Fig. 1From: Impact of percutaneous embolization versus subinguinal microsurgical ligation on semen parameters in primary varicocele patients: comparative studyGrayscale B mode scrotal ultrasound demonstrating multiple dilated pampiniform plexus veins reaching 6 mm (a). Color duplex examination shows accentuation of blood flow with reflux on the Valsalva maneuver (b)Back to article page