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A rare cutaneous disorder of unknown etiology that can present either as an acute condition, with multiple papular lesions which become vesicular and necrotic (pityriasis lichenoides et varioliformis acuta) or chronic, with small, scaling papules (pityriasis lichenoides chronica).
Biomarker and diagnostic research for pityriasis lichenoides has been reported in the published literature.
1 clinical trial registered. Interventions under study include procedural interventions. Pipeline includes 1 NA. Research is primarily sponsored by academic and government institutions.
54 publications have been identified in PubMed for pityriasis lichenoides. Research spans Case Report / Case Series (69%), Other (6%), and Review / Meta-Analysis (6%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 37 | 69% |
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 6:53 PM UTC
Genetic and Rare Diseases Info Center
Other research |
3 |
6% |
Research summaries | 3 | 6% |
Clinical study results | 3 | 6% |
New treatment approaches | 3 | 6% |
Laboratory research | 2 | 4% |
Disease patterns and progression | 2 | 4% |
Testing and diagnosis research | 1 | 2% |
Benavides E (2026). [PMID: 41483505](https://pubmed.ncbi.nlm.nih.gov/41483505/). *Anais brasileiros de dermatologia*. [Gene Therapy / Novel Therapeutics]
Almeida-Silva G (2026). [PMID: 41831214](https://pubmed.ncbi.nlm.nih.gov/41831214/). *Acta medica portuguesa*. [Review / Meta-Analysis]
Liu W (2026). [PMID: 41709964](https://pubmed.ncbi.nlm.nih.gov/41709964/). *Journal of inflammation research*. [Case Report / Case Series]
Kundak S (2026). [PMID: 42152620](https://pubmed.ncbi.nlm.nih.gov/42152620/). *Pediatr Dermatol*. [Epidemiology / Natural History]
Giorgio CM (2026). [PMID: 41562439](https://pubmed.ncbi.nlm.nih.gov/41562439/). *Italian journal of dermatology and venereology*. [Case Report / Case Series]
Noble OR (2026). [PMID: 41952769](https://pubmed.ncbi.nlm.nih.gov/41952769/). *Case Rep Dermatol Med*. [Case Report / Case Series]
Watchirakaeyoon P (2026). [PMID: 42211744](https://pubmed.ncbi.nlm.nih.gov/42211744/). *JAAD Case Rep*. [Case Report / Case Series]
Kaufman LC (2026). [PMID: 41633545](https://pubmed.ncbi.nlm.nih.gov/41633545/). *Pediatric annals*. [Gene Therapy / Novel Therapeutics]
Alyasin S (2026). [PMID: 42178566](https://pubmed.ncbi.nlm.nih.gov/42178566/). *J Med Case Rep*. [Case Report / Case Series]
Luo J (2026). [PMID: 42109482](https://pubmed.ncbi.nlm.nih.gov/42109482/). *Front Pediatr*. [Case Report / Case Series]
AI-curated news mentioning pityriasis lichenoides
Updated May 18, 2026
A retrospective cohort study investigates the epidemiological, clinical, and histopathological features of pediatric pityriasis lichenoides, providing valuable insights for long-term management. The findings contribute to the understanding of this rare skin condition in children.