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Buried Penis

Buried penis (BP) is a condition in which the penile shaft — anatomically normal — is concealed beneath surrounding skin, prepubic fat, or cicatricial scar, so that the penis is non-functional for voiding, hygiene, and sexual activity. It exists in two operationally distinct forms: a congenital (pediatric) variant caused by abnormal dartos / fascial attachments, and a far more prevalent adult acquired buried penis (AABP) driven by morbid obesity, prior circumcision with cicatricial scarring, lichen sclerosus, and scrotal lymphedema.[1][2][3] The modern AABP operation — escutcheonectomy + diseased-skin excision + split-thickness skin grafting (STSG) ± panniculectomy and scrotoplasty — achieves durable unburying in 91–96% with major improvements in urinary, sexual, and psychological quality of life, but wound complications are frequent (~30–50%).[3][4][5]

The single most important conceptual point: buried penis is not micropenis — the corporeal bodies are normal in size; the penis is hidden, not small. Treatment of these is entirely different.[2][6]

Terminology​

  • Buried penis — penile shaft of normal size hidden within the prepubic fat pad, scrotal tissue, or cicatricial skin
  • Concealed / hidden penis — used interchangeably with buried penis
  • Trapped penis — the iatrogenic variant in which a circumcision scar contracts and traps the shaft beneath the skin
  • Webbed penis — penoscrotal webbing obscures the ventral shaft
  • Micropenis — true reduction in corporeal length (> 2.5 SD below mean stretched length); a distinct entity that must be excluded

Epidemiology​

  • Congenital BP — rare; presents in childhood; exact prevalence unknown[8][9]
  • AABP — increasing in parallel with obesity rates[2][7]
  • Typical AABP demographics: mean age 44–56 years, mean BMI 43–55 kg/m², mean weight ~344 lb[3][4][10][11]

Etiology and Pathophysiology​

Congenital (pediatric) BP​

The pediatric form reflects abnormal dartos and fascial mechanics:[6][8][9]

  • Abnormal dartos tissue — 78% of congenital BP have hypotrophic or randomly distributed smooth muscle fibers (vs the normal parallel pattern), suggesting shared pathophysiology with hypospadias[9]
  • Abnormal fundiform / suspensory ligaments — fail to anchor the penis[8]
  • Long inner prepuce (LIP) — present in all congenital BP; may produce ballooning during voiding (congenital megaprepuce is a Grade I variant)[8]
  • Hypermobility of ventral skin and dartos — corporeal bodies telescope proximally into the scrotum and pubis[6]
  • Excess suprapubic fat — contributes in higher grades

Hadidi classification of congenital BP:[8]

GradeFeaturesFrequency
ILong inner prepuce only48%
IILIP + indrawn penis requiring fundiform/suspensory ligament division33%
IIIGrade II + excess suprapubic fat20%

Adult acquired buried penis (AABP)​

DriverMechanism
Morbid obesityMassive prepubic fat pad engulfs the shaft; pannus covers the genitalia[1][2][3]
Massive weight loss (post-bariatric)Redundant skin apron covers a normal-position penis ("pseudo-BP") — apronectomy often sufficient[1]
Prior circumcision with cicatricial scarringCircumcision scar contracts over the shaft → "trapped penis"; circumcision often worsens unrecognized BP[1][2]
Lichen sclerosus (BXO)Chronic inflammation → phimosis → skin contracture; 23% prevalence in AABP cohorts; LS-positive patients are 2.3× more likely to need stricture surgery[14]
Scrotal lymphedemaMassive scrotal edema engulfs the shaft[3][10]
Hidradenitis suppurativa, diabetesChronic perineal inflammation; tissue-quality and infection risk[2][10]

The vicious cycle: in morbid obesity, the prepubic fat pad creates a warm, moist, occluded environment around the retracted penis. Chronic urine exposure produces maceration, dermatitis, and secondary lichen sclerosus — even in previously circumcised men. The result is obesity → buried penis → urine trapping → LS → further skin contracture → worsening concealment.[13][14][15]

Weight loss alone does not reverse AABP. A qualitative study found that 20% of patients reported weight loss made their condition worse (because of redundant skin), and the mons pannus and skin changes (LS, scarring) are often irreversible.[16][17]

Classification of AABP​

Three contemporary systems are in use, each oriented to a different decision.

