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Extragonadal teratoma is an extremely rare, benign or malignant germ cell tumor characterized, clinically, by a teratoma presenting in an extragonadal location (e.g. retroperitoneum, mediastinum, craniofacial or sacrococcygeal region, intraosseous, solid organs) and, histologically, by displaying well-differentiated structures, as well as immature elements. Presenting symptoms are variable depending on size and location of tumor.
No clinical trials have been registered for extragonadal teratoma.
5 publications have been identified in PubMed for extragonadal teratoma. Research spans Case Report / Case Series (100%).
Phu LH (2025). [PMID: 39756232](https://pubmed.ncbi.nlm.nih.gov/39756232/). *Int J Surg Case Rep*. [Case Report / Case Series]
Chua KJC (2025). [PMID: 40092737](https://pubmed.ncbi.nlm.nih.gov/40092737/). *Gynecol Oncol Rep*. [Case Report / Case Series]
Lin TC (2025). [PMID: 39794024](https://pubmed.ncbi.nlm.nih.gov/39794024/). *Taiwan J Obstet Gynecol*. [Case Report / Case Series]
Shadrack M (2025). [PMID: 40228345](https://pubmed.ncbi.nlm.nih.gov/40228345/). *Int J Surg Case Rep*. [Case Report / Case Series]
Asali F (2024). [PMID: 38855718](https://pubmed.ncbi.nlm.nih.gov/38855718/). *Case Rep Womens Health*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 11:55 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center