Pediatric Choroid Plexus Cyst

  • Etiology: Normal variant
  • Imaging: Round cyst in choroid plexus that is less than 1 centimeter in diameter
  • DDX:
  • Complications:
  • Treatment: None
  • Clinical: In 1% of pregnancies

Radiology Cases of Choroid Plexus Cyst

US of choroid plexus cyst
Coronal (above) and right of midline sagittal (below) US of the brain shows a small, round, anechoic structure in the right choroid plexus.
US of choroid plexus cyst
Coronal (left) and sagittal (right) US of the brain show a small, round, anechoic lesion within the otherwise echogenic left choroid plexus.