Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Ring enhancing nodule (MRI)

Post-contrast T1-weighted sagittal image shows a ring enhancing nodule (clotted aneurysm on angiogram) with a rim of faint T1-signal border situated superior to it, outlining the acute bleed. Note the flow-voids compatible with hyperdynamic flow. (Contributed by Dr. Gaurang Shah.)

Related Media