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A rare dysraphic abnormality characterized by the infiltration of fatty tissue localized in the filum terminale, thickens and loses its flexibility, with normal conus shape, regardless of conus level. There is no other spinal cord malformation associated, but it can be associated with extraspinal malformation (ex: anorectal malformation) or syndromic situation.
No clinical trials have been registered for isolated filum lipoma.
6 publications have been identified in PubMed for isolated filum lipoma. Research spans Review / Meta-Analysis (33%), Case Report / Case Series (33%), and Epidemiology / Natural History (33%).
Saleem ES (2026). [PMID: 41952705](https://pubmed.ncbi.nlm.nih.gov/41952705/). *Surg Neurol Int*. [Case Report / Case Series]
Eun J (2026). [PMID: 41331294](https://pubmed.ncbi.nlm.nih.gov/41331294/). *Clin Exp Pediatr*. [Epidemiology / Natural History]
Estarron IM (2026). [PMID: 41569656](https://pubmed.ncbi.nlm.nih.gov/41569656/). *J Neurosurg Case Lessons*. [Case Report / Case Series]
Kirby G (2025). [PMID: 40196182](https://pubmed.ncbi.nlm.nih.gov/40196182/). *World J Pediatr Surg*. [Review / Meta-Analysis]
Dhombres F (2025). [PMID: 40629359](https://pubmed.ncbi.nlm.nih.gov/40629359/). *Orphanet J Rare Dis*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 18, 2026, 6:18 PM UTC
European rare disease database
AI-curated news mentioning isolated filum lipoma
Updated Aug 24, 2026
A case study highlights a rare sacral extradural arteriovenous fistula associated with a filum terminale lipoma and retained medullary cord. This discovery contributes to the understanding of complex spinal conditions.