Optical coherence tomography for planning of follicular unit extraction

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]
Kurt SchichoMichael Figl

Abstract

As the subcutaneous course of the hair follicle cannot be extrapolated from the angle of hair emergence, the follicular unit extraction (FUE) method bears the risk of follicle transsection potentially affecting the success of the whole intervention. Histological examination can provide this angle information but are too time consuming and invasive to be integrated in the workflow. In this work, the authors present an effective and noninvasive way to determine these subcutaneous follicle angles. For this purpose, the authors use optical coherence tomography to provide images of the first 2 to 3 mm of the surface of the skin. On 3 probands, they scanned 2 regions. We computed the number of hair follicles in a certain angular region around a mean angle, representing an FUE tool, and found a considerable diversity of the angular deviations. As this angular distribution massively influences the transsection rate, the authors suggest such a method to be considered as a future improvement of preoperative assessment.

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Citations

Apr 28, 2018·Journal of Biomedical Optics·Jonas OlsenGregor B Jemec
Mar 5, 2015·Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]·Meena Singh
Apr 8, 2020·Lasers in Surgery and Medicine·Chloe EkelemNatasha A Mesinkovska
Mar 19, 2016·Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]·Marc R Avram

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