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Penile Inversion Vaginoplasty (PIV)

Penile inversion vaginoplasty (PIV) is the gold-standard feminizing genital gender-affirming operation: a single-stage anatomic rearrangement of the penile and scrotal skin envelope that creates an aesthetic vulva, a sensate dorsal-neurovascular-pedicled neoclitoris, a downward-directed feminized urethral meatus, and a skin-lined neovaginal canal of ~12–14 cm capable of receptive intercourse.[1][2][3] The contemporary literature strongly favours single-stage PIV over the historical two-stage approach — the Fakin 2021 single-centre direct comparison (n = 125; mean follow-up > 3.5 yr) demonstrated single-stage superiority across every measured outcome (wound dehiscence 4.8% vs 33.9%; revision 6.4% vs 56.5%; stable depth vs > 30% loss; 0% vs 4.8% neoclitoral necrosis).[3]

This is the dedicated atlas page. For the cohort-level decision framework and full treatment database, see Feminizing Gender-Affirming Surgery. For the clinical-conditions overview, see Feminizing Procedures. For the canal-not-desired alternative, see Zero-Depth Vulvoplasty.

Surgical Goals​

The four primary reconstructive goals are:[1][4][5]

  1. Aesthetic vulva — clitoral hood, labia minora, labia majora, visible introitus.
  2. Functional neovaginal canal of adequate depth and width for receptive intercourse.
  3. Sensate neoclitoris capable of erogenous sensation and orgasm via preservation of the dorsal neurovascular bundle.
  4. Feminized urethral meatus with a downward-directed stream, positioned between neoclitoris and introitus.

Preoperative Requirements​

Eligibility follows WPATH SOC v8 (2022), the Endocrine Society 2017 (Hembree) Clinical Practice Guideline, and ACOG 2021 Committee Opinion 823:[6][7]

  • Persistent, well-documented gender dysphoria assessed by qualified mental-health professionals.
  • Mental-health referral letters per local jurisdiction.
  • ≥ 12 months continuous gender-affirming hormone therapy (unless contraindicated).
  • ≥ 12 months living in a congruent gender role.
  • Age of majority (jurisdiction-dependent).

Preoperative preparation:

  • Genital electrolysis or laser hair removal of the scrotum and penile shaft — initiated 6–12 months preoperatively to prevent intravaginal hair.[6]
  • Donor-tissue assessment. Stretched penile skin length ~10 cm is associated with low risk of needing extragenital graft; prior orchiectomy is associated with ~3× greater odds of needing extragenital skin grafts due to scrotal-skin atrophy.[8]
  • Circumcision status affects clitoral-hood and labia-minora flap design but does not preclude PIV; good aesthetic and functional results are achievable in both groups (5.6% revision rate for urinary-stream issues).[9]
  • Medical optimisation: diabetes control (independent risk factor for late revision), smoking cessation, BMI optimisation.[10]

Operative Technique (Single-Stage Ghent-Style)​

The single-stage procedure consolidates all components into one operative session:[5][6][9][10][11]

  1. Positioning and incision. Lithotomy; midline perineal incision; penoscrotal skin marked for planned flaps.
  2. Bilateral orchiectomy with ligation and division of spermatic cords.
  3. Penile disassembly.
    • Penile skin degloved as a tube on its blood supply for neovaginal lining.
    • Dorsal neurovascular bundle (dorsal nerves and vessels) preserved on a pedicle with the glans penis for neoclitoral construction.[4]
    • Corpora cavernosa excised; corpus spongiosum dissected from the urethra.
  4. Neovaginal canal dissection. Cavity created between the rectum posteriorly and the prostate / bladder anteriorly, extending to the peritoneal reflection. The most technically demanding and highest-risk step — rectal perforation ~1.6% in large series.[10] Target dissection depth 12–15 cm.
  5. Neovaginal canal lining. Inverted penile skin tube forms the primary lining; when insufficient (required in 85.7% of the 15-year Ghent series), a full-thickness scrotal skin graft is anastomosed to the penile skin tube to achieve adequate depth. The combined tube is placed over a vaginal conformer and inverted into the dissected cavity.[10][12]
  6. Clitoroplasty. Glans penis reduced and fashioned into a sensate neoclitoris on its dorsal neurovascular pedicle; positioned at the anterior commissure.[4]
  7. Clitoral hood and labia minora. In uncircumcised patients, preputial skin; in circumcised patients, distal penile shaft skin. Horizontal mattress quilting sutures define labia minora as distinct subunits.[9]
  8. Labia majora. Scrotal-skin flaps advanced medially and inferiorly; avoid aggressive defatting (initial edema typically resolves).
  9. Urethroplasty. Urethra shortened and spatulated; meatus positioned between neoclitoris and introitus to produce a downward-directed feminine stream.
  10. Closure and stenting. Vaginal conformer placed within the canal; Foley catheter; perineal wound closed in layers.

