Ultrasound: A non-invasive imaging approach that makes use of sound waves to visualize the veins from the scrotum and make sure the existence of a varicocele. An ultrasound or Doppler ultrasound can be done to show the varicocele as part of your scrotum. An ultrasound works by using seem waves https://www.sgvascularctr.com/a-guide-to-varicocele-treatment-in-singapore/