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 (1)

Sagittal FLAIR sequence image 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