Researchers at Helmholtz Munich, TUM, and Medical University of Vienna have developed an innovative endoscopy imaging technology called O2E. This technique enables earlier detection of esophageal cancer by revealing microstructural and microvascular tissue changes that were previously undetectable.
O2E combines optical coherence tomography with optoacoustic imaging in a novel capsule design. The capsule captures high-resolution 3D images of esophageal tissue structure and function for comprehensive diagnostic insight.
In pilot evaluations, O2E distinguished healthy tissue, precancerous lesions, and cancerous abnormalities in animal and human samples from Barrett’s esophagus. Researchers also performed successful proof-of-principle tests on human lip tissue to validate image fidelity and resolution.
This advanced capsule has the potential to transform esophageal cancer screening. Early detection using O2E could dramatically increase survival rates and reduce the need for invasive biopsies. It may also streamline diagnostic workflows and lower healthcare costs.
The research team is now expanding the ESOHISTO project under EU EIC Pathfinder funding to optimize O2E for clinical use. Future developments aim to integrate confocal endomicroscopy for real-time cellular visualization and molecular-level diagnostic precision.


