Clinical confocal laser endomicroscopy for imaging of autofluorescence signals of human brain tumors and non-tumor brain
2024

Imaging Brain Tumors with Confocal Laser Endomicroscopy

Sample size: 26 publication Evidence: moderate

Author Information

Author(s): Marlen Reichenbach, Sven Richter, Roberta Galli, Matthias Meinhardt, Katrin Kirsche, Achim Temme, Dimitrios Emmanouilidis, Witold Polanski, Insa Prilop, Dietmar Krex, Stephan B. Sobottka, Tareq A. Juratli, Ilker Y. Eyüpoglu, Ortrud Uckermann

Primary Institution: Technische Universität Dresden

Hypothesis

Can a commercial confocal laser scanning endomicroscopy system effectively visualize autofluorescence patterns in human brain tumors for intraoperative diagnosis?

Conclusion

Label-free confocal laser endomicroscopy can visualize characteristic autofluorescence patterns of human brain tumors and non-tumor brain tissue, providing potential intraoperative diagnostic information.

Supporting Evidence

  • Label-free CLE enabled the acquisition of autofluorescence images for all cases.
  • Autofluorescent structures were identified in glioblastomas and non-tumor samples.
  • Diffuse autofluorescence was predominantly found in tumor tissues.

Takeaway

Doctors can use a special camera to see how brain tumors look without needing any dyes, helping them make better decisions during surgery.

Methodology

The study used a clinical confocal laser endomicroscopy system to acquire images of tissue autofluorescence from fresh samples obtained during routine surgeries.

Potential Biases

Potential bias due to the subjective nature of visual inspection of images.

Limitations

The study faced challenges with motion artifacts and blood contamination during in situ imaging.

Participant Demographics

Patients aged 27-82 years, with a median age of 63 years; 6 males and 19 females.

Statistical Information

P-Value

0.1129

Statistical Significance

p=0.1129

Digital Object Identifier (DOI)

10.1007/s00432-024-06052-2

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