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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Updated: Mar 24, 2026

Multispectral Real-time Fluorescence Imaging for Intraoperative Detection of the Sentinel Lymph Node in Gynecologic Oncology
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Simultaneous real-time multicomponent fluorescence and reflectance imaging method for fluorescence-guided surgery.

Nikolas Dimitriadis, Bartłomiej Grychtol, Lars Maertins

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    |March 16, 2016
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    A new imaging system enables surgeons to see multiple fluorescent agents simultaneously during surgery, improving visualization for tumor delineation and lymph node detection. This innovation supports advanced fluorescent probes for enhanced surgical guidance.

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    Area of Science:

    • Medical Imaging
    • Surgical Technology
    • Biophotonics

    Background:

    • Fluorescence-guided surgery (FGS) is increasingly used for tumor delineation, blood perfusion assessment, and sentinel lymph node detection.
    • Advancements in fluorescent probes promise expanded FGS applications and improved surgical efficiency.
    • Current imaging methods lack the capability to fully leverage next-generation fluorescent targeting technologies.

    Purpose of the Study:

    • To introduce a novel imaging concept for simultaneous visualization of multiple fluorescent agents in FGS.
    • To address the limitations of existing imaging systems in supporting advanced fluorescent probes.
    • To enhance surgical precision and information available to surgeons during FGS procedures.

    Main Methods:

    • Development of a novel, solid-state imaging system without moving parts.
    • Simultaneous acquisition of fluorescence and conventional reflectance images.
    • Capability to resolve and differentiate images from three distinct fluorochromes.

    Main Results:

    • The system successfully images multiple fluorochromes concurrently.
    • Simultaneous recording of fluorescence and reflectance imaging is achieved.
    • Demonstration of a novel approach for multi-agent FGS imaging.

    Conclusions:

    • The developed system offers a new paradigm for fluorescence-guided surgery.
    • It provides enhanced visualization capabilities for complex surgical scenarios.
    • This technology is poised to support the growing range of applications for advanced fluorescent probes in surgery.