CT prostate angiogram for nerve-sparing robot-assisted radical prostatectomy.

Area of Science:

• Urology
• Surgical Oncology
• Medical Imaging

Background:

• Robot-assisted radical prostatectomy (RARP) is a standard treatment for localized prostate cancer.
• Preserving neurovascular bundles (NVB) is vital for post-operative erectile function and urinary continence.
• Accurate intraoperative identification of NVB remains a challenge in RARP.

Purpose of the Study:

• To review the anatomy of the prostate, NVB, and vasculature relevant to RARP.
• To evaluate the utility of CT prostate angiography (CTPA) in preoperative planning for RARP.
• To assess CTPA's potential to improve nerve-sparing (NS) RARP outcomes, particularly erectile function.

Main Methods:

• This is a hypothesis-generating narrative review.
• The review synthesizes existing literature on prostate anatomy, NVB, vasculature, and RARP techniques.
• It specifically examines the role of CTPA in visualizing prostatic arteries for surgical planning.

Main Results:

• Prostatic artery branches can serve as anatomical references for NVB during NS RARP.
• CTPA offers detailed vascular mapping, potentially aiding in precise prostate artery localization.
• Improved localization of vasculature may facilitate better NVB identification and preservation during surgery.

Conclusions:

• CTPA, while used in benign prostatic hyperplasia treatment, is not standard for NS RARP planning.
• Further research is needed to confirm if CTPA improves functional outcomes and recovery post-RARP.
• Cost, time, and radiation exposure are factors to consider before routine adoption of CTPA for RARP.