Operative parameters​

  • Operative time: ~2.5–4.5 h (mean 262 ± 35 min when combined with peritoneal flaps).[13]
  • Hospital stay: 7 days for single-stage (vs 16 days for two-stage); as short as 5 days at some centres.[3][13]
  • Intraoperative neovaginal depth: mean 13.8 ± 1.4 cm.[12]

Neovaginal-Canal Lining Options​

Achieving an adequate canal (~14 cm) is the central technical challenge. Options:[10][14]

StrategyIndicationNotes
Penile skin aloneSufficient stretched penile length, no prior circumcisionLimited by puberty-blocker exposure or short phallus
Penile skin + full-thickness scrotal graftDefault in most patients (85.7% of Ghent series)Hairless if electrolysis adequate; no prolapse risk; no impact on PROs vs penile-skin-alone[12]
Penile skin + peritoneal flaps (robotic Davydov)Borderline donor tissueAdds ~5 cm depth; mean depth 14.2 cm (Jacoby 2019)[13]
Penile skin + urethral flapAdjunctiveVascularised pedicled flap; depths ~11 cm[14][15]

The largest decline in neovaginal depth (~15%) occurs in the first 3 postoperative weeks, underscoring the importance of early dilation.[12]

Complications (Single-Stage)​

Overall complication rates can reach ~70% across all severities, but most are minor (Clavien–Dindo I–II) and do not alter long-term outcomes.[1][16]

ComplicationIncidenceNotes
Granulation tissue~26%Most common; silver-nitrate cautery
Intravaginal scarring~20%Top predictor of dissatisfaction[17]
Prolonged pain~20%Top predictor of dissatisfaction[17]
Wound dehiscence (single-stage)4.8%vs 33.9% two-stage (Fakin 2021)[3]
Neovaginal stenosis1.2–12%Most frequent SR-level complication; dilation-adherence-related[18]
Urinary-stream abnormality5.6–14.5%Spraying or diverted stream
Rectal perforation~1.6%Usually conservative management
Rectovaginal fistula0.9–1.6%May require operative repair
Neoclitoral necrosis (single-stage)0%vs 4.8% in two-stage[3]
Reoperation (single-stage)6.4–9.0%vs 56.5% in two-stage[3]
Clavien ≥ IIIa~1.7%No grade IV–V in large series

Non-compliance with postoperative dilation and activity restrictions was the only factor significantly associated with increased complications and reoperation in a 240-patient series; age, BMI, and duration of hormone therapy were not associated with complications.[16][19]

Single-Stage vs Two-Stage PIV​

The two-stage approach was the predominant technique from the 1970s through the early 2000s and is now largely superseded. Huang's 20-year UTMB experience (1995) established the conceptual scaffolding (inguinoperineal flaps, retained proximal corpora for clitoroplasty, spermatic cords for labia majora) and substantially reduced stenosis vs the original split-thickness-graft era.[20] The Papadopulos Munich series (n = 40) is the most-cited modern two-stage cohort, achieving 11.8–15.0 cm depth with preserved vaginal / clitoral / labial sensitivity in all examined patients.[21]

The only direct comparison (Fakin & Giovanoli 2021; n = 125; > 3.5-yr follow-up):[3]

OutcomeSingle-Stage (n = 63)Two-Stage (n = 62)
Cumulative hospital stay7 days16 days
Neovaginal-depth maintenance (1 yr)Constant> 30% loss
Wound dehiscence4.8%33.9%
Unsatisfactory cosmesisNot a major issue25.8%
Urethral stenosisNot reported14.5%
Neoclitoral necrosis0%4.8% (3 patients)
Revision rate6.4% (max 1 revision)56.5% (up to 10 revisions per patient)
Neoclitoral sensation100%95.2%

