Measurement of urethral meatus circumference in middle-aged and elderly men scheduled for benign prostatic hyperplasia surgery
10.12483/j.issn.1009-8291.2026.05.007
- VernacularTitle:拟接受良性前列腺增生手术的中老年男性尿道外口周径的测量
- Author:
Zhe LIU
1
;
Long TIAN
2
;
Quan WAN
3
;
Zejun REN
1
;
Jianbin MA
1
;
Lin YANG
1
Author Information
1. Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061
2. Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061; Department of Urology, The First Affiliated Hospital of Xi'an Medical University, Xi'an 710077
3. Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061; Department of Urology, Xi'an Electric Power Central Hospital, Xi'an 710032, China
- Publication Type:Journal Article
- Keywords:
urethral meatus circumference;
urethral stricture;
transurethral resection of the prostate;
benign prostatic hyperplasia
- From:
Journal of Modern Urology
2026;31(5):440-442
- CountryChina
- Language:Chinese
-
Abstract:
Objective To measure the urethral meatus circumference in middle-aged and elderly males to undergo surgery for benign prostatic hyperplasia (BPH), and to collect data for developing endoscopic equipment suitable for the male urethra in China. Methods Clinical data were collected from patients (aged ≥50 years) who underwent transurethral resection of prostate in the First Affiliated Hospital of Xi'an Jiaotong University during Jan. and Dec. 2024. All patients had the urethral meatus circumference measured with a metal urethral probe before surgery, followed by the use of a F26.5 endoscopic sheath for surgery. The passage of urethral meatus using different types of metal urethral probes were observed. Results For the 183 patients, the types of endoscopic sheath smoothly passing through the urethral meatus were distributed as follows:42 cases (22.95%) with F26 or above, 66 cases (36.07%) with F25-26, 27 cases (14.75%) with F23-24, 26 cases (14.21%) with F21-22, 22 cases (12.02%) with F20 or below, and the smallest was F17 (1 case). Of all patients, 59.02% (108/183) were able to insert the F26.5 endoscopic sheath smoothly into the urethral meatus (≥F25), 28.96% (53/183) required force or urethral dilation before inserting (F21-F24), and 12.02% (22/183) needed to open the urethral meatus before inserting the endoscopic sheath (≤F20). Conclusion When the most common F26.5 endoscopic sheath is used, 40.98% of the patients have the possibility of urethral injury, which is significantly too big for male transurethral surgery. For patients undergoing transurethral BPH surgery, a thinner sheath should be used to reduce the possibility of urethral injury and secondary iatrogenic urethral stricture.