Mirastschijski (2018) — surgical phenotype[1]​

TypePhenotypeOperation
1 — Pseudo-BPNormal-position penis under lax skin (post-bariatric)Apronectomy + prepubic lift with tissue fixation
2 — IntermediatePartial penile invaginationPrepubic apronectomy + anchoring sutures
3 — ClassicalComplete retraction into prepubic fat ± cicatricial circumcision scarringScar excision + prepubic fat reduction + shaft extraction + anchoring + skin reconstruction

Hesse (2019) — preoperative anatomy[11]​

I (skin deficiency / iatrogenic scarring), II (excess abdominal skin and fat), III (combined; most common — 59%), IV (III + severe scrotal edema).

Pariser–Santucci (2018) — surgical complexity[18]​

I (local flap), II (skin graft), III (scrotal surgery), IV (escutcheonectomy), V (panniculectomy). Categories III–V are "complex" repairs (~69%); they have higher BMI and higher rates of high-grade complications.[18]

Flynn–Erickson (2022)[7]​

Classifies by status of four anatomic components — abdominal pannus, escutcheon, penile skin, scrotal skin — with their respective fascial attachments, using standardized photographs.

Clinical Presentation​

AABP profoundly impacts multiple functional domains.[14][16][19][20]

  • Urinary dysfunction in ~95% — inability to direct stream, sitting to void, urine pooling in skin folds, chronic wetness and maceration
  • Sexual dysfunction in ~95% — inability to achieve penetration; 91% report significant preoperative ED
  • Recurrent infection — balanitis, cellulitis, candidal dermatitis from the warm, moist environment
  • Lichen sclerosus — present on pathology in 23%
  • Concurrent urethral stricture — in 47% overall; 54.8% if LS present (vs 23.8% without)
  • Psychological distress — depression and/or anxiety in 55%; relationship avoidance, social isolation
  • Care barriers — 70% report difficulty obtaining treatment

Penile Cancer Association​

AABP combines multiple risk factors for penile SCC (chronic inflammation, phimosis, LS, poor hygiene, HPV exposure):[14][20][21][22]

  • Penile SCC prevalence in AABP: 7% (vs < 1% in the general population)
  • Premalignant lesions: 35% (condyloma, LS, carcinoma in situ)
  • 5% of patients have penile cancer on final pathology at the time of BP repair
  • Implication: thorough penile examination (which often requires surgical unburying), biopsy of suspicious tissue, pathologic exam of all excised specimens, and ongoing surveillance in patients with adverse skin changes

Diagnostic Evaluation​

  1. History — duration, weight history, prior circumcision, voiding and sexual function, infections, care-access barriers
  2. Physical exam — confirm normal corporeal length (distinguish from micropenis), assess skin quality, LS changes, escutcheon size, pannus, scrotal pathology
  3. Standardized preoperative photographs for classification and surgical planning[7]
  4. Urethral evaluation — given the 47% concurrent stricture rate, consider cystoscopy or RUG, particularly with obstructive symptoms or LS[14][18]
  5. Skin biopsy if LS or malignancy suspected
  6. Preoperative optimization assessment — BMI, glycemic control, smoking, nutrition, frailty index[4][23]

Management​

Conservative measures​

  • Weight loss alone is insufficient and may worsen the condition by creating redundant skin[16][17]
  • Topical steroids for LS provide symptom relief but do not address the anatomic problem[15]
  • Hygiene optimization to reduce infection
  • Preoperative weight optimization is encouraged where feasible — BMI > 40 → 12.7× recurrence, BMI > 38 → 6.7× complications; each 1-point BMI increase adds 12% recurrence and 11% complication odds[23]

Surgical management — AABP​

The modern operation is multi-component reconstruction.[3][4][24][25]

Core surgical steps:

  1. Penile degloving and unburying — release of all cicatricial attachments; excision of diseased shaft skin
  2. Escutcheonectomy — en-bloc excision of the suprapubic fat pad (escutcheon) to prevent re-burying
  3. Panniculectomy when indicated (~28% of cases) — removal of the abdominal pannus[4][26]
  4. Scrotoplasty when indicated — reduction of redundant or lymphedematous scrotal tissue[3][10]
  5. Penile skin reconstruction with split-thickness skin graft (STSG) to the denuded shaft[3][25][27]
  6. Anchoring sutures — fixation of penopubic and penoscrotal skin to deep fascia (Buck's, rectus) to prevent retraction[1][6]
  7. Concurrent urethral surgery — meatotomy, urethroplasty, or perineal urethrostomy for stricture disease[14][18]

