Lengthening strategies for Peyronie’s disease
Review Article

Lengthening strategies for Peyronie’s disease

Christopher D. Gaffney, Matthew J. Pagano, Aaron C. Weinberg, Alex C. Small, Franklin E. Kuehas, Paulo H. Egydio, Robert J. Valenzuela

Department of Urology, Columbia University Medical Center, New York, NY, USA

Contributions: (I) Conception and design: CD Gaffney, MJ Pagano, AC Weinberg, RJ Valenzuela; (II) Administrative support: None; (III) Provision of study materials or patients: CD Gaffney, MJ Pagano, AC Weinberg, AC Small, RJ Valenzuela; (IV) Collection and assembly of data: All authors; (V) Data analysis and interpretation: CD Gaffney, MJ Pagano, AC Weinberg, AC Small, RJ Valenzuela; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.

Correspondence to: Robert J. Valenzuela. Department of Urology, Columbia University Medical Center, New York, NY, USA; Washington Heights Urology, New York, NY, USA. Email: robert.valenzuela@gmail.com.

Abstract: Loss of penile length is a common complaint of men with Peyronie’s disease (PD), both before and after corrective intervention, which has a significant negative effect on patient quality of life. We sought to identify and describe the methods by which penile length can be preserved or increased. We conducted an extensive, systematic literature review, based on a search of the PUBMED database for articles published between 1990 and 2015. Articles with the key words “Peyronie’s disease”, “penile length” and/or “penile lengthening” were reviewed if they contained subjective or objective penile length outcomes. Only English-language articles that were related to PD and penile size were included. We found no evidence in the literature that medical therapy alone increases penile length. Classic inflatable penile prosthesis (IPP) placement, plication procedures, and the Nesbit procedure appear likely to maintain or decrease penile length. Plaque incision (PI) and grafting appears likely to maintain or increase penile length, but is complicated by risk of post-operative erectile dysfunction (ED). There are several surgical procedures performed concomitantly with IPP placement that may be suitable treatment options for men with comorbid ED, and consistently increase penile length with otherwise good outcomes concerning sexual function. These include the subcoronal penile prosthesis (scIPP), Egydio circumferential technique, the sliding technique, the modified sliding technique (MoST), and the multiple slice technique (MuST). In addition, adjuvant therapies such as penile traction therapy (PTT), post-operative inflation protocols, suspensory ligament relaxation, lipectomy, and adjuvant medical therapy for glans engorgement appear to increase subjective and/or objective penile length for men at high risk of decreased penile length after PD surgery. Considering the psychological burden of length loss in men with PD, providers with adequate volume and expertise should attempt, if possible, to maintain or increase penile length for men undergoing surgical intervention. There are several evidence-based, safe, and effective ways to increase penile length for these men and multiple emerging adjuvant therapies that may help ensure adequate length.

Keywords: Peyronie’s disease (PD); length; lengthening; sliding technique; modified sliding technique (MoST); multiple slice technique (MuST); plaque incision (PI) and grafting; subcoronal penile prosthesis (scIPP)

Submitted Feb 23, 2016. Accepted for publication Mar 04, 2016.

doi: 10.21037/tau.2016.04.03


Peyronie’s disease (PD) has clinically significant negative effects on patient quality of life and is associated with sexual dysfunction, negative self-image, depressive symptoms, and relationship problems (1). Surgical correction of curvature can restore quality of life and sexual function. However, side effects of surgery may include further loss of penile length, a consequence of PD which is independently and strongly associated with emotional distress and sexual dysfunction (2). In fact, men with greater than 2.5 cm subjective penile length loss due to PD are significantly more likely to report lower satisfaction with their own ability to perform sexual intercourse (3). Therefore, penile length restoration strategies are valuable methods by which a surgeon may help a patient with PD overcome or avoