Figure 2.

Psoriatic nail changes. (A) Pitting (superficial depression within nail plate), (B) nail plate crumbling and oil drop/salmon patch (focal parakeratosis leading to focal onycholysis presenting as translucent yellow-red discoloration), (C) splinter haemorrhages (longitudinal red-brown splinter shaped haemorrhages under the nail) and onycholysis (detachment of the nail plate from the nail bed presenting as a white-yellow area at the distal part of the nail plate), (D) leukonychia (parakeratosis within the nail plate presenting as white spots on the nail).