Related Experiment Video
Updated: Jun 25, 2026
07:28
Thinned-skull Cortical Window Technique for In Vivo Optical Coherence Tomography Imaging
Published on: November 19, 2012
Intra-operative application of optical coherence tomography with an operating microscope
T Just1, E Lankenau, G Hüttmann
1Department of Otorhinolaryngology, Head and Neck Surgery, University of Rostock, Germany.
The Journal of Laryngology and Otology
|February 27, 2009
Summary
This study introduces integrated optical coherence tomography (OCT) with an operating microscope for precise laryngeal surgery. This technology enhances biopsy site identification and resection plane definition during microlaryngoscopy.
Area of Science:
- Otolaryngology
- Medical Imaging
- Surgical Technology
Background:
- Intra-operative laryngeal evaluation traditionally relies on visual inspection.
- Microlaryngoscopy requires high precision for biopsies and resections.
- Limitations exist in current imaging techniques for real-time tissue assessment during laryngeal surgery.
Purpose of the Study:
- To present the integration of optical coherence tomography (OCT) with an operating microscope for intra-operative laryngeal assessment.
- To evaluate the feasibility and benefits of this combined technology in human larynx procedures.
Main Methods:
- A specialized operating microscope equipped with spectral domain optical coherence tomography (SD-OCT) was utilized.
- The system was employed during microlaryngoscopy procedures on the human larynx.
- Technical improvements included a pilot beam, variable focal distance, and enhanced image quality.
Main Results:
- The integrated SD-OCT system demonstrated improved sensitivity and imaging speed.
- A non-contact imaging approach was achieved, enhancing safety and ease of use.
- SD-OCT provided better correlation with histological findings, improving biopsy precision.
Conclusions:
- The combined OCT and operating microscope system allows for precise definition of biopsy sites and resection planes.
- Surgeons can leverage the full optical zoom range of the microscope with integrated OCT guidance.
- This technology represents a significant advancement in intra-operative laryngeal surgery.
More Related Videos
Related Concept Videos
01:18Imaging Biological Samples with Optical Microscopy
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
01:26Phase Contrast and Differential Interference Contrast Microscopy
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...