Optical coherence tomography (OCT) has been shown to provide clinically valuable images that
can aid in the assessment of the pre-surgical margin in basal cell carcinoma (BCC). The accuracy
and speed with which these images can be used to help delineate margins in the clinic are
currently constrained by the need to suspend imaging whilst a pen is used to mark the skin. This
constraint has been circumvented here by the design of a trigger-activated ink-loaded nib
integrated with the OCT probe. The adapted OCT probe enables a mark to be placed on the
skin precisely where a region of interest can be seen in the OCT images, accurately and
reproducibly. The adapted probe is described and a comparison of its performance and early
experience of its clinical use are reported here. Initial results indicate that the integrated skin
marking probe makes margin delineation under OCT image-guidance faster, more accurate and
more clinically acceptable.
Rakesh Patalay, Emma Craythorne, Raj Mallipeddi, and Andrew Coleman, "An integrated skin marking tool for use with optical coherence tomography (OCT)," Proc. SPIE 10037, Photonics in Dermatology and Plastic Surgery, 100370Y (Presented at SPIE BiOS: January 29, 2017; Published: 6 February 2017); https://doi.org/10.1117/12.2250324.
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