Sign Up for a Free Account

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

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • 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.

Congenital myotonic dystrophy (muscle biopsy) (2)

This biopsy is from a 2-month-old term infant with congenital myotonic dystrophy. Frozen transverse section shows myofibrillar ATPase stain preincubated at pH 9.4, confirming that the large fibers are type II and the small ones, type I. (Contributed by Dr. Harvey Sarnat.)

Related Article

Related Media

Associated Disorders

  • Steinert disease, neonatal form
  • congenital myopathies
  • myotonic disorders