Development of a Symptoms Questionnaire for Complex Regional Pain Syndrome and Potentially Related Illnesses: The Trauma Related Neuronal Dysfunction Symptoms Inventory

The TSI is a reliable instrument with good content validity, which can be used in the evaluation of similarities and differences between CRPS-I and fibromyalgia. The systematic evaluation of symptoms of CRPS-I and potentially related illnesses may provide a better basis for future research into the underlying mechanism(s).