Table 1. Pre-operative, post-operative and penile lengthening procedure comparison of mean penile length gain.
| Techniques | Mean length gain | Description | Publication(s) |
|---|---|---|---|
| Pre-operative/post-operative | |||
| Penile traction therapy | 1.5 cm | 30–90 min daily (RestoreX), 2–4 hours daily for 2–4 months | Ziegelmann et al. 2019, Levine and Rybak 2011 |
| Penile traction therapy and CCH injections | 1.9 cm | CCH alone versus CCH and PTT (non RestoreX) versus CCH and RestoreX | Alom et al. 2019 |
| Vacuum erection device | 0.8–3.5 cm | 10 min at least once daily 2 months pre-op | Sellers et al. 2013 |
| 10–15 min twice daily for minimum 3-months in patients with severe corporal fibrosis | Tsambarlis et al. 2017 | ||
| 10–15 min daily for 30 days pre-op | Canguven et al. 2017 | ||
| Post-operative inflation protocols | 1 cm | 6–12 months post-operative inflation of prosthesis for 1–2 hours a day | Henry et al. 2015 |
| Penile lengthening procedures | |||
| Cavernosal sparing | 1.2–2.0 cm | No cavernosal dilation, or only up to 8-Fr dilation at time of PP implantation | Moncada et al. 2010, ZaaZaa et al. 2019 |
| Sub-coronal incision | 0.6–2.8 cm | Circumcising incision with circumferential penile degloving to penoscrotal junction for IPP implantation | Sansalone et al. 2012, Weinberg et al. 2016 |
| Sliding technique | 3.2 cm | NVB and corpora spongiosum raised off corpora cavernosa, lateral longitudinal semilunar dorsal and ventral incisions made in corpora, then incisions patch grafted | Rolle et al. 2016 |
| MoST | 3.1 cm | Sliding technique without grafts | Egydio and Kuehhas 2015 |
| MuST | 3.1 cm | Multiple pairs of dorsal and ventral semilunar incisions, instead of two with classic sliding technique | Egydio and Kuehhas 2018 |
| Sliding technique and MuST (nondegloving ventral incision) | 2.6 cm | Nondegloving technique to potentially avoid vascular complications to the glans penis | Clavell-Hernández and Wang, 2018 |
| TEP (subcoronal incision) | 3.3 cm | Subcoronal approach with IPP cylinders intentionally upsized 2 cm larger than measurements, multiple small, staggered incisions in mesh pattern along tunica albuginea | Egydio 2020 |
| TEP (scrotal incision) | 2.8 cm | Scrotal approach with complete eversion of the penis with multiple small, staggered incisions along tunica albuginea | Razdan et al. 2024 |
| Auxetic expansion | 1.4 cm | Star-shaped TA incision (auxetic) principle to simultaneously increase length, girth, and volume | Miranda 2022 (J Urol) |
CCH, collagenase clostridium histolyticum; PTT, penile traction therapy; IPP, inflatable penile prosthesis; NVB, neurovascular bundle; MoST, modified sliding technique; MuST, multiple-slit technique; TEP, tunica expansion procedure; TA, tunica albuginea.