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A multinodular intermediate fibroblastic neoplasm arising from the retroperitoneum. It is characterized by the presence of spindle-shaped fibroblasts and myofibroblasts, and a chronic inflammatory infiltrate composed of eosinophils, lymphocytes and plasma cells.
No clinical trials have been registered for retroperitoneal inflammatory myofibroblastic tumor.
7 publications have been identified in PubMed for retroperitoneal inflammatory myofibroblastic tumor. Research spans Case Report / Case Series (57%), Review / Meta-Analysis (14%), and Basic Science / Preclinical (14%).
Arciuolo D (2026). [PMID: 41380847](https://pubmed.ncbi.nlm.nih.gov/41380847/). *Mod Pathol*. [Basic Science / Preclinical]
Li A (2025). [PMID: 41379144](https://pubmed.ncbi.nlm.nih.gov/41379144/). *Abdom Radiol (NY)*. [Review / Meta-Analysis]
Zhou C (2025). [PMID: 41474251](https://pubmed.ncbi.nlm.nih.gov/41474251/). *J Cancer Res Ther*. [Case Report / Case Series]
Huang Q (2025). [PMID: 41239297](https://pubmed.ncbi.nlm.nih.gov/41239297/). *BMC Urol*. [Epidemiology / Natural History]
Wu W (2025). [PMID: 40548121](https://pubmed.ncbi.nlm.nih.gov/40548121/). *Front Oncol*. [Case Report / Case Series]
Data assembled from 2 of 12 sources · Last updated Sep 20, 2026, 3:08 PM UTC
Medici B (2024). [PMID: 39474532](https://pubmed.ncbi.nlm.nih.gov/39474532/). *Case Rep Oncol*. [Case Report / Case Series]
AI-curated news mentioning retroperitoneal inflammatory myofibroblastic tumor
Updated Jul 31, 2026
A case report details a small intestinal gastrointestinal stromal tumor coexisting with a retroperitoneal tumor, contributing to the understanding of tumor interactions. This institutional review may provide insights for future research in rare tumor presentations.