Muscle or nerve disease can be diagnosed by a biopsy, often a critical
step to initiating certain medical regimens. Some of the following
conditions may be diagnosed by the Johns Hopkins Neuromuscular
Pathology or Cutaneous Nerve Laboratories through the evaluation of
muscle, nerve or skin biopsies:
• Inflammatory Myopathies
• Peripheral Neuropathies
• Muscular Dystrophies
• Amyloidosis
• Vasculitis