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Urethrectomy

Urethrectomy is partial or total removal of the urethra. Although primary urologic oncology is outside WARWIKI's scope, urethrectomy is a procedure reconstructive urologists are routinely called to help with — most commonly as the urethra-stripping step of radical cystectomy that determines orthotopic neobladder candidacy, less commonly as definitive treatment for primary urethral carcinoma where reconstructive technique (phallic preservation, rectus-flap neovaginoplasty after anterior exenteration) enters the operation. As masters of the urethra, reconstructionists are best positioned to perform the dissection efficiently and to advise the diversion decision that follows.

This page covers (1) when urethrectomy is indicated, (2) the technical approaches male and female, and (3) the reconstructive consequences that anchor it back to WARWIKI work.

Indications​

At Radical Cystectomy​

The 2024 AUA / ASCO / SUO MIBC guideline recommends urethrectomy when:[1]

  • High-grade cancer at the apical urethral margin (frozen-section or final pathology).
  • Women not undergoing neobladder reconstruction.

Classic Ahlering / Skinner indications still cited:[2]

  • Clinically overt urethral involvement.
  • Prostatic stromal invasion.
  • CIS of the prostatic urethra.
  • Bloody urethral discharge after cystectomy.

Additional risk factors: multifocal tumors, diffuse CIS, and trigone / bladder-neck involvement.[3]

Primary Urethral Carcinoma​

NCCN 2026 recommendations:[4]

PatientStageRecommended primary treatment
MaleT2 pendulous urethraDistal urethrectomy (or partial penectomy)
MaleT2 bulbar urethraUrethrectomy ± cystoprostatectomy
FemaleT2 (proximal)Urethrectomy + cystectomy
FemaleT2 (distal)Distal urethrectomy
AnyT3 / T4Chemoradiotherapy preferred; surgery (including urethrectomy) as consolidation

Surgical Approaches — Male​

Prepubic Approach (workhorse)​

The prepubic technique is the most widely described approach for total urethrectomy performed concurrently with radical cystoprostatectomy. Single-center 20-year series (n = 180):[5]

  1. After cystoprostatectomy, identify the urethra at the prostatic apex and divide.
  2. Mobilize the urethra from above (prepubically), dissecting it free from the surrounding corpus spongiosum in a retrograde direction toward the meatus.
  3. Continue along the ventral surface of the corpora cavernosa, separating the corpus spongiosum containing the urethra.
  4. Deliver the urethra through the prepubic space and remove en bloc with the cystoprostatectomy specimen.

Hiebl urethral-stripping modification for difficult bulbar dissection — after periurethral mobilization, the urethra is cannulated with an 18 Fr catheter, sutured distally, and stripped free — reducing operative time to 20–30 min with no significant complications.[6]

Prepubic vs perineal — comparative outcomes (Elshal 2011, modified Clavien):[7]

MetricPrepubicPerinealp
Operative time174 min209 min0.003
Hospital stay14.5 d17.6 d0.047
Clavien G4–5 complications9.5%28%0.033
Added OR time vs cystectomy alone~17 min (15–25)35+ min—
Repositioning to lithotomyNoYes—

Perineal Approach (traditional)​

  1. Lithotomy positioning.
  2. Midline perineal incision; dissect through subcutaneous tissue to the bulbospongiosus muscle.
  3. Incise the bulbospongiosus muscle longitudinally at the midline and separate from corpus spongiosum.
  4. Circumferentially detach the urethra from the corporal bodies; mobilize from the penoscrotal angle to the urogenital diaphragm.
  5. For the penile urethra, circumferential subcoronal incision ~ 0.5 cm below the glans allows degloving along Buck's fascia.
  6. Progressively dissect the corpus spongiosum containing the urethra off the corpora cavernosa — the penis is essentially "turned inside out" to achieve complete excision.[8]

En Bloc Transpubic Approach​

Partial pubectomy achieves en bloc urethrectomy with cystectomy — avoids a separate perineal incision (and its contamination risk) while providing exposure comparable to the perineal route. Adds ~ 30 min to operative time.[9]

Phallus preservation for locally advanced proximal urethral carcinoma — en bloc pubectomy with complete perineal urethrectomy can be combined with phallic preservation. The remnant penis survives on arterial supply from the superficial penile arteries arising from the external pudendal arteries — a reconstructive-urology technique that turns a mutilating operation into a phallus-preserving one in selected patients.[10]

Minimally Invasive​

  • Laparoscopic — 5-port transperitoneal cystoprostatectomy + lymphadenectomy with perineal urethrectomy and specimen extraction. Total operative time 4.5–4.8 h.[11]
  • Robot-assisted — side-docking provides better perineal access than central docking, allowing simultaneous urethrectomy without undocking. A novel urethra-preserving robotic technique reported zero urethral recurrences (0 / 134) with favorable perioperative outcomes vs robotic prophylactic urethrectomy.[12][13]

