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A plasma cell neoplasm arising at an extraosseous site. There is no involvement of the bone marrow. It most frequently involves the oropharynx, nasopharynx, sinuses, and larynx. Other sites of involvement include the gastrointestinal tract, central nervous system, breast, skin, lymph nodes, and bladder. A minority of patients have a monoclonal gammopathy. Treatment includes radiation therapy. Progression to plasma cell myeloma occurs in a minority of patients.
Biomarker and diagnostic research for extramedullary plasmacytoma has been reported in the published literature.
2 clinical trials registered. Interventions under study include drug therapy, other interventions, gene therapy, and procedural interventions. Pipeline includes 1 PHASE2. Research is primarily sponsored by academic and government institutions.
134 publications have been identified in PubMed for extramedullary plasmacytoma. Research spans Case Report / Case Series (70%), Review / Meta-Analysis (12%), and Epidemiology / Natural History (6%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 94 |
Data assembled from 3 of 12 sources · Last updated Sep 18, 2026, 7:07 PM UTC
Research summaries | 16 | 12% |
Disease patterns and progression | 8 | 6% |
Testing and diagnosis research | 7 | 5% |
Clinical study results | 5 | 4% |
Other research | 2 | 1% |
Laboratory research | 2 | 1% |
Yusina S (2026). [PMID: 41572461](https://pubmed.ncbi.nlm.nih.gov/41572461/). *Otol Neurotol*. [Diagnostic / Biomarker]
Bouallou M (2026). [PMID: 41938393](https://pubmed.ncbi.nlm.nih.gov/41938393/). *Int J Surg Case Rep*. [Case Report / Case Series]
Kumar R (2026). [PMID: 41792353](https://pubmed.ncbi.nlm.nih.gov/41792353/). *Acta Neurochir (Wien)*. [Case Report / Case Series]
Decaestecker A (2026). [PMID: 41895709](https://pubmed.ncbi.nlm.nih.gov/41895709/). *Kidney Int*. [Case Report / Case Series]
Al Qudah H (2026). [PMID: 41233056](https://pubmed.ncbi.nlm.nih.gov/41233056/). *Radiol Clin North Am*. [Review / Meta-Analysis]
Gupta R (2026). [PMID: 41554620](https://pubmed.ncbi.nlm.nih.gov/41554620/). *BMJ Case Rep*. [Case Report / Case Series]
Swenson CL (2026). [PMID: 41562189](https://pubmed.ncbi.nlm.nih.gov/41562189/). *J Vet Diagn Invest*. [Case Report / Case Series]
Yu D (2026). [PMID: 41584789](https://pubmed.ncbi.nlm.nih.gov/41584789/). *Urol Case Rep*. [Case Report / Case Series]
Chu D (2026). [PMID: 41639819](https://pubmed.ncbi.nlm.nih.gov/41639819/). *BMC Pediatr*. [Case Report / Case Series]
Mierzejewski M (2026). [PMID: 41524186](https://pubmed.ncbi.nlm.nih.gov/41524186/). *Pol Arch Intern Med*. [Case Report / Case Series]