Mechanisms favouring single-stage:[3]

  • Inter-stage scar contracture drives > 30% first-year depth loss in the two-stage cohort.
  • A second clitoroplasty on previously operated tissue increases dorsal-pedicle compromise → 4.8% neoclitoral-necrosis rate (vs 0%).
  • Two wound-healing periods compound dehiscence and infection risk.
  • Cosmetic dissatisfaction (25.8%) reflects suboptimal vulvar integration when components are reconstructed across separated operations.

Remaining indications for staged approaches​

Despite the convergence on single-stage as gold standard, staged reconstruction is still appropriate in selected scenarios:[21][22][23]

  • Novel tissue sources inherently requiring staging — e.g., free jejunal-graft vaginoplasty (Cho 2025, n = 10; first surgery ~654 min, second ~283 min; no major complications at 6–18 mo).[23]
  • Complex revision / salvage when intestinal vaginoplasty is used after failed primary PIV.[22]
  • Medical comorbidities that preclude a prolonged single anaesthetic.
  • De facto staging when bilateral orchiectomy was performed previously as a stand-alone bridge procedure — see Bilateral Simple Orchiectomy and the prior-orchiectomy / scrotal-skin-atrophy data (3× odds of extragenital grafting).[8]

Postoperative Care and Dilation​

Lifelong dilation is the most critical aspect of postoperative care and is required indefinitely to maintain neovaginal patency:[6][24][25]

IntervalProtocol
Weeks 1–3Vaginal stent in place; Foley ~5–7 days
Months 1–3Dilation 3× daily, ~30–40 min per session[24]
Months 3–6Taper to 2× daily
Months 6–12Taper to 1× daily
After 1 yr3–5×/week indefinitely, or as needed; regular intercourse may partially substitute

In a prospective longitudinal study, patients dilated on average 6.6 days/week and 2.4 times/day for 38 min/session; all patients reported at least one dilation-related difficulty (tightness 71%, bleeding 71%, pain 65%), but these challenges declined significantly after 6 months.[24]

Additional postoperative care:[25][26]

  • Vaginal hygiene — douching with soapy water or dilute vinegar / betadine to manage odor from desquamated skin, sebum, and retained lubricant.
  • Pelvic examinations — yearly or every other year for stenosis, granulation tissue, hair regrowth; Pederson speculum or anoscope.[26]
  • Prostate screening — the prostate is palpated anterior to the neovagina when indicated.
  • STI screening — site-specific, equivalent to cisgender guidelines.
  • Lifelong estradiol after gonadectomy.
  • Pelvic-floor physical therapy for persistent pain or dilation difficulty.

Functional Outcomes and Satisfaction​

Satisfaction is consistently high despite the moderate complication burden:

  • 94% "feel positively about their genitals" and "would do this operation again" (Massie 2018).[17]
  • 71% report resolution of gender dysphoria.[17]
  • 97.2% report ability to engage in penetrative intercourse (15-yr Ghent series).[10]
  • 83–89% report ability to orgasm.[10][27]
  • 79.4% orgasm-capable at 12 months in a prospective cohort, with orgasm quality increasing significantly over time (p = 0.003); younger age associated with higher quality.[28]
  • Mean neovaginal depth at 12 months: 11–12 cm after expected contraction from ~14 cm intraoperative.[12][28]

Top predictors of dissatisfaction: intravaginal scarring, prolonged pain, excessive external scarring, sensation loss, hematoma / excessive bleeding.[17]

Neovaginal Physiology​

Distinct from a natal vagina:[25][26]

  • Lining: keratinised skin (not mucosa) — does not self-lubricate; external lubricant required for intercourse and dilation.[6]
  • Microbiome: mixed skin and vaginal flora; some neovaginas develop bacterial-vaginosis-like flora producing odor.[4]
  • pH: typically higher than natal vaginal pH.
  • Intravaginal hair can occur if preoperative electrolysis was incomplete.
  • No cervix or uterus — Pap smears not indicated; HPV-related lesions can theoretically occur in the skin-lined canal.

