Rare diseases · Sign or symptom
Psoriasiform lesion
HP:0025526
What it means
A skin lesions that resembles the lesions observed in psoriasis, viz., an erythematous plaque covered by fine silvery scales. Psoriasiform lesions can be observed in psoriasis as well as in other conditions including allergic contact dermatitis, seborrhoeic dermatitis, Atopic dermatitis, pityriasis rubra, and lichen simplex chronicus.
Rare diseases that can present with this4
Common30–79%
2The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Erythemato-squamous plaque · Erythematosquamous plaque · Psoriatic-like lesion
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.