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Congenital Penile Curvature

Congenital penile curvature (CPC) is bending of the erect penis present from birth, without an antecedent episode of trauma or inflammation, distinguishing it from the acquired fibrotic curvature of Peyronie's disease.[1] A closely related entity, chordee without hypospadias, describes ventral curvature associated with an abnormal distribution of ventral tissue (dysgenetic corpus spongiosum, dartos, or Buck's fascia) in a boy with an otherwise normally positioned urethral meatus; some classification schemes group chordee without hypospadias together with congenital curvature as points on the same developmental spectrum.[2][3]

For operative technique and outcomes, see Tunica Plication, which covers plication and corporoplasty for both congenital curvature and Peyronie's disease.

Epidemiology​

Reported incidence is difficult to establish because mild curvature often goes unrecognized at birth and is not reliably detected without an erection. A single-institution examination of 500 consecutive male neonates found 3 cases of congenital penile curvature, an incidence of 0.6% (3 in 500); this is a small, single-center sample and should be read as an estimate rather than a population-representative rate.[4] Most patients come to attention later, in adolescence or adulthood, when erections make the curvature apparent or functionally significant, rather than in infancy.

Pathophysiology and Classification​

Congenital curvature is thought to arise from a developmental disproportion between the two corpora cavernosa, or from an asymmetric distribution of ventral penile tissue (corpus spongiosum, dartos, or Buck's fascia) relative to the tunica albuginea, so that the shorter or less compliant side bows the erect penis toward itself. These embryologic mechanisms are proposed rather than definitively established.[2][5]

An older five-type classification (Devine-Horton, 1973) grouped curvature by the underlying tissue defect: types I-III as chordee without hypospadias (skin tethering, dysgenetic spongiosum/fascia, and urethral tethering, respectively), type IV as isolated congenital curvature from corporal disproportion, and type V as curvature with a congenitally short urethra, a category the original authors themselves treated as rare and uncertain.[2][3] This scheme is of historical interest and is not a validated staging system for current practice; direction, severity, and tissue cause are better described directly than forced into these five categories.

Clinical Features and Evaluation​

  • Direction. Most congenital curvature is ventral; dorsal and lateral curvature also occur.
  • Timing of presentation. Mild curvature may be unnoticed until puberty or sexual activity begins; some patients present only in adulthood when a partner or the patient notices the deformity or when it causes penetrative difficulty.
  • Associated findings. A normal urethral meatus distinguishes isolated congenital curvature and chordee without hypospadias from hypospadias-associated curvature; see Hypospadias & Epispadias when the meatus is ectopic. Curvature recurrence years after childhood hypospadias repair is a distinct, separately documented problem; see Redo Hypospadias Repair in Adolescents and Adults.
  • History and examination. Document curvature severity and direction, preferably with a patient-obtained photograph of the erect penis or an in-office pharmacologically induced erection, together with penile length, girth symmetry, and any palpable corporal disproportion. Ask directly about penetrative difficulty, pain, partner impact, and psychosocial distress, since functional and psychological effect, not angle alone, drives the decision to operate.
  • Differential diagnosis. Peyronie's disease (acquired, with a palpable plaque and typically an inciting event or interval of painful erections) and curvature from hypospadias chordee should be distinguished from isolated congenital curvature before counseling on management.[1][2]

Psychosocial Impact​

Curvature sufficient to impair penetrative intercourse or cause the patient visible distress can affect self-image, relationships, and sexual confidence, independent of the measured angle. Evaluation should ask directly about functional and psychological impact rather than relying on curvature severity alone to judge how much the condition is bothering the patient.

