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(A) Color Doppler examination after intracavernous injection of 10 μg of prostaglandin E1 in a healthy man. (B) Color Doppler examination after intracavernous injection of 10 μg of prostaglandin E1 in Peyronie’s patient having mixed (arterial and venous) vascular disease. The PSV value of 16 cm/s is below the cut-off value of 35 cm/s and is considered to be diagnostic for penile arterial disease. VOD was conducted in patients with both EDV >5 cm/s and RI <0.9.
