Vibrational speckle tomography microscopy for fast intra-operative cancer tissue histopathology

The SpeckleCARS project aims to develop fast, label-free 3D histology imaging for real-time cancer diagnosis and treatment, eliminating the need for biopsies and improving accuracy and accessibility.

Subsidie
€ 2.726.936
2023

Projectdetails

Introduction

Histology is central to the diagnosis, staging, and treatment of cancers. It requires the removal of small regions of suspect tissues (biopsies) that are later sectioned and stained with haematoxylin and eosin (HE).

Challenges in Histology

However, histology suffers from major weaknesses:

  1. The standard HE protocol cannot work in vivo and requires ex vivo biopsies.
  2. HE is labour intensive and time-consuming, with final tissue section inspection possible only after 12 hours.

A faster but less accurate protocol, known as extemporaneous histology, can be performed in 40 minutes and is used in an intra-operative context to guide surgeries.

Project Overview

The SpeckleCARS project aims to develop, for the first time, fast label-free tomography microscopy with vibrational sensitivity. This will provide images with tridimensional improvement compared to extemporaneous histology and near-perfect concordance with conventional stained HE histology.

Innovative Approach

This pioneering approach overcomes all the previous challenges:

  • Using a wide field reflection scheme and label-free contrast rules out all drawbacks due to tissue removal and external labelling.
  • It provides instantaneous intraoperative 3D histological data, improving the accessibility and accuracy of tumour detection, diagnosis, and treatment.

Technological Advancements

Combining the latest advances in:

  1. 3D tomography reconstruction algorithms
  2. High power laser systems
  3. Key innovations in random speckle illumination and hyperspectral vibrational imaging

The SpeckleCARS project will provide, for the first time, volumetric histology imaging in real time over large (mm) fields of view without the need for tissue removal.

Validation and Applications

To demonstrate the power of the developed technologies, both ex vivo human and in vivo mouse cancer assessments will be conducted in collaboration with pathologists.

The SpeckleCARS approach is broadly applicable to all cancer types and to any tissue diagnostic requiring histological data, so the project breakthroughs will benefit many medical and biology applications.

Financiële details & Tijdlijn

Financiële details

Subsidiebedrag€ 2.726.936
Totale projectbegroting€ 2.726.936

Tijdlijn

Startdatum1-1-2023
Einddatum31-12-2027
Subsidiejaar2023

Partners & Locaties

Projectpartners

  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRSpenvoerder

Land(en)

France

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