pityriasis lichenoides chronica

pit·y·ri·a·sis li·che·noi·des chron·i·ca

an eruption, lasting up to a few years, of reddish-brown papules with central scaling; it clears without scarring. [lichenoides Mod. L., fr. G. leichēn, lichen, a lichen-like eruption, + eidos, resemblance; chronica Mod. L. chronic, fr. G. chronikos, pertaining to time; fr. chronos, time]

pityriasis lichenoides chronica

An uncommon, idiopathic dermatosis that primarily affects younger patients (under age 30), which is characterised by waves of erythematous, scaly papules that may persist for months.
Aetiology
Unknown; thought to be a hypersensitivity reaction to viruses—e.g., EBV, adenovirus, parvovirus B19.
Management
Various modalities have been tried, including phototherapy (UV, solar), topical steroids and antibiotics.

单词	pityriasis lichenoides chronica
释义	pityriasis lichenoides chronica pit·y·ri·a·sis li·che·noi·des chron·i·ca an eruption, lasting up to a few years, of reddish-brown papules with central scaling; it clears without scarring. [lichenoides Mod. L., fr. G. leichēn, lichen, a lichen-like eruption, + eidos, resemblance; chronica Mod. L. chronic, fr. G. chronikos, pertaining to time; fr. chronos, time] pityriasis lichenoides chronica An uncommon, idiopathic dermatosis that primarily affects younger patients (under age 30), which is characterised by waves of erythematous, scaly papules that may persist for months. Aetiology Unknown; thought to be a hypersensitivity reaction to viruses—e.g., EBV, adenovirus, parvovirus B19. Management Various modalities have been tried, including phototherapy (UV, solar), topical steroids and antibiotics.
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