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A WHO grade I perineurioma that arises within the endoneurium. It is characterized by the formation of pseudo-onion bulbs by the proliferating perineural cells.
Biomarker and diagnostic research for intraneural perineurioma has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for intraneural perineurioma.
7 publications have been identified in PubMed for intraneural perineurioma. Research spans Case Report / Case Series (50%), Epidemiology / Natural History (33%), and Diagnostic / Biomarker (17%).
Tiongson E (2026). [PMID: 41822653](https://pubmed.ncbi.nlm.nih.gov/41822653/). *Cureus*. [Case Report / Case Series]
Cavalcanti EBU (2026). [PMID: 41657107](https://pubmed.ncbi.nlm.nih.gov/41657107/). *Eur J Neurol*. [Epidemiology / Natural History]
Wang T (2025). [PMID: 40302315](https://pubmed.ncbi.nlm.nih.gov/40302315/). *Muscle Nerve*. [Diagnostic / Biomarker]
AbdullGaffar B (2025). [PMID: 39912671](https://pubmed.ncbi.nlm.nih.gov/39912671/). *Am J Dermatopathol*. [Case Report / Case Series]
Gundlach JE (2025). [PMID: 40088303](https://pubmed.ncbi.nlm.nih.gov/40088303/). *Head Neck Pathol*. [Epidemiology / Natural History]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 7:50 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center