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An osteosarcoma arising from the soft tissue, and occurring during childhood.
No clinical trials have been registered for childhood extraosseous osteosarcoma.
10 publications have been identified in PubMed for childhood extraosseous osteosarcoma. Research spans Case Report / Case Series (33%), Clinical Trial Publication (33%), and Epidemiology / Natural History (22%).
Ahmed SK (2026). [PMID: 41285272](https://pubmed.ncbi.nlm.nih.gov/41285272/). *Int J Radiat Oncol Biol Phys*. [Clinical Trial Publication]
Janu AK (2026). [PMID: 41481491](https://pubmed.ncbi.nlm.nih.gov/41481491/). *Radiology. Imaging cancer*. [Case Report / Case Series]
Khirallah MG (2026). [PMID: 42120986](https://pubmed.ncbi.nlm.nih.gov/42120986/). *BMC Surg*. [Review / Meta-Analysis]
Martheswaran T (2026). [PMID: 41632692](https://pubmed.ncbi.nlm.nih.gov/41632692/). *Int J Surg Pathol*. [Case Report / Case Series]
Dalela D (2025). [PMID: 40187694](https://pubmed.ncbi.nlm.nih.gov/40187694/). *Urology*. [Case Report / Case Series]
Data assembled from 2 of 12 sources · Last updated Sep 19, 2026, 1:05 PM UTC
Rajeswari B (2025). [PMID: 40377607](https://pubmed.ncbi.nlm.nih.gov/40377607/). *Indian journal of cancer*. [Epidemiology / Natural History]
Schulpen M (2024). [PMID: 39018631](https://pubmed.ncbi.nlm.nih.gov/39018631/). *European journal of cancer (Oxford, England : 1990)*. [Epidemiology / Natural History]
Bronk JK (2024). [PMID: 38583721](https://pubmed.ncbi.nlm.nih.gov/38583721/). *Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology*. [Clinical Trial Publication]