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An aggressive malignant smooth muscle neoplasm, arising from an extrahepatic bile duct. It is characterized by a proliferation of neoplastic spindle cells.
Biomarker and diagnostic research for extrahepatic bile duct leiomyosarcoma has been reported in the published literature.
No clinical trials have been registered for extrahepatic bile duct leiomyosarcoma.
4 publications have been identified in PubMed for extrahepatic bile duct leiomyosarcoma. Research spans Case Report / Case Series (50%), Other (25%), and Diagnostic / Biomarker (25%).
Sonoda K (2026). [PMID: 40990496](https://pubmed.ncbi.nlm.nih.gov/40990496/). *Int J Surg*. [Diagnostic / Biomarker]
Cheon M (2024). [PMID: 39061638](https://pubmed.ncbi.nlm.nih.gov/39061638/). *Diagnostics (Basel, Switzerland)*. [Case Report / Case Series]
Khaoula B (2024). [PMID: 39376554](https://pubmed.ncbi.nlm.nih.gov/39376554/). *SAGE Open Med Case Rep*. [Case Report / Case Series]
Borad MJ (2024). [PMID: 39083545](https://pubmed.ncbi.nlm.nih.gov/39083545/). *PLoS One*. [Other]
Data assembled from 2 of 12 sources · Last updated Sep 19, 2026, 7:50 AM UTC