Table 1 Confocal features and their definitions.
RCM features | Definition |
|---|---|
Parakeratosis | The presence of nucleated cells in the stratum corneum is visualized as bright nuclei in dark corneocytes |
Acanthosis (epidermal thickness) | Evaluated using VivaStack software analysis considering all cellulated layers until the total appearance of the dermal fibers |
Inflammatory cells in the epidermis | The presence of bright, round-to-polygonal cells in the epidermis |
Non-edge DP | Presence of dark dermal papillae more enlarged, not surrounded by bright ring of basal keratinocytes, and adjacent to each other, separated by a thin septum with a coarse fibrillary material |
Vascularization in the papillary dermis | Round-to-canalicular dark structures with thin walls, inside the DP with multilocular appearance, at the level of the papillary dermis |
Inflammatory cells in the dermis | The presence of bright or mildly refractive, round-to-polygonal cells around blood vessels in the dermis |