Pediatric Choroid Plexus Carcinoma

  • Etiology: malignant neoplasm arising from choroid plexus epithelium
  • CT: dense mass on unenhanced CT, avidly enhances, ventriculomegaly due to overproduction of CSF
  • Complications: CSF drop metastases
  • DDX: imaging can’t distinguish between choroid plexus papilloma + choroid plexus carcinoma
  • Clinical: most common brain tumor in < 1 year old

Radiology Cases of Choroid Plexus Carcinoma