Specific technique variants​

ApproachNotes
Escutcheonectomy + STSG (Tang/Santucci, Fuller/Rusilko)[3][24]En-bloc escutcheon excision; STSG harvested from thigh or from the excised escutcheon specimen itself (eliminates donor-site morbidity); bolster for 5–7 days; STSG take 80–100% (mean ~92%)
Outpatient panniculectomy + STSG (Figler)[27]Modified trapezoid pannus mobilization; STSG harvested from pannus; same-day discharge in 19/19 patients with ≥ 95% graft take
Limited panniculectomy + STSG (Hampson/Voelzke)[28]42 patients; 85% long-term success at mean 39 mo; 85% would have surgery again; 74% positive life change
Penile degloving + ventral anchoring sutures (Alter–Ehrlich)[6]For patients with adequate shaft skin (no STSG needed); ventral tacking of penoscrotal subdermis to tunica albuginea prevents proximal telescoping

Surgical management — congenital (pediatric) BP​

Pediatric repair is generally simpler and more durable than adult repair.[6][8][30][31][32][33][34]

Principles:

  1. Penile degloving
  2. Excision of abnormal dartos / fibrous tethering
  3. Division of fundiform / suspensory ligaments in Grades II–III
  4. Anchoring — penile-base skin to Buck's fascia or tunica albuginea
  5. Skin coverage — circumcision with redistribution, Z-plasty, scrotal advancement flap, or dorsal dartos flap
  6. Suprapubic lipectomy / liposuction in Grade III

Selected pediatric outcomes:

TechniqueSuccessFollow-up
Dorsal dartos flap[32]100% (no reoperations)96 mo
External phallopexy ("3 stitches")[30]100% (no recurrence)11 mo
Modified penoplasty[33]95% (10/201 with retraction)6 mo
Midline incision rotation flaps[31]89% good, 11% satisfactory56 mo
Simplified Frenkl technique[34]88.5% (11.5% recurrence)4.4 yr

Outcomes — AABP​

OutcomeResult
Successful unburying91–96%[1][2][12][29]
Recurrence (re-burying)~22% (mean 436 d)[3]
Overall complication rate30–50%[1][2][3][4]
Wound dehiscence16–31%[1][4][5]
Wound infection / cellulitis14–30%[1][4][5]
High-grade complications (Clavien ≥ 3)7–23%[1][2]
STSG take rate80–100%[3][27]
Urinary function improvement82–91%[16][19][20]
Sexual function improvement41–87.5%[16][19][20]
Would undergo surgery again85–92%[19][20][28]
Positive life change74–83%[20][28]
Depression improvement (CES-D)64% preop → 18% postop[19]

Risk factors for complications and recurrence​

FactorEffect
BMI > 4012.7× recurrence[23]
BMI > 386.7× any complication[23]
Each 1-point BMI increase+12% recurrence; +11% complication[23]
Frailty (MFI ≥ 2)6.4× complication (71% vs 41%, p = 0.01)[4]
Complex repair (Pariser III–V)High-grade complications 23% vs 0% (p = 0.02)[18]

Concurrent Urethral Stricture​

The 47% prevalence of urethral stricture in AABP — and the 2–3× higher rate of needing endoscopic and open stricture intervention in LS-positive patients — mandates careful urethral evaluation. Concurrent meatotomy, urethroplasty, or perineal urethrostomy may be performed at the time of BP repair.[14][18]

For the broader operative framework, see Lichen Sclerosus and Urethrocutaneous Fistula.

Special Considerations​

Circumcision and BP​

Circumcision performed on a child or adult with an unrecognized buried penis is a well-known cause of trapped penis — the scar contracts over the retracted shaft, worsens concealment, and creates cicatricial phimosis. Circumcision should be avoided or performed only as part of a proper buried-penis repair.[1][2][8]

Multidisciplinary planning​

Complex AABP repair often benefits from collaboration between urology and plastic surgery for panniculectomy, complex closure, and skin grafting; dermatology input is valuable for LS management.[2][7][25]

Perioperative optimization​

  • Weight loss before surgery is encouraged (without indefinite delay — the condition causes ongoing harm)[23]
  • Glycemic control — wound healing and infection risk
  • Smoking cessation — graft survival
  • Frailty assessment — frail patients benefit from prehabilitation[4]
  • VTE prophylaxis — long operative times (~312 min for complex repairs) and patient comorbidities[18]

