Complex regional pain syndrome other imaging findings
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Complex regional pain syndrome Microchapters |
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Differentiating Complex Regional Pain Syndrome from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
No specific test is available for CRPS, which is diagnosed primarily through observation of the symptoms. However, thermography, sweat testing, x-rays, electrodiagnostics, and sympathetic blocks can be used to build up a picture of the disorder. Three phase bones scans have been thought of as one of the most specific diagnostic studies for RSD, but they are not very sensitive and therefor delay recognition of cases. A delay in diagnosis and/or treatment for this syndrome can result in severe physical and psychological problems. Early recognition and prompt treatment provide the greatest opportunity for recovery.
Other Imaging Findings
Patchy osteoporosis, which may be due to disuse of the affected extremity, can be detected through X-ray imagery as early as two weeks after the onset of CRPS. A bone scan of the affected limb may detect these changes even sooner. Bone densitometry can also be used to detect changes in bone mineral density. It can also be used to monitor the results of treatment, as bone densitometry parameters improve with treatment.