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Hybrid tracers for sentinel node biopsy.

N S Van Den Berg1, T Buckle, G I Kleinjan

  • 1Interventional Molecular Imaging Laboratory Department of Radiology Leiden University Medical Center, Leiden, The Netherlands - F.W.B.van_Leeuwen@lumc.nl.

The Quarterly Journal of Nuclear Medicine and Molecular Imaging : Official Publication of the Italian Association of Nuclear Medicine (AIMN) [And] the International Association of Radiopharmacology (IAR), [And] Section of the Society Of
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Hybrid tracers combine radioactive and fluorescent properties for improved sentinel node (SN) identification. These advanced imaging agents enhance surgical guidance by integrating nuclear medicine data into the operating room.

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Area of Science:

  • Nuclear Medicine
  • Surgical Oncology
  • Medical Imaging

Background:

  • Sentinel node (SN) mapping is crucial for staging various cancers.
  • Current SN identification relies on radiocolloids and lymphoscintigraphy, with challenges in intraoperative guidance.
  • Existing methods like vital blue dye or fluorescence dyes have limitations.

Purpose of the Study:

  • To review conventional and novel tracers for sentinel node mapping.
  • To discuss the application and potential of hybrid tracers in SN biopsy.
  • To explore how new imaging techniques can bridge nuclear medicine and surgical guidance.

Main Methods:

  • Review of existing literature on SN mapping tracers.
  • Description of radiocolloid and lymphoscintigraphy techniques.
  • Analysis of hybrid tracers combining radioactive and fluorescent labels.

Main Results:

  • Various tracers have been developed and validated for SN mapping.
  • Hybrid tracers offer direct integration of pre- and intraoperative guidance.
  • These tracers show high potential when combined with advanced surgical imaging and navigation.

Conclusions:

  • Hybrid tracers represent a significant advancement in SN mapping.
  • They facilitate the translation of nuclear medicine findings to the operating theatre.
  • Future applications may enhance surgical precision and patient outcomes in oncology.