Key Principles​

  • Buried penis is not micropenis — corporeal bodies are normal; the penis is concealed, not small[2][6]
  • Weight loss alone does not cure AABP and may worsen it; surgery is the definitive treatment[16][17]
  • The modern AABP operation (escutcheonectomy + diseased-skin excision + STSG ± panniculectomy ± scrotoplasty) achieves 91–96% durable unburying[3][4][18]
  • Wound complications are the rule (30–50%) but mostly low-grade and manageable[4][19]
  • BMI is the strongest predictor of both recurrence and complications[23]
  • Screen for penile cancer — 7% SCC prevalence and 35% premalignant lesions; biopsy all suspicious tissue[20]
  • Screen for urethral stricture — present in 47%; concurrent management is often needed[14][18]
  • Lichen sclerosus develops in 23% of AABP and is a major driver of stricture disease[14]
  • The psychological burden is profound and measurably improves after surgery[16][19]
  • Congenital BP is a distinct entity (abnormal dartos and fascial attachments) with simpler, durable anchoring repairs[8][9][32]

References​

1. Mirastschijski U. "Classification and treatment of the adult buried penis." Ann Plast Surg. 2018;80(6):653–659. doi:10.1097/SAP.0000000000001410

2. Pestana IA, Greenfield JM, Walsh M, Donatucci CF, Erdmann D. "Management of 'buried' penis in adulthood: an overview." Plast Reconstr Surg. 2009;124(4):1186–1195. doi:10.1097/PRS.0b013e3181b5a37f

3. Fuller TW, Theisen K, Rusilko P. "Surgical management of adult acquired buried penis: escutcheonectomy, scrotectomy, and penile split-thickness skin graft." Urology. 2017;108:237–238. doi:10.1016/j.urology.2017.05.053

4. Staniorski CJ, Myrga JM, Vasan RV, Klein RD, Rusilko PJ. "Surgical outcomes and prediction of complications following high-complexity buried penis reconstruction." J Urol. 2023;210(5):782–790. doi:10.1097/JU.0000000000003669

5. Theisen KM, Fuller TW, Rusilko P. "Surgical management of adult-acquired buried penis: impact on urinary and sexual quality of life outcomes." Urology. 2018;116:180–184. doi:10.1016/j.urology.2018.03.031

6. Alter GJ, Ehrlich RM. "A new technique for correction of the hidden penis in children and adults." J Urol. 1999;161(2):455–459.

7. Flynn KJ, Vanni AJ, Breyer BN, Erickson BA. "Adult-acquired buried penis classification and surgical management." Urol Clin North Am. 2022;49(3):479–493. doi:10.1016/j.ucl.2022.04.009

8. Hadidi AT. "Buried penis: classification surgical approach." J Pediatr Surg. 2014;49(2):374–379. doi:10.1016/j.jpedsurg.2013.09.066

9. Spinoit AF, Van Praet C, Groen LA, et al. "Congenital penile pathology is associated with abnormal development of the dartos muscle: a prospective study of primary penile surgery at a tertiary referral center." J Urol. 2015;193(5):1620–1624. doi:10.1016/j.juro.2014.10.090

10. Corder B, Googe B, Velazquez A, Sullivan J, Arnold P. "Surgical management of acquired buried penis and scrotal lymphedema: a retrospective review." J Plast Reconstr Aesthet Surg. 2023;85:18–23. doi:10.1016/j.bjps.2023.06.021

11. Hesse MA, Israel JS, Shulzhenko NO, et al. "The surgical treatment of adult acquired buried penis syndrome: a new classification system." Aesthet Surg J. 2019;39(9):979–988. doi:10.1093/asj/sjy325

12. Voznesensky MA, Lawrence WT, Keith JN, Erickson BA. "Patient-reported social, psychological, and urologic outcomes after adult buried penis repair." Urology. 2017;103:240–244. doi:10.1016/j.urology.2016.12.043

13. Doiron PR, Bunker CB. "Obesity-related male genital lichen sclerosus." J Eur Acad Dermatol Venereol. 2017;31(5):876–879. doi:10.1111/jdv.14035

14. Daly WC, Klein RD, Myrga JM, Quiroga-Garza G, Rusilko PJ. "Lichen sclerosus in patients undergoing adult-acquired buried penis repair: a large cohort review." Urology. 2025. doi:10.1016/j.urology.2025.07.061

15. Kwok R, Shah TT, Minhas S. "Recent advances in understanding and managing lichen sclerosus." F1000Res. 2020;9:F1000 Faculty Rev-369. doi:10.12688/f1000research.21529.1

