Prostate Zonal Anatomy

Superiorly located portion of the prostate containing 25 of the prostatic glandular tissue. Transition zone surrounds the prostatic urethra.

Robot Assisted Partial Prostatectomy For Anterior Prostate

The central zone constitutes 25 of the glandular prostate.

Prostate zonal anatomy. The large cup shaped peripheral zone pz encompasses the central and transition zones and accounts for approximately 70 of the total prostate volume in a young adult. The prostate is comprised of three distinct zones with different embryologic origins. The display of zonal anatomy was improved when continuous 05 cm slices were used.

Its ducts arise close to the ejaculatory duct orifices and follow these ducts proximally branching laterally near the prostate base. Evaluating sequential sections the peripheral central and transition zones could be differentiated. Prostate zone anatomy prostate cancer and imaging.

This zone enlarges in aging men resulting in benign prostatic hyperplasia. The central zone constitutes 25 of the glandular prostate. Ejaculatroy ducts pass through this zone from the seminal vesicles to the urethra prostate zonal anatomy mcneal click card to see definition.

The transition zone comprises only 510 of the glandular tissue in the young male. Zonal anatomy of the normal prostate as described by mcneal 8 9 10. The peripheral zone showed higher signal intensity than either the central or transition zone.

Benign prostatic hyperplasia is a reason for a dramatic increase. Its ducts arise close to the ejaculatory duct orifices and follow these ducts proximally branching laterally near the prostate base. Zonal anatomy of the prostate transition zone.

Mr imaging of the prostate gland. Its ducts arise close to the ejaculatory duct orifices and follow these ducts proximally branching laterally near the prostate base. The largest area of the peripheral zone is at the back of the gland closest to the rectal wall.

The central zone originates probably from the wolffian duct. The anterior fibromuscular stroma 5 of the prostate. The peripheral zone surrounds the distal prostatic urethra at the apex of the prostate and extends posterolaterally to the base.

The zonal anatomy of the prostate. Prostate hyperplasia bph less commonly occurs outside of the transition zone. Central zone lies in the base of the prostate behind the transition zone and surrounds the left and the right ejaculatory duct.

Scroll through the images to see the zones in which the prostate is divided. The peripheral zone pz contains the majority of prostatic glandular tissue. Small bph nodule at r base at the centralperipheral zone border benign prostate hyperplasia bph typically arises in the transition zone distorts zonal anatomy and can get very large over 200 ml.

Its lateral border fuses with the proximal peripheral zone border completing in continuity with the peripheral zone. The prostate gland is composed of different types of tissue divided into zones. The central zone forms part of the base of the prostate and it is traversed by the ejaculatory ducts.

Prostate Wikipedia