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Cytophagic histiocytic panniculitis (CHP) is a very rare form of panniculitis manifesting as recurrent multiple subcutaneous nodules (which may progressively become ecchymotic and ulcerated), and histologically characterized by lobular panniculitis with lymphocytic and histiocytic infiltration in the subcutaneous adipose tissue.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for cytophagic histiocytic panniculitis.
4 publications have been identified in PubMed for cytophagic histiocytic panniculitis. Research spans Case Report / Case Series (50%), Review / Meta-Analysis (25%), and Epidemiology / Natural History (25%).
Unnikrishnan P (2026). [PMID: 41778004](https://pubmed.ncbi.nlm.nih.gov/41778004/). *Cureus*. [Case Report / Case Series]
Karadia P (2026). [PMID: 41437723](https://pubmed.ncbi.nlm.nih.gov/41437723/). *Indian Dermatol Online J*. [Case Report / Case Series]
Su T (2024). [PMID: 38831784](https://pubmed.ncbi.nlm.nih.gov/38831784/). *Clin Cosmet Investig Dermatol*. [Epidemiology / Natural History]
Arnoff TE (2024). [PMID: 38769706](https://pubmed.ncbi.nlm.nih.gov/38769706/). *J Cutan Pathol*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 12:37 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center