16. Amend GM, Holler JT, Sadighian MJ, et al. "The lived experience of patients with adult acquired buried penis." J Urol. 2022;208(2):396–405. doi:10.1097/JU.0000000000002667

17. Figler BD, Chery L, Friedrich JB, Wessells H, Voelzke BB. "Limited panniculectomy for adult buried penis repair." Plast Reconstr Surg. 2015;136(5):1090–1092. doi:10.1097/PRS.0000000000001722

18. Pariser JJ, Soto-Aviles OE, Miller B, Husainat M, Santucci RA. "A simplified adult acquired buried penis repair classification system with an analysis of perioperative complications and urethral stricture disease." Urology. 2018;120:248–252. doi:10.1016/j.urology.2018.05.029

19. Rybak J, Larsen S, Yu M, Levine LA. "Single center outcomes after reconstructive surgical correction of adult acquired buried penis: measurements of erectile function, depression, and quality of life." J Sex Med. 2014;11(4):1086–1091. doi:10.1111/jsm.12417

20. Pekala KR, Pelzman D, Theisen KM, et al. "The prevalence of penile cancer in patients with adult acquired buried penis." Urology. 2019;133:229–233. doi:10.1016/j.urology.2019.07.019

21. Staniorski C, Grajales V, Pekala KR, et al. "Buried penis reconstruction in the management of localized penile cancer." Urology. 2022;170:221–225. doi:10.1016/j.urology.2022.09.012

22. Brouwer OR, Albersen M, Parnham A, et al. "European Association of Urology — American Society of Clinical Oncology collaborative guideline on penile cancer: 2023 update." Eur Urol. 2023;83(6):548–560. doi:10.1016/j.eururo.2023.02.027

23. Chestnut C, Koch G, Stewart A, et al. "Increased body mass index is associated with recurrence and complications following repair for adult acquired buried penis." J Sex Med. 2025;qdaf149. doi:10.1093/jsxmed/qdaf149

24. Tang SH, Kamat D, Santucci RA. "Modern management of adult-acquired buried penis." Urology. 2008;72(1):124–127. doi:10.1016/j.urology.2008.01.059

25. Strother MC, Skokan AJ, Sterling ME, Butler PD, Kovell RC. "Adult buried penis repair with escutcheonectomy and split-thickness skin grafting." J Sex Med. 2018;15(8):1198–1204. doi:10.1016/j.jsxm.2018.05.009

26. Barrow B, Laspro M, Brydges HT, et al. "Technical considerations and outcomes for panniculectomy in the setting of buried penis patients: a systematic review and database analysis." Ann Plast Surg. 2024;93(3):355–360. doi:10.1097/SAP.0000000000004025

27. Figler BD, Gan ZS, Mohan CS, Zhang Y, Filippou P. "Outpatient panniculectomy and skin graft for adult buried penis." Urology. 2020;143:255–256. doi:10.1016/j.urology.2020.04.129

28. Hampson LA, Muncey W, Chung PH, et al. "Surgical and functional outcomes following buried penis repair with limited panniculectomy and split-thickness skin graft." Urology. 2017;110:234–238. doi:10.1016/j.urology.2017.07.021

29. Falcone M, Preto M, Timpano M, et al. "The outcomes of surgical management options for adult acquired buried penis." Int J Impot Res. 2023;35(8):712–719. doi:10.1038/s41443-022-00642-9

30. Radwan AB, GadAllah MA, Soliman MH, AbouZeid AA. "External phallopexy: a revisited technique and algorithm for simple management of buried penis." J Pediatr Surg. 2023;58(3):580–586. doi:10.1016/j.jpedsurg.2022.07.028

31. Manasherova D, Kozyrev G, Gazimiev M. "Buried penis surgical correction: midline incision rotation flaps." Urology. 2020;138:174–178. doi:10.1016/j.urology.2020.01.021

32. Delgado-Miguel C, Mejía R, Amesty V, et al. "Dorsal dartos flap for buried penis treatment: surgical technique and long-term outcomes." Pediatr Surg Int. 2025;41(1):274. doi:10.1007/s00383-025-06181-w

33. Yang T, Zhang L, Su C, Li Z, Wen Y. "Modified penoplasty for concealed penis in children." Urology. 2013;82(3):697–700. doi:10.1016/j.urology.2013.03.046

34. Frenkl TL, Agarwal S, Caldamone AA. "Results of a simplified technique for buried penis repair." J Urol. 2004;171(2 Pt 1):826–828. doi:10.1097/01.ju.0000107824.72182.95