Placenta

• intraplacental choriocarcinoma
  2 February 2006

  References
  Sebire NJ, Lindsay I, Fisher RA, Seckl MJ. Intraplacental choriocarcinoma: experience from a tertiary referral center and relationship with infantile choriocarcinoma. Fetal Pediatr Pathol. 2005 Jan-Feb;24(1):21-9. PMID: #16175749#

• chorangiomatosis
  2 February 2006

  Diffuse chorangiomatosis (CM) is characterized by multifocal stem villi enlargement containing increased number of small vessels with alpha-smooth muscle actin positive cells in the walls in a dense reticulin fibers-rich stroma.
  Predisposition
  Beckwith-Wiedemann syndrome (#1570237#)
  References
  Saltzman M, Drut M, Drut R. Luteinized cystic ovarian hyperplasia associated with placentomegaly due to chorangiomatosis. Fetal Pediatr Pathol. 2005 Jan-Feb;24(1):31-7. PMID: #16175750#
  Drut (...)

• placentomegaly
  2 February 2006

  Etiology
  chorangiomatosis (#16175750#)

• placental hydatidiform changes
  16 January 2006

  Etiology (Exemples)
  constitutional triploidy
  See also
  Placenta hydatiform mole

• large placenta
  16 January 2006

  Etiology (Exemples)
  fetal hyperinsulinism maternal diabetes
  constitutional triploidy
  See also
  Placenta

• trophoblastic inclusions
  16 January 2006

  See also
  Placenta placental malformations placental lesions placental diseases

• large cisternae within villi
  16 January 2006

  Etiology (Exemples)
  constitutional triploidy

• fetal thrombotic vasculopathy
  15 January 2006

  FTV PO
  Definition: Thrombi in the fetal circulation of the placenta cause a pattern of clustered fibrotic villi called fetal thrombotic vasculopathy (FTV), which has been associated with serious injuries to neonates, especially brain injuries.
  Images
  FTV - endothelial cushioning lesion and avascular villi https://twitter.com/E_Heidi_Cheek/status/877341379407495169 https://twitter.com/E_Heidi_Cheek/status/878963340713885697
  Synopsis
  fetal somatic thrombi (37.5%) cerebral (...)

• placental thrombosis
  10 January 2006

  See also
  Thrombus

• placental intervillous thrombus
  10 January 2006

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