Fetal adrenal haemorrhage

A fetal adrenal haemorrhage is an uncommon occurrence.

The exact cause of adrenal bleeding in utero is not well known at the time of writing. It has been associated with birth trauma (breech birth), perinatal asphyxia, sepsis, and congenital infections (classically syphilis) 8-9.

Location

It can occur unilaterally or bilaterally. There is greater incidence on the right side (75%) 9.

Ultrasound

An adrenal haemorrhage may be seen as a mass above the fetal kidneys and will demonstrate changing characteristics in terms of echotexture on sequential images as it evolves from hyper echoic to iso-echoic to hypo-echoic. Colour Doppler interrogation with not show any associated intrinsic vascularity. The haematoma may also change in size through time. Calcification of the adrenal may be the consequence of prior haemorrhage (although calcification is also seen in neuoblastoma) 9.

For a fetal adrenal mass consider:

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Article Information

rID: 13815
System: Obstetrics
Tag: cases
Synonyms or Alternate Spellings:
  • Fetal adrenal hemorrhage
  • Fetal adrenal bleed
  • In utero adrenal hemorrhage
  • In utero adrenal haemorrhage
  • Fetal adrenal haematoma
  • Fetal adrenal hematoma
  • Fetal adrenal bleeding

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