Abstract
It was first suggested that terahertz imaging has the potential to detect skin cancer twenty years ago. Since then, THz instrumentation has improved significantly: real time broadband THz imaging is now possible and robust protocols for measuring living subjects have been developed. Here, we discuss the progress that has been made as well as highlight the remaining challenges for applying THz imaging to skin cancer detection.
Highlights
THz light is fundamentally more suited to detecting abnormalities in tissues than other emerging technologies, such as Optical Coherence Tomography (OCT), owing to its wavelength
In vivo THz images from a case study of patients with basal cell carcinoma (BCC) in 2004 suggested that it is possible to detect skin cancer hidden beneath the skin using THz imaging.[6]
We have previously investigated the underlying THz image contrast mechanisms in biomedical tissues[20,21] as well as developed algorithms and approaches to improve the accuracy of sample characterization[22,23] and accelerate THz image data acquisition.[1]
Summary
THz light is fundamentally more suited to detecting abnormalities in tissues than other emerging technologies, such as Optical Coherence Tomography (OCT), owing to its wavelength.
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