Related Experiment Video

Updated: Mar 9, 2026

Modeling Brain Metastases Through Intracranial Injection and Magnetic Resonance Imaging
06:44

Modeling Brain Metastases Through Intracranial Injection and Magnetic Resonance Imaging

Published on: June 7, 2020

8.2K

Raman spectroscopy detects distant invasive brain cancer cells centimeters beyond MRI capability in humans

Michael Jermyn1, Joannie Desroches2, Jeanne Mercier2

  • 1Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, NH 03755, USA; Department of Neurology and Neurosurgery, Montreal Neurological Institute and Hospital, McGill University, 3801 University St., Montreal, QC, H3A 2B4, Canada; Dept. of Engineering Physics, Polytechnique Montreal, CP 6079, Succ. Centre-Ville, Montreal, QC, H3C 3A7, Canada.

Biomedical Optics Express
|December 27, 2016
PubMed

Insights

Intraoperative Raman spectroscopy detects invasive brain cancer cells beyond MRI limits, potentially improving surgical outcomes. This optical guidance helps minimize residual cancer, aiming to increase patient survival rates.

Area of Science:

  • Neurosurgery
  • Oncology
  • Biomedical Optics

Background:

  • Brain cancer surgery is challenged by imaging limitations, often leaving residual cancer cells.
  • Incomplete tumor resection due to undetected invasive cells leads to cancer recurrence and mortality.

Purpose of the Study:

  • To evaluate intraoperative Raman spectroscopy for detecting invasive brain cancer cells beyond current MRI capabilities.
  • To assess the potential of Raman spectroscopy in minimizing post-surgical cancer burden and improving patient survival.

Main Methods:

  • Utilized intraoperative Raman spectroscopy as an optical guidance tool during brain cancer surgery.
  • Compared Raman spectroscopy's detection range with standard T1-contrast-enhanced and T2-weighted MRI signals.

Main Results:

  • Raman spectroscopy detected invasive cancer cells several centimeters beyond the signals provided by MRI.
  • Demonstrated the capability of optical guidance to identify residual tumor margins more comprehensively.

Conclusions:

  • Intraoperative Raman spectroscopy offers superior detection of invasive brain cancer cells compared to MRI.
  • This technique has the potential to enhance surgical effectiveness and prolong patient survival by reducing residual disease.
Keywords:
(170.1610) Clinical applications(170.5660) Raman spectroscopy(170.6935) Tissue characterization

More Related Videos

Detection and Isolation of Cancer in Prostate Biopsies Using Stimulated Raman Histology and Artificial Intelligence08:05

Detection and Isolation of Cancer in Prostate Biopsies Using Stimulated Raman Histology and Artificial Intelligence

Published on: June 10, 2025

1.3K
A Multimodal Imaging Framework to Advance Phenotyping of Living Label-free Breast Cancer Cells10:37

A Multimodal Imaging Framework to Advance Phenotyping of Living Label-free Breast Cancer Cells

Published on: August 22, 2025

1.4K

Related Concept Videos

Applications Of NMR In Biology01:25

Applications Of NMR In Biology

Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
4.7K
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
10.1K