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Breast sentinel lymph node navigation with three-dimensional computed tomography-lymphography: a 12-year study.

Shigeru Yamamoto1, Kazuyoshi Suga2, Kazunari Maeda3

  • 1Department of Digestive Surgery and Surgical Oncology (Department of Surgery II), Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan. syamamo@yamaguchi-u.ac.jp.

Breast Cancer (Tokyo, Japan)
|January 12, 2015
PubMed
Summary

Three-dimensional computed tomography lymphography (3D CT-LG) effectively visualizes breast sentinel lymph nodes (SLNs) and lymphatic pathways. This preoperative imaging aids significantly in the accurate detection of SLNs during sentinel lymph node biopsy (SLNB).

Keywords:
Breast cancerComputed tomographyLymphographySentinel lymph node

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Area of Science:

  • Oncology
  • Radiology
  • Surgical Oncology

Background:

  • Sentinel lymph node biopsy (SLNB) is crucial for staging breast cancer.
  • Accurate identification of sentinel lymph nodes (SLNs) is essential for successful SLNB.
  • Preoperative imaging can potentially improve SLN localization.

Purpose of the Study:

  • To assess the effectiveness of three-dimensional computed tomography lymphography (3D CT-LG) for preoperative SLN navigation in breast cancer patients.
  • To evaluate the utility of 3D CT-LG in visualizing SLNs and lymphatic drainage pathways.

Main Methods:

  • A retrospective analysis of 576 clinically node-negative breast cancer patients (T1-T2) between 2002 and 2013.
  • Preoperative identification of SLNs using 3D CT-LG.
  • SLNB performed in 557 patients, guided by 3D CT-LG images and the blue dye method.

Main Results:

  • 3D CT-LG visualized SLNs in 99% (569/576) of patients.
  • Lymphatic draining ducts and SLNs were visualized in 96% (549/569) of patients.
  • SLN detection rate during SLNB was 99.8% (556/557).

Conclusions:

  • 3D CT-LG is a valuable tool for preoperative visualization of breast SLNs and lymphatic routes.
  • This technique enhances the ease of SLN detection during SLNB, potentially improving surgical outcomes.