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.

Snowball lesions in corpus callosum of patient with Susac syndrome (2)

Sagittal image on 3D-MPRAGE showing several characteristic “snowball” lesions in the corpus callosum in a patient with Susac syndrome. (Source: Beça S, Elera-Fitzcarrald C, Saiz A, et al. Susac syndrome: description of a single-centre case series. J Clin Med 2022;11[21]:6549. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

Associated Disorders

  • Ankylosing spondylitis
  • Behçet disease
  • Cogan syndrome
  • Polyarteritis nodosa
  • Progressive system sclerosis
  • Relapsing polychondritis
  • Rheumatoid arthritis
  • Sjögren syndrome
  • Systemic lupus erythematosus
  • Takayasu arteritis
  • Temporal arteritis
  • Vogt-Koyanagi-Harada syndrome
  • Wegener granulomatosis
  • brainstem encephalitis
  • patients with Hu antibodies
  • patients with kelch-like protein 11 (KLHL11) antibodies
  • sensory neuronopathy
  • small cell lung cancer
  • testicular seminomas