subungual ulcer

subungual ulcer

; subungual breakdown breakdown/liquefaction of subungual soft tissues; caused by local pressure in association with compromised tissue viability, e.g. peripheral vascular disease, distal sensory neuropathy, psoriasis, subungual gouty tophus, nail plate hypertrophy and shoe pressure; resolution requires cutting back of overlying nail plate to allow drainage and encourage soft-tissue healing, and identification and resolution of underlying causes