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Placental site trophoblastic tumor is a rare gestational trophoblastic tumor (GTT) which develops from the placental implantation site and always occurs following pregnancy, voluntary termination of pregnancy (VTP) or miscarriage.
Features include very common findings: Amenorrhea and Metrorrhagia.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Hormones | 1 | Amenorrhea |
Biomarker and diagnostic research for placental site trophoblastic tumor has been reported in the published literature.
Phenotype severity distribution: 2 very common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for placental site trophoblastic tumor.
59 publications have been identified in PubMed for placental site trophoblastic tumor. Research spans Case Report / Case Series (44%), Review / Meta-Analysis (24%), and Other (10%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 26 | 44% |
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 8:44 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
14 |
24% |
Other research | 6 | 10% |
Testing and diagnosis research | 5 | 8% |
Disease patterns and progression | 4 | 7% |
Laboratory research | 3 | 5% |
Clinical study results | 1 | 2% |
Trecourt A (2026). [PMID: 41491402](https://pubmed.ncbi.nlm.nih.gov/41491402/). *Am J Surg Pathol*. [Case Report / Case Series]
Li B (2026). [PMID: 41105445](https://pubmed.ncbi.nlm.nih.gov/41105445/). *Ultrasound Obstet Gynecol*. [Other]
Lin LH (2026). [PMID: 40644332](https://pubmed.ncbi.nlm.nih.gov/40644332/). *Int J Gynecol Pathol*. [Diagnostic / Biomarker]
Uberti EMH (2026). [PMID: 41165290](https://pubmed.ncbi.nlm.nih.gov/41165290/). *Int J Gynaecol Obstet*. [Case Report / Case Series]
Yang C (2026). [PMID: 41971913](https://pubmed.ncbi.nlm.nih.gov/41971913/). *AME Case Rep*. [Case Report / Case Series]
Descargues P (2026). [PMID: 41567618](https://pubmed.ncbi.nlm.nih.gov/41567618/). *Gynecol Oncol Rep*. [Case Report / Case Series]
Lin LH (2026). [PMID: 41193406](https://pubmed.ncbi.nlm.nih.gov/41193406/). *Am J Surg Pathol*. [Diagnostic / Biomarker]
Bruce S (2026). [PMID: 29261918](https://pubmed.ncbi.nlm.nih.gov/29261918/). *Unknown Journal*. [Other]
Ting R (2026). [PMID: 42022726](https://pubmed.ncbi.nlm.nih.gov/42022726/). *Cureus*. [Case Report / Case Series]
AlJumah MM (2026). [PMID: 42058518](https://pubmed.ncbi.nlm.nih.gov/42058518/). *J Surg Case Rep*. [Case Report / Case Series]
AI-curated news mentioning placental site trophoblastic tumor
Updated Apr 8, 2026
A recent case report details a primary epithelioid trophoblastic tumor of the vagina, contributing to the understanding of this rare condition. The literature review provides insights into diagnosis and management strategies.