Placental cyst

Placental cyst refers to a simple cystic lesion that develops in relation to the placenta.

Their estimated prevalence is at 2-20% of all pregnancies.

Location

They may be divided into two types dependant on location:

Antenatal ultrasound

May be seen as an anechoic rounded/ovoid cyst in association with placental tissue. Colour Doppler interrogation shows no evidence of any vascular flow.

  • large cysts (often those >4.5 cm) or multiple cysts may be a causative factor in intrauterine growth restriction (IUGR) especially when attached in close proximity to the umbilical cord insertion site 1,3.
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Article information

rID: 13479
System: Obstetrics
Tag: cases
Synonyms or Alternate Spellings:
  • Placental cysts

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