Surgical Approaches — Female​

In women, urethrectomy is typically performed as part of anterior exenteration (radical cystectomy with removal of uterus, fallopian tubes, ovaries, and anterior vaginal wall):[1][14]

Key Anatomy​

  • The vaginal-wall smooth muscle contributes to urethral wall formation, particularly when the detrusor is poorly developed.[15]
  • The middle urethra is tightly attached to vaginal smooth muscle with abundant veins at the interface — a major source of bleeding.[15]
  • The rhabdosphincter fibers are concentrated in the middle and caudal thirds of the urethra; continence can be maintained if innervation remains intact when only the bladder neck and proximal urethra are removed.[16]

Technique​

  • Antegrade dissection from bladder neck distally allows direct vision; mean EBL ~ 965 mL.[15]
  • The vaginal wall is taken with the specimen when oncologically indicated.
  • Reconstruction: when significant vaginal resection is required, a rectus abdominis myocutaneous flap vaginoplasty restores vaginal length and provides perineal-pelvic bulk.[17]

Distal Urethrectomy for Distal Lesions​

For distal female urethral lesions, distal urethrectomy with advancement meatoplasty preserves continence — see Distal Urethrectomy + Advancement Meatoplasty.

Oncologic Outcomes​

Urethrectomy at Cystectomy — Risk-Stratified Benefit​

  • Multicenter (n = 887, Laukhtina 2022): urethrectomy at radical cystectomy did not improve PFS, CSS, or OS in the overall cohort; in the high-risk subgroup (urethral invasion, bladder-neck invasion, multifocality, or prostatic urethra involvement), urethrectomy significantly reduced progression risk (HR 0.58, p = 0.04).[18]
  • Propensity-matched (Hakozaki 2021): prophylactic urethrectomy significantly improved OS in patients with multiple tumors and/or concomitant CIS (5-yr OS benefit, p = 0.021), particularly those not receiving neoadjuvant chemotherapy.[19]
  • Large single-center propensity-matched (n = 332, Mennes 2025): 10-yr OS improved with prophylactic urethrectomy (47.3% vs 27.5%, p = 0.002); CSS and RFS differences were not significant.[20]

Urethral recurrence rate after cystectomy without urethrectomy: 4–18%, with uniformly poor prognosis.[3][5]

Primary Urethral Carcinoma (rare)​

27-year institutional series of primary urethral squamous cell carcinoma (the most common histology): urethrectomy was the most frequently performed surgical procedure (34.3%); 5-yr OS 93.8%, RFS 56.8%; LN and regional GU sites most common metastatic locations.[21]

Complications​

ComplicationPrepubicPerineal
Overall complication rate~5.5%[5]~21%[7]
High-grade (Clavien G4–5)9.5%[7]28%[7]
Subcutaneous penile hematoma2.2%[5]—
Scrotal hematoma2.7%[5]—
Thromboembolic riskNone reported[5]Higher (lithotomy)[7]
Added operative time~17 min[5]35+ min[7]

EBL and overall postoperative complication rates are comparable between patients who do and do not undergo urethrectomy at cystectomy.[18] Segmental urethrectomy for non-oncologic indications (traumatic lesions) generally does not affect continence or sexual function.[22]

Reconstructive Implications​

  • Neobladder candidacy is destroyed by urethrectomy. A reconstructionist asked to perform or assist with the urethrectomy step should confirm the diversion plan first — once the urethra is out, the patient is committed to a conduit, continent cutaneous pouch, or ureterosigmoidostomy.
  • Frozen-section apical urethral margin is the most reliable intraoperative tool for selecting urethrectomy candidates at the time of radical cystoprostatectomy.[1]
  • Urethra-preserving robotic technique (Zennami 2024) is a reasonable strategy when oncologic criteria do not mandate urethrectomy and neobladder candidacy is being preserved.[13]
  • Phallus preservation in proximal urethral carcinoma turns a traditionally mutilating operation into a reconstructive one — the external pudendal / superficial penile arterial supply is the basis for the technique.[10]
  • Female anterior exenteration with vaginal-wall resection routinely requires a rectus abdominis flap vaginoplasty / pelvic reconstruction — a reconstructionist's contribution to the multidisciplinary cystectomy.[17]

See Also​

References​

1. Holzbeierlein J, Bixler BR, Buckley DI, et al. Treatment of non-metastatic muscle-invasive bladder cancer: AUA/ASCO/SUO guideline (2017; amended 2020, 2024). J Urol. 2024;212(1):3–10. doi:10.1097/JU.0000000000003981

2. Ahlering TE, Lieskovsky G, Skinner DG. Indications for urethrectomy in men undergoing single-stage radical cystectomy for bladder cancer. J Urol. 1984;131(4):657–9. doi:10.1016/s0022-5347(17)50562-5

