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Updated: Jun 17, 2026

The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
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The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy

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Nanoparticles in sentinel lymph node mapping.

Gregory Ravizzini1, Baris Turkbey, Tristan Barrett

  • 1Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.

Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
|January 6, 2010
PubMed
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New imaging agents offer advanced visualization of the lymphatic system, overcoming challenges in accessing lymph nodes and vessels. These tools promise to enhance our understanding of lymphatic dynamics and disease mapping.

Area of Science:

  • Medical imaging
  • Nanotechnology
  • Lymphatic system research

Background:

  • Lymphatic structures are challenging to access compared to other vascular systems.
  • Interstitial injection of imaging agents is typically required for lymphatic opacification.
  • Traditional radionuclide methods for sentinel node imaging have limitations in resolution and involve radiation exposure.

Purpose of the Study:

  • To explore novel imaging agents for enhanced lymphatic system visualization.
  • To address the limitations of traditional sentinel node imaging techniques.
  • To introduce advanced methods for assessing lymphatic anatomy and dynamics.

Main Methods:

  • Development and application of magnetic resonance lymphography using Gadolinium-labeled nanoparticles.

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Intra-lymph Node Injection of Biodegradable Polymer Particles
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Intra-lymph Node Injection of Biodegradable Polymer Particles

Published on: January 2, 2014

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The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
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Intra-lymph Node Injection of Biodegradable Polymer Particles
09:06

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Published on: January 2, 2014

  • Utilization of optical imaging with nanoparticles, such as quantum dots, for lymphatic basin mapping.
  • Comparative analysis of new imaging modalities against traditional methods.

    • Main Results:

    • Magnetic resonance lymphography provides superior anatomical resolution and dynamic assessment of lymphatic vessels.
    • Optical imaging with nanoparticles enables multi-color mapping of distinct lymphatic basins.
    • These novel agents offer a versatile "toolbox" for lymphatic imaging.

    Conclusions:

    • Advanced imaging agents, including MRI and optical nanoparticles, are revolutionizing lymphatic system research.
    • These techniques overcome the accessibility and resolution limitations of older methods.
    • The developed imaging agents are poised to significantly improve the understanding and study of the lymphatic system.