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.

Urate crystals within a urine cytology specimen (high-magnification micrograph)

Pap stain. (Source: Photomicrograph by User: Nephron on WIkipedia. Creative Commons Attribution-Share Alike 3.0 Unported license,

Associated Disorders

  • Choreoathetosis
  • Dystonia
  • Gout
  • Hyperuricemia
  • Intellectual disability
  • Renal stones