Comparison of Nonspherical Polyvinyl Alcohol Particles and Microspheres for Prostatic Arterial Embolization in Patients with Benign Prostatic Hyperplasia

Figure 2

Transrectal ultrasound (US) images before embolization and at follow-up after prostatic artery embolization (PAE) (the same case as shown in Figure 1). Total volume (a and c) and transition zone volume (b and d) were obtained. US images obtained before PAE (a and b) and 24 months after PAE (c and d) showing marked reduction in prostatic volume.

(a)

(b)

(c)

(d)