Management​

Observation is reasonable for mild curvature that does not impair intercourse or bother the patient. The EAU sexual and reproductive health guideline recommends deferring surgery until after puberty, when penile growth is complete, and recommends the Nesbit procedure, the Yachia procedure, or plication (with or without neurovascular bundle dissection) for congenital curvature requiring correction (strong recommendation).[6] Extratunical grafting is an option for curvature with a concurrent hourglass or hinge deformity, with a lower reported risk of erectile dysfunction than grafting the tunica itself.[6]

A 2022 systematic review of surgical correction of adult congenital penile curvature identified 55 studies and 2,956 patients treated by plication (n = 1,375) or corporoplasty (n = 1,580). Reported rates of satisfactory straightening (patient-reported satisfaction or residual curvature <20°) ranged from 75% to 100% after plication and 73% to 100% after corporoplasty. The review found both approaches safe and effective, but could not establish comparative superiority because of wide heterogeneity in outcome definitions and reporting across the included studies, and it did not pool a single complication or erectile-dysfunction rate across all included series.[7] Operative technique, patient selection, suture material, and outcome detail for plication and corporoplasty are covered on Tunica Plication, including dedicated congenital-curvature outcome series by technique.

Recurrence After Childhood Repair​

Curvature corrected in childhood, including as part of hypospadias repair, can recur in adolescence or young adulthood, sometimes a decade or more later, as the penis undergoes pubertal growth. In a series of 59 adolescents and young adults (ages 14-21) who presented with recurrent curvature after childhood hypospadias repair (TIP with dorsal plication in 28, Thiersch-Duplay with Nesbit repair in 9, preputial island onlay with Nesbit repair in 6, and two-stage repair with ventral dermal graft in 3; 13 were repaired elsewhere with records unavailable), surgical correction (one-stage dorsal plication and skin detethering in 32, one-stage urethral mobilization with corporal/dermal grafts in 12, and staged corporal/dermal graft followed by tubularization in 15) healed well in 53 of 55 patients with available follow-up (median 30 months); 28 of the 59 total patients reported satisfactory sexual activity, and no patient who received a corporal or dermal graft reported a new erectile abnormality. The authors attributed recurrence to peri-urethral and skin fibrosis, or to disproportionate growth of a hypoplastic ventral corporal wall or reconstructed urethra, and recommended following boys with proximal hypospadias repair through puberty rather than assuming an initially good childhood result will persist.[8] This recurrence pattern, and its operative management, is discussed further on Redo Hypospadias Repair in Adolescents and Adults.

See Also​

References​

1. Sokolakis I, Hatzichristodoulou G. Current trends in the surgical treatment of congenital penile curvature. Int J Impot Res. 2020;32(1):64-74. doi:10.1038/s41443-019-0177-0

2. Devine CJ Jr, Horton CE. Chordee without hypospadias. J Urol. 1973;110(2):264-271. doi:10.1016/s0022-5347(17)60183-6

3. Kramer SA, Aydin G, Kelalis PP. Chordee without hypospadias in children. J Urol. 1982;128(3):559-561. doi:10.1016/s0022-5347(17)53045-1

4. Yachia D, Beyar M, Aridogan IA, Dascalu S. The incidence of congenital penile curvature. J Urol. 1993;150(5 Pt 1):1478-1479. doi:10.1016/s0022-5347(17)35816-0

5. Bepple JL, McCammon KA. Congenital erectile curvature. In: Montague DK, Gill IS, Angermeier KW, Ross JH, eds. Textbook of Reconstructive Urologic Surgery. Informa Healthcare; 2008:675-679.

6. European Association of Urology. EAU Guidelines on Sexual and Reproductive Health, Limited Update March 2026, sections 8.1.3, 8.1.4, 8.2.3.b.1 and Table 8.2.

7. Britton CJ, Jefferson FA 4th, Findlay BL, et al. Surgical correction of adult congenital penile curvature: a systematic review. J Sex Med. 2022;19(2):364-376. doi:10.1016/j.jsxm.2021.11.017

8. Abosena W, Talab SS, Hanna MK. Recurrent chordee in 59 adolescents and young adults following childhood hypospadias repair. J Pediatr Urol. 2020;16(2):162.e1-162.e5. doi:10.1016/j.jpurol.2019.11.013