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A rare disorder of unknown etiology characterized by distention of the lymph node sinuses and sinusoidal histiocytic infiltration. The histiocytes characteristically contain ingested lymphocytes. Patients present with cervical lymphadenopathy, fever, leukocytosis, and hypergammaglobulinemia. It can affect extranodal sites, including skin, bones, and the respiratory tract. It usually regresses spontaneously.
Biomarker and diagnostic research for sinus histiocytosis with massive lymphadenopathy has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
6 clinical trials registered, 5 recruiting. Interventions under study include drug therapy and other interventions. Pipeline includes 2 PHASE2, 1 EARLY_PHASE1. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT02285582](https://clinicaltrials.gov/study/NCT02285582) |
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 6:02 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
International Rare Histiocytic Disorders Registry (IRHDR)
— |
The Hospital for Sick Children |
RECRUITING |
[NCT03127709](https://clinicaltrials.gov/study/NCT03127709) | A Study of Memory, Thinking, and Brain Imaging in Adults With Histiocytosis | — | Memorial Sloan Kettering Cancer Center | ACTIVE_NOT_RECRUITING |
[NCT06153173](https://clinicaltrials.gov/study/NCT06153173) | Mirdametinib in Histiocytic Disorders | PHASE2 | Children's Hospital Medical Center, Cincinnati | RECRUITING |
[NCT05915208](https://clinicaltrials.gov/study/NCT05915208) | Histiocytic Disorder Follow-up Study | — | University of Alabama at Birmingham | RECRUITING |
[NCT07187167](https://clinicaltrials.gov/study/NCT07187167) | Efficacy and Safety of the RD Regimen(Lenalidomide, Dexamethasone) for Rosai-Dorfman Disease | PHASE2 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | RECRUITING |
146 publications have been identified in PubMed for sinus histiocytosis with massive lymphadenopathy. Research spans Case Report / Case Series (56%), Review / Meta-Analysis (31%), and Epidemiology / Natural History (5%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 82 | 56% |
Research summaries | 45 | 31% |
Disease patterns and progression | 8 | 5% |
Laboratory research | 5 | 3% |
Other research | 2 | 1% |
Testing and diagnosis research | 2 | 1% |
Clinical study results | 2 | 1% |
Expert Panel on Pediatric Imaging (2026). [PMID: 41729147](https://pubmed.ncbi.nlm.nih.gov/41729147/). *J Am Coll Radiol*. [Review / Meta-Analysis]
Delio M (2026). [PMID: 42208771](https://pubmed.ncbi.nlm.nih.gov/42208771/). *Hum Pathol*. [Review / Meta-Analysis]
Zhuo X (2026). [PMID: 42094958](https://pubmed.ncbi.nlm.nih.gov/42094958/). *Front Med (Lausanne)*. [Case Report / Case Series]
Chimatira R (2026). [PMID: 41812034](https://pubmed.ncbi.nlm.nih.gov/41812034/). *Am J Dermatopathol*. [Case Report / Case Series]
Abdalla D (2026). [PMID: 42113276](https://pubmed.ncbi.nlm.nih.gov/42113276/). *J Cancer Res Clin Oncol*. [Case Report / Case Series]
Cetin O (2026). [PMID: 40924281](https://pubmed.ncbi.nlm.nih.gov/40924281/). *Wien Med Wochenschr*. [Case Report / Case Series]
Kallen ME (2026). [PMID: 41592726](https://pubmed.ncbi.nlm.nih.gov/41592726/). *Arch Pathol Lab Med*. [Review / Meta-Analysis]
Chimatira R (2026). [PMID: 41417463](https://pubmed.ncbi.nlm.nih.gov/41417463/). *Am J Dermatopathol*. [Review / Meta-Analysis]
Huang ZD (2026). [PMID: 41795986](https://pubmed.ncbi.nlm.nih.gov/41795986/). *Zhonghua Bing Li Xue Za Zhi*. [Basic Science / Preclinical]
Chou MR (2026). [PMID: 41758377](https://pubmed.ncbi.nlm.nih.gov/41758377/). *Graefes Arch Clin Exp Ophthalmol*. [Review / Meta-Analysis]