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- Title
High-definition optical coherence tomography enables visualization of individual cells in healthy skin: comparison to reflectance confocal microscopy.
- Authors
Boone, Marc; Jemec, Gregor B. E.; Marmol, Véronique Del
- Abstract
High-definition OCT (HD-OCT) is an innovative technique based on the principle of conventional OCT. Our objective was to test the resolution and image quality of HD-OCT in comparison with reflectance confocal microscopy (RCM) of healthy skin. Firstly, images have been made of a ultra-high-resolution line-pair phantome with both systems. Secondly, we investigated 21 healthy volunteers of different phototypes with HD-OCT and RCM on volar forearm and compared the generated images. HD-OCT displays also differences depending on the skin phototype and anatomical site. The 3-μm lateral resolution of the HD-OCT could be confirmed by the phantom analysis. The identification of cells in the epidermis can be made by both techniques. RCM offers the best lateral resolution, and HD-OCT has the best penetration depth, providing images of individual cells deeper within the dermis. Eccrine ducts and hair shafts with pilosebaceous units can be observed depending on skin site. HD-OCT provides morphological imaging with sufficient resolution and penetration depth to permit visualization of individual cells at up to 570 μm in depth offering the possibility of additional structural information complementary to that of RCM. HD-OCT further has the possibility for rapid three-dimensional imaging.
- Subjects
SKIN; OPTICAL coherence tomography; CELLS; CONFOCAL microscopy; EPIDERMIS
- Publication
Experimental Dermatology, 2012, Vol 21, Issue 10, p740
- ISSN
0906-6705
- Publication type
Article
- DOI
10.1111/j.1600-0625.2012.01569.x