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 - Northwestern Memorial Hospital - Chicago


There is no specific diagnostic test for complex regional pain syndrome. Making a firm diagnosis of complex regional pain syndrome may be difficult early in the course of the disorder when symptoms are few or mild. The diagnosis is made after obtaining a complete medical history, performing a thorough physical examination and through observation of the following symptoms:

  • Presence of an initial injury
  • Higher than expected amount of pain from an injury
  • Change in appearance of the affected area
  • No other apparent cause of pain or altered appearance

A history of a predisposing condition with typical symptoms and physical change in the painful region of the body are often enough to make the diagnosis. However, additional tests may be ordered to rule out other conditions.

Other tests may include:

  • Magnetic Resonance Imaging (MRI)
  • Triple Phase Bone Scan
  • Nerve Block
Last UpdateFebruary 8, 2011