Weekly Image Challenge – March 19, 2022

What is the most likely diagnosis in these scans of an 8-month-old child who had presented with vomiting and irritability?

  1. Ependymoma
  2. Choroid plexus carcinoma
  3. Central neurocytoma
  4. Subependymal giant cell astrocytoma
  5. Meningioma

Answer

Congratulations to those who guessed choroid plexus carcinoma.

These are rare, homogenously enhancing lesions, often associated with hydrocephalus. They are usually iso-intense on T1- & T2-weighted images. Mostly occur in children during the first 5 years of life.