Complex regional pain syndrome differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Complex regional pain syndrome must be differentiated from conditions such as Sudeck syndrome, Steinbrocker syndrome, and erythromelalgia.

Differentiating Complex Regional Pain Syndrome from other Diseases

CRPS has characteristics similar to those of other disorders, such as shoulder-hand syndrome, which sometimes occurs after a heart attack and is marked by pain and stiffness in the arm and shoulder; Sudeck syndrome, which is prevalent in older people and women and is characterized by bone changes and muscular atrophy, but is not always associated with trauma; and Steinbrocker syndrome, which includes symptoms such as gradual stiffness, discomfort, and weakness in the shoulder and hand. Erythromelalgia also shares many components of CRPS (burning pain, redness, temperature hypersensitivity, autonomic dysfunction, vasospasm)they both involve small fiber sensory neurosympathetic components. Interestingly Erythromelalgia involves a lack of sweating, whereas CRPS often involves increased sweating. Subvariations of both exist.

References

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