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Multispectral Real-time Fluorescence Imaging for Intraoperative Detection of the Sentinel Lymph Node in Gynecologic Oncology
Published on: October 20, 2010
Sentinel lymph node detection in patients with cervical cancer
1Department of Gynecology, Friedrich-Schiller-University, Jena 07740, Germany.
Gynecologic Oncology
|February 13, 2001
Summary
Sentinel lymph node (SLN) detection using radioactive isotope and blue dye is valid for cervical cancer staging. Combined injection achieved 100% detection, improving accuracy for this cancer.
Area of Science:
- Oncology
- Surgical Oncology
- Nuclear Medicine
Background:
- Cervical cancer staging relies on accurate lymph node assessment.
- Sentinel lymph node (SLN) biopsy is a minimally invasive staging method.
- Radioactive isotopes and vital dyes are used for SLN detection.
Purpose of the Study:
- To investigate the validity of sentinel lymph node (SLN) detection in patients with cervical cancer.
- To evaluate the efficacy of radioactive isotope and/or blue dye injection for SLN identification.
Main Methods:
- Fifty patients with cervical cancer (FIGO stages I-IV) underwent SLN detection.
- Radioactively labeled albumin (Technetium 99m) was injected into the cervix preoperatively.
- Blue dye (Patentblue) was injected intraoperatively into the cervix at the same locations.
Main Results:
- The overall SLN detection rate was 78%.
- The combined injection of radioactive isotope and blue dye achieved a 100% detection rate.
- Sensitivity was 83.3% and negative predictive value was 97.1% for SLN detection.
Conclusions:
- A combination of radioactively labeled albumin and blue dye enables successful SLN detection in cervical cancer.
- Prospective evaluation is necessary to confirm the clinical validity of this combined SLN detection technique.
