Comparison of anal sonography with conventional needle electromyography in the evaluation of anal sphincter defects.

OBJECTIVE A comparison of anal sonography with conventional electromyographic mapping in the evaluation of anal sphincter defects was the aim of this study. METHODS In 23 patients with defecatory problems referred for conventional needle electromyography (EMG), anal endosonography, with a 7.5-MHz, 355 degrees scanner, was performed before EMG to determine… CONTINUE READING