Comparison with Alternative Full-Depth Techniques​

See the Feminizing GAS database comparison table for the full cross-technique matrix. In brief:

FeaturePIV (skin-lined)Peritoneal pull-throughIntestinal (sigmoid)
StatusGold standardEmerging — first-line for insufficient donor skinPrimarily salvage / revision
Depth11–14 cm~14.7 cm standalone; +5 cm as PIV augmentation12–15 cm
Self-lubricationNoLimitedYes (mucus)
DilationLifelongLifelong (may be less stringent)Less stringent
Vaginal-stenosis rate (De Rosa 2024 SR)5.70%Similar; introital 4.7%0.20% (lowest)
Donor-site morbidityMinimalMinimal (peritoneal)Abdominal surgery
ComplexityStandardLaparoscopy / roboticsMost complex; bowel anastomosis

Evidence Limitations​

The evidence base is dominated by retrospective single-centre case series with heterogeneous outcome measures, variable follow-up, and non-validated PRO instruments.[1][18] The Fakin 2021 single-stage / two-stage comparison is the only direct head-to-head study and is retrospective and single-institution; no RCTs exist.[3] The Horbach 2015 systematic review noted heterogeneity in patient groups, surgical techniques, outcome instruments, and follow-up across the literature.[18]

References​

1. Morrison SD, Claes K, Morris MP, et al. Principles and outcomes of gender-affirming vaginoplasty. Nat Rev Urol. 2023;20(5):308–322. doi:10.1038/s41585-022-00705-y

2. van der Sluis WB, Schäfer T, Nijhuis THJ, Bouman MB. Genital gender-affirming surgery for transgender women. Best Pract Res Clin Obstet Gynaecol. 2023;86:102297. doi:10.1016/j.bpobgyn.2022.102297

3. Fakin RM, Giovanoli P. A single-center study comparison of two different male-to-female penile skin inversion vaginoplasty techniques and their 3.5-year outcomes. J Sex Med. 2021;18(2):391–399. doi:10.1016/j.jsxm.2020.09.014

4. Wylie K, Knudson G, Khan SI, et al. Serving transgender people: clinical care considerations and service delivery models in transgender health. Lancet. 2016;388(10042):401–411. doi:10.1016/S0140-6736(16)00682-6

5. Shoureshi P, Dugi D. Penile inversion vaginoplasty technique. Urol Clin North Am. 2019;46(4):511–525. doi:10.1016/j.ucl.2019.07.006

6. Committee on Gynecologic Practice and Committee on Health Care for Underserved Women. Health care for transgender and gender diverse individuals: ACOG Committee Opinion, Number 823. Obstet Gynecol. 2021;137(3):e75–e88. doi:10.1097/AOG.0000000000004294

7. Salim A, Poh M. Gender-affirming penile inversion vaginoplasty. Clin Plast Surg. 2018;45(3):343–350. doi:10.1016/j.cps.2018.04.001

8. Sineath RC, Butler C, Dy GW, Dugi D. Genital hypoplasia in gender-affirming vaginoplasty: prior orchiectomy, penile length, and other factors to guide surgical planning. J Urol. 2022;208(6):1276–1287. doi:10.1097/JU.0000000000002900

9. Opsomer D, Gast KM, Ramaut L, et al. Creation of clitoral hood and labia minora in penile inversion vaginoplasty in circumcised and uncircumcised transwomen. Plast Reconstr Surg. 2018;142(5):729e–733e. doi:10.1097/PRS.0000000000004926

10. Opsomer D, Vyncke T, Mertens D, et al. Fifteen-year experience with the Ghent technique of penile inversion vaginoplasty. Plast Reconstr Surg. 2021;148(3):416e–424e. doi:10.1097/PRS.0000000000008300

11. Ferrando CA. Updates on feminizing genital affirmation surgery (vaginoplasty) techniques. Neurourol Urodyn. 2023;42(5):931–938. doi:10.1002/nau.25088

12. Buncamper ME, van der Sluis WB, de Vries M, et al. Penile inversion vaginoplasty with or without additional full-thickness skin graft: to graft or not to graft? Plast Reconstr Surg. 2017;139(3):649e–656e. doi:10.1097/PRS.0000000000003108

