Journal
JOURNAL OF SURGICAL ONCOLOGY
Volume 125, Issue 2, Pages 256-263Publisher
WILEY
DOI: 10.1002/jso.26694
Keywords
endometrial neoplasms; indocyanine green; lymphatic metastasis; sentinel lymph node mapping
Funding
- Shanghai Science and Technology Innovation Action Plan [20Z11900700]
- Shanghai Science and technology committee medical guidance program [18411963700]
- Clinical Research Plan of SHDC [SHDC2020CR4079]
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SLN mapping with ICG showed high detection rates and acceptable diagnostic efficacy in Chinese women with endometrial cancer, but may lead to higher missed diagnoses in patients with high-intermediate risk.
Background and Objectives This study was aimed to evaluate the efficacy of sentinel lymph node (SLN) mapping using indocyanine green (ICG) in Chinese women with endometrial cancer (EC). Methods Consecutive EC patients undergoing SLN mapping at Obstetrics and Gynecology Hospital of Fudan University were retrospectively reviewed. Overall and bilateral SLN detection rates and SLN locations were presented. Sensitivity, negative predictive value (NPV), and agreement rate were calculated and were compared between patients with low-intermediate (LIR) or high-intermediate risk (HIR). Results There were 454 patients screened, with SLN mapping with ICG performed in 428 patients and systematic lymphadenectomy performed in 159 patients. Overall and bilateral SLN detection rates were 96.50% and 82.71%, respectively. The sensitivity of SLN mapping was 80.00%, and the NPV was 97.76%. SLNs were most commonly located in obturator and external iliac regions. Efficacy of SLN mapping was higher in LIR patients than in HIR patients, with sensitivities of 100.00% and 75.00% (p > 0.05), NPVs of 100.00% and 90.00% (p = 0.002), and agreement rates of 100.00% and 92.31% (p = 0.007), respectively. Conclusion SLN mapping with ICG had acceptable diagnostic efficacy in Chinese women with EC, but may cause more missed diagnoses in patients with HIR due to relatively low NPV and agreement rate.
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