placental site trophoblastic tumor
MONDO:0020552Mondo
Findings
No curated finding names placental site trophoblastic tumor yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
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.
Definition from the Mondo Disease Ontology (MONDO:0020552), read 2026-09-29. CC BY 4.0.
- Onset and course
- Miscarriage
HPO, annotations 2026-09-02
Features
2 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- AmenorrheaHPOHP:0000141
- Very frequent (80% to 99% of cases)
- MetrorrhagiaHPOHP:0100608
- Very frequent (80% to 99% of cases)
Where it sits
Other names
9 names
Resolves to: placental site trophoblastic tumor
- Also called
- placental site gestational trophoblastic tumorplacental site gestational trophoblastic tumourplacental site trophoblastic tumor (morphologic abnormality)placental site trophoblastic tumour (morphologic abnormality)placental-site gestational trophoblastic neoplasmplacental-site gestational trophoblastic tumorplacental-site gestational trophoblastic tumourplacental-site GTTPSST