parapsoriasis lichenoides chronica

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.

Unknown; thought to be a hypersensitivity reaction to viruses—e.g., EBV, adenovirus, parvovirus B19.

Various modalities have been tried, including phototherapy (UV, solar), topical steroids and antibiotics.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

parapsoriasis lichenoides chronica

A form of parapsoriasis that forms a widespread network over the extremities and trunk that is red to blue, sometimes resembling psoriasis or lichen planus.
See also: parapsoriasis
Medical Dictionary, © 2009 Farlex and Partners