Is digital subtraction flouroscopy a useful tool for the interventional pain physician?

Most interventional pain physicians are experts in the use of fluoroscopy and understand its importance in improving the safety, accuracy and efficacy of diagnostic and therapeutic procedures. The addition of digital subtraction may enhance the utility of radiography and improve the accuracy of our interpretations. This article illustrates the use of the technique in several patients. The utility of this enhanced technique in clinical versus research application remains to be determined.