoidectomy Combined With Indocyanine Green Fluorescence Imaging Lymphatic Tracing Dissection in the Treatment of Sigmoid Cancer	NCT06396806	Sigmoid Cancer	indocyanine gre...	18 Years - 75 Years	Sun Yat-sen University
A Prospective, Randomized, Open, Parallel-controlled, Superior-efficacy Clinical Study of Radical Sigmoidectomy for Sigmoid Cancer Versus Radical Sigmoidectomy Combined With Indocyanine Green Fluorescence Imaging Lymphatic Tracing Dissection in the Treatment of Sigmoid Cancer	NCT06396806	Sigmoid Cancer	indocyanine gre...	18 Years - 75 Years	Sun Yat-sen University

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