3. Zabbo A, Montie JE. Management of the urethra in men undergoing radical cystectomy for bladder cancer. J Urol. 1984;131(2):267–8. doi:10.1016/s0022-5347(17)50342-0

4. National Comprehensive Cancer Network. Bladder Cancer (Version 1.2026). Updated 2026-03-16.

5. Joniau S, Shabana W, Verlinde B, Van Poppel H. Prepubic urethrectomy during radical cystoprostatectomy. Eur Urol. 2007;51(4):915–21. doi:10.1016/j.eururo.2006.09.046

6. Hiebl R, Langen PH, Haben B, Polsky MS, Steffens J. Prepubic urethrectomy with urethral stripping. J Urol. 1999;162(1):127–8. doi:10.1097/00005392-199907000-00029

7. Elshal AM, Barakat TS, Mosbah A, Abdel-Latif M, Abol-Enein H. Complications of radical cysto-urethrectomy using modified Clavien grading system: prepubic versus perineal urethrectomy. BJU Int. 2011;108(8):1297–300. doi:10.1111/j.1464-410X.2010.09987.x

8. Verla W, Oosterlinck W, Spinoit AF, Waterloos M. A comprehensive review emphasizing anatomy, etiology, diagnosis, and treatment of male urethral stricture disease. Biomed Res Int. 2019;2019:9046430. doi:10.1155/2019/9046430

9. DeTure FA. En bloc transpubic urethrectomy in conjunction with radical cystectomy for bladder carcinoma in males. Urology. 1977;10(6):553–5. doi:10.1016/0090-4295(77)90100-5

10. March B, Palma CA, Leslie S, et al. Phallus preservation for locally advanced proximal primary urethral carcinoma: technique and outcomes. Urology. 2023;173:198–203. doi:10.1016/j.urology.2022.12.034

11. Castillo OA, Pinto I, Portalier P, Díaz MA, Vitagliano G. Laparoscopic radical cystoprostatectomy and in-block urethrectomy in urethral cancer: initial experience in 2 cases. Surg Laparosc Endosc Percutan Tech. 2007;17(1):38–41. doi:10.1097/01.sle.0000213754.69137.2b

12. Chan ES, Yee CH, Chiu PK, et al. Robot-assisted radical cystectomy using a side-docking technique. J Laparoendosc Adv Surg Tech A. 2015;25(3):207–11. doi:10.1089/lap.2014.0417

13. Zennami K, Sumitomo M, Nukaya T, et al. Impact of urethra-preserving surgery during radical cystectomy: an optimal urethral management in the robotic era. Clin Genitourin Cancer. 2024;22(6):102146. doi:10.1016/j.clgc.2024.102146

14. Marshall FF, Treiger BF. Radical cystectomy (anterior exenteration) in the female patient. Urol Clin North Am. 1991;18(4):765–75.

15. Hinata N, Murakami G, Abe S, et al. Detailed histological investigation of the female urethra: application to radical cystectomy. J Urol. 2012;187(2):451–6. doi:10.1016/j.juro.2011.10.037

16. Colleselli K, Stenzl A, Eder R, et al. The female urethral sphincter: a morphological and topographical study. J Urol. 1998;160(1):49–54. doi:10.1016/s0022-5347(01)63025-8

17. Parsons JK, Tufaro A, Chang B, Schoenberg MP. Rectus abdominis vaginoplasty after anterior exenteration for urologic malignancy. Urology. 2003;61(6):1249–52; discussion 1253. doi:10.1016/s0090-4295(03)00147-x

18. Laukhtina E, Boehm A, Peyronnet B, et al. Urethrectomy at the time of radical cystectomy for non-metastatic urothelial carcinoma of the bladder: a collaborative multicenter study. World J Urol. 2022;40(7):1689–1696. doi:10.1007/s00345-022-04025-z

19. Hakozaki K, Kikuchi E, Ogihara K, et al. Significance of prophylactic urethrectomy at the time of radical cystectomy for bladder cancer. Jpn J Clin Oncol. 2021;51(2):287–295. doi:10.1093/jjco/hyaa168

20. Mennes J, Akand M, Benijts R, et al. Prophylactic urethrectomy at the time of radical cystectomy for bladder cancer: does it really have an effect on oncological outcomes? BJU Int. 2025. doi:10.1111/bju.70096

21. Zahir M, Doshi C, Escobar D, et al. Primary urethral squamous cell carcinoma: insights and outcomes from a 27-year institutional experience. J Clin Oncol. 2026;44(Suppl 7):627. doi:10.1200/JCO.2026.44.7_suppl.627

22. Chatelain C, Jardin A, Le Guillou M, et al. Segmental urethrectomy and urethrorrhaphy for treatment of fresh and late traumatic urethral lesions. Eur Urol. 1975;1(3):126–8.