# OnCo record placental-site-trophoblastic-tumour (cancer). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/cancers/placental-site-trophoblastic-tumour/>
  a schema:MedicalCondition ;
  onco:kind "cancer" ;
  schema:identifier "placental-site-trophoblastic-tumour" ;
  schema:name "Placental-site trophoblastic tumour and epithelioid trophoblastic tumour"@en ;
  schema:alternateName "PSTT"@en, "ETT"@en, "Intermediate trophoblastic tumours"@en, "Epithelioid trophoblastic tumour"@en, "Placental site trophoblastic tumor"@en ;
  schema:description "Placental-site and epithelioid trophoblastic tumours are the rare, slow-growing forms of gestational trophoblastic neoplasia, arising from the intermediate trophoblast cells that anchor the placenta rather than the hormone-producing cells behind choriocarcinoma. They make little hCG and respond poorly to chemotherapy, so hysterectomy comes first, with platinum chemotherapy when they have spread."@en ;
  schema:url <https://onco.cc/cancers/placental-site-trophoblastic-tumour/> ;
  schema:dateModified "2026-09-18"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Placental_site_trophoblastic_tumor> ;
  schema:citation <https://www.nccn.org/guidelines/guidelines-detail?category=1&id=1489>, <https://en.wikipedia.org/wiki/Placental_site_trophoblastic_tumor> ;
  onco:tag "subtype-page", "gynaecologic" ;
  onco:related <https://onco.cc/cancers/low-risk-gtn/>, <https://onco.cc/cancers/high-risk-gtn/>, <https://onco.cc/cancers/gestational-trophoblastic/> ;
  onco:technologies <https://onco.cc/technologies/histopathology-ihc/>, <https://onco.cc/technologies/mri/>, <https://onco.cc/technologies/ct/>, <https://onco.cc/technologies/pet-ct/>, <https://onco.cc/technologies/fertility-preservation/>, <https://onco.cc/technologies/cytotoxic-chemotherapy/>, <https://onco.cc/technologies/autologous-stem-cell-transplant/> ;
  onco:drugs <https://onco.cc/drugs/etoposide/>, <https://onco.cc/drugs/cisplatin/>, <https://onco.cc/drugs/methotrexate/>, <https://onco.cc/drugs/dactinomycin/>, <https://onco.cc/drugs/paclitaxel/>, <https://onco.cc/drugs/pembrolizumab/> ;
  onco:terms <https://onco.cc/terms/tumour-markers/>, <https://onco.cc/terms/lymphadenectomy/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-schmid-placental-site-trophoblastic-tumour-outcomes-lancet-2009/>, <https://onco.cc/key-papers/paper-froeling-pstt-ett-intensified-therapy-bjc-2019/>, <https://onco.cc/key-papers/paper-figo-cancer-report-gestational-trophoblastic-disease-ijgo-2021/> ;
  onco:pipeline <https://onco.cc/drugs/pembrolizumab/> ;
  onco:standardOfCare <https://onco.cc/technologies/histopathology-ihc/>, <https://onco.cc/technologies/mri/>, <https://onco.cc/technologies/ct/>, <https://onco.cc/technologies/pet-ct/>, <https://onco.cc/terms/tumour-markers/>, <https://onco.cc/technologies/fertility-preservation/>, <https://onco.cc/terms/lymphadenectomy/>, <https://onco.cc/drugs/etoposide/>, <https://onco.cc/drugs/cisplatin/>, <https://onco.cc/drugs/methotrexate/>, <https://onco.cc/drugs/dactinomycin/>, <https://onco.cc/drugs/paclitaxel/>, <https://onco.cc/technologies/cytotoxic-chemotherapy/>, <https://onco.cc/technologies/autologous-stem-cell-transplant/>, <https://onco.cc/drugs/pembrolizumab/>, <https://onco.cc/technologies/pet-ct/>, <https://onco.cc/terms/tumour-markers/>, <https://onco.cc/technologies/mri/> .