13. Jacoby A, Maliha S, Granieri MA, et al. Robotic Davydov peritoneal flap vaginoplasty for augmentation of vaginal depth in feminizing vaginoplasty. J Urol. 2019;201(6):1171–1176. doi:10.1097/JU.0000000000000107

14. Salibian AA, Schechter LS, Kuzon WM, et al. Vaginal canal reconstruction in penile inversion vaginoplasty with flaps, peritoneum, or skin grafts: where is the evidence? Plast Reconstr Surg. 2021;147(4):634e–643e. doi:10.1097/PRS.0000000000007779

15. Perovic SV, Stanojevic DS, Djordjevic ML. Vaginoplasty in male transsexuals using penile skin and a urethral flap. BJU Int. 2000;86(7):843–850. doi:10.1046/j.1464-410x.2000.00934.x

16. Levy JA, Edwards DC, Cutruzzula-Dreher P, et al. Male-to-female gender reassignment surgery: an institutional analysis of outcomes, short-term complications, and risk factors for 240 patients undergoing penile-inversion vaginoplasty. Urology. 2019;131:228–233. doi:10.1016/j.urology.2019.03.043

17. Massie JP, Morrison SD, Van Maasdam J, Satterwhite T. Predictors of patient satisfaction and postoperative complications in penile inversion vaginoplasty. Plast Reconstr Surg. 2018;141(6):911e–921e. doi:10.1097/PRS.0000000000004427

18. Horbach SE, Bouman MB, Smit JM, et al. Outcome of vaginoplasty in male-to-female transgenders: a systematic review of surgical techniques. J Sex Med. 2015;12(6):1499–1512. doi:10.1111/jsm.12868

19. Gaither TW, Awad MA, Osterberg EC, et al. Postoperative complications following primary penile inversion vaginoplasty among 330 male-to-female transgender patients. J Urol. 2018;199(3):760–765. doi:10.1016/j.juro.2017.10.013

20. Huang TT. Twenty years of experience in managing gender dysphoric patients: I. Surgical management of male transsexuals. Plast Reconstr Surg. 1995;96(4):921–930; discussion 931–934.

21. Papadopulos NA, Zavlin D, Lellé JD, et al. Combined vaginoplasty technique for male-to-female sex reassignment surgery: operative approach and outcomes. J Plast Reconstr Aesthet Surg. 2017;70(10):1483–1492. doi:10.1016/j.bjps.2017.05.040

22. van der Sluis WB, Tuynman JB, Meijerink WJHJ, Bouman MB. Laparoscopic intestinal vaginoplasty in transgender women: an update on surgical indications, operative technique, perioperative care, and short- and long-term postoperative issues. Urol Clin North Am. 2019;46(4):527–539. doi:10.1016/j.ucl.2019.07.007

23. Cho E, Kim J, Yoon ES, Kunaporn S, Hwang NH. Free jejunal graft vaginoplasty in gender affirmation surgery: a novel technique. Aesthet Plast Surg. 2025. doi:10.1007/s00266-025-05201-3

24. Gomez DA, Ley M, Hu AC, et al. Longitudinal patient-reported outcomes of vaginal dilation after penile inversion vaginoplasty. J Sex Med. 2026;23(4):qdag068. doi:10.1093/jsxmed/qdag068

25. Jackson Q, Yedlinsky NT, Gray M. Lifelong care of patients after gender-affirming surgery. Am Fam Physician. 2024;109(6):560–565.

26. Grimstad F, McLaren H, Gray M. The gynecologic examination of the transfeminine person after penile inversion vaginoplasty. Am J Obstet Gynecol. 2021;224(3):266–273. doi:10.1016/j.ajog.2020.10.002

27. Ongaro L, Garaffa G, Migliozzi F, et al. Vaginoplasty in male to female transgenders: single center experience and a narrative review. Int J Impot Res. 2020;33(7):726–732. doi:10.1038/s41443-021-00470-3

28. Wenk MJ, Rademacher N, Liedl B, Grüne B, Meister B. Post-surgical outcomes in transgender women: a prospective analysis of sexual function and health-related quality of life. World J Urol. 2025;43(1):529. doi:10.1007/s00345-025-05887-9