Journal
EXPERIMENTAL DERMATOLOGY
Volume 19, Issue 8, Pages E293-E295Publisher
WILEY
DOI: 10.1111/j.1600-0625.2009.00979.x
Keywords
basal cell carcinoma; optical coherence tomography; speckle
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Funding
- The National Technical-Scientific Board in Denmark [BIOLASE 26-02-0020]
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P>Background: Optical coherence tomography (OCT) is a possible imaging method for delineation of non-melanoma skin cancer. Speckle noise is the dominant noise contribution in OCT images; it limits the ability to identify cellular structures especially skin cancer. Questions addressed: This report suggests a method for improving OCT image quality for skin cancer imaging. Experimental design: OCT is an optical imaging method analogous to ultrasound. Two basal cell carcinomas (BCC) were imaged using an OCT speckle reduction technique (SR-OCT) based on repeated scanning by altering the distance between the probe and the surface of the skin. Results: SR-OCT resulted in improved visualisation and more accurate thickness measurements in BCC lesions. Conclusion: This OCT speckle reduction method led to improved visualisation and better defined delineations in two BCC lesions. Thus, OCT was improved to a clinically relevant level when imaging BCC lesions.
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