placental site trophoblastic tumor
MONDO:0020552
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.
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Placental site trophoblastic tumor
A placental site trophoblastic tumor is a form of gestational trophoblastic disease, which is thought to arise from the intermediate trophoblast. The tumor may secrete human placental lactogen, and result in a false-positive pregnancy test. A placental site trophoblastic tumor is a monophasic neoplasm of the implantation site intermediate trophoblast, and usually a benign lesion, which comprises less than 2% of all gestational trophoblastic proliferations. Preceding conditions include molar pregnancy (5%). Compared to choriocarcinoma or invasive mole, hemorrhage is less conspicuous and serum β-HCG level is low, making early diagnosis difficult.
Background only. Canonical identity remains MONDO; clinical-trial relationships come from ClinicalTrials.gov.Drugs being studied
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Disease identity and terminology: MONDO. Trial relationships: ClinicalTrials.gov.