Health

Breakthrough in Terahertz Technology: Detecting Tissues’ Silent Signals of Damage and Disease

2025-06-11

Author: Wei

Revolutionary THz Method from Stony Brook University Aims to Transform Medical Diagnosis

In a groundbreaking study from Stony Brook University, researchers have unveiled a novel approach using terahertz (THz) polarimetry to detect subtle tissue changes caused by conditions like burns and even the early signs of skin cancer. This pioneering method could reshape how clinicians diagnose and monitor various medical conditions.

How Terahertz Imaging Could Change the Game for Healthcare

Published in the Journal of Biomedical Optics, this innovative technique offers a non-invasive and non-ionizing imaging alternative, bridging the gap between infrared and microwave regions. The promise of THz imaging in biomedical applications has been acknowledged for a while, praised for its potential to safely examine delicate skin tissues.

Breaking Through Existing Limitations in Tissue Diagnosis

Despite its advantages, conventional THz methods are hampered by their reliance on simplistic diagnostic contrasts primarily based on water content differences between healthy and diseased tissues. The Stony Brook team pointed out the limitations of these methods in addressing complex diseases.

Harnessing Mie Scattering for Enhanced Insights

To elevate the capabilities of THz imaging, researchers focused on Mie scattering – a phenomenon where particles of tissue are similar in size to the wavelength of incident light. By analyzing how polarized THz light interacts with various microscopic features in tissues, they aim to quantify the severity of diseases more accurately.

Pioneering Tests on Burned Tissue Yield Remarkable Results

In practical applications, the technique was tested on burned porcine skin samples, showcasing striking differences in polarization and backscattered intensity between damaged and healthy areas. The findings suggest that higher polarization in burned tissues likely stems from the deteriorated structure of the skin, while increased intensity results from fluid loss.

Future Horizons: From Burn Detection to Cancer Diagnosis

Looking forward, the research team plans to extend their technique to analyze cancerous tissue samples, capitalizing on enhanced THz measurement capabilities to detect even smaller tissue features between 10 and 30 microns. This advancement could cover a broader range of disease-related changes.

Transforming Disease Detection with Advanced Technology

With advancements in THz technology, the findings from Stony Brook University represent a monumental step toward integrating this method into standard medical diagnosis. If successful, it could revolutionize how healthcare professionals detect and track disease progression, offering new hope to countless patients.