A Randomized Controlled Trial to Improve the Therapeutic Effect of Robot-assisted Radical Prostatectomy (RARP) Using Indocyanine Green Fluorescence Imaging

Inclusion Criteria: Patients diagnosed with prostate cancer who underwent robot-assisted radical prostatectomy at Shanghai First People's Hospital Patients with naïve localized prostate cancer or locally advanced prostate cancer The patient \> 18 years and \< 85 years Before the surgery, the prostate MR scan sagittal view of the prostate in our hospital measured the separation of the bladder neck \< 1cm The patient underwent robot-assisted laparoscopic radical resection of the prostate malignancy in our hospital with anterior approach The patient returned to normal after surgery, and there were no postoperative complications such as intestinal obstruction that affected the patient's blood routine and biochemical indicators Exclusion Criteria: Patients with metastatic prostate cancer Patients without preoperative puncture pathology Patients with sagittal bladder neck separation ≥ 1cm of prostate MR non-contrast prostate in our hospital before surgery Patients with preoperative examinations confirming that the enlarged prostate protrudes into the bladder floor Patients with preoperative examination confirming that the lesion is located at the tip of the prostate and near the bladder neck Patients with tumor stage reaching cT4 stage and possible invasion of bladder neck Patients who have undergone adjuvant therapy such as endocrine therapy and radiotherapy before surgery Patients with a history of any prostate surgery other than needle biopsy prior to radical resection of pro…