placental vascular anomalies

Images

 Chorangioma

• https://twitter.com/H_Elshoni/status/738020768689197058
• https://twitter.com/slusagar/status/862351037075660800

Types

 intraplacental clotting
 intraplacental thrombosis
 intraplacental hematomas (intervillous thrombi )
 massive subchorial hematomas

• acute massive subchorial hematoma

 retroplacental hematoma
 marginal hematoma (marginal separation )

• acute marginal hematoma (marginal separation )
   placental abruption

 placental infarcts (villous infarcts )

• recent placental infarcts
• intermediate placental infarcts
• chronic placental infarcts

 maternal circulation anomalies

• decidual thrombi
• decidual hematoma
• decidual vascular lesions
• decidual vasculopathy
  • acute atherosis
  • spiral artery thrombosis
  • hypertrophic decidual vasculopathy

 villous edema
 focal villous stromal hemorrhage
 non vascular lesions of maternal circulation

• massive perivillous fibrin deposition (Gitterinfarcts )
• maternal floor infarct
• multifocal perivillous fibrin deposits

 fetal circulation anomalies

• fetal large vessel thrombi
• fetal thrombotic vasculopathy
• fetal vascular narrowing
• increased umbilical vascular resistance
• hemorrhagic endovasculitis
• endothelial cushions
• fibrinous vasculosis
• subamnionic hematoma
• fetal blood stasis
  • chorangioma
  • fetal vascular malformations

See also

 placental anomalies
 placental vascular tumors