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.

Toxoplasmosis in an HIV-positive patient (MRI)

(A) T2 FLAIR imaging reveals multiple space-occupying lesions in the cortex and the basal ganglia with surrounding massive vasogenic edema with midline shift, hydrocephalus, and impending herniation. (B) T1-weighted postgadolinium image reveals ring enhancement with the classic “eccentric target” sign. (Contributed by Dr. Lama Abdel Wahed.)

Related Media

Associated Disorders

  • Encephalitis
  • Meningitis
  • Myelitis
  • Space-occupying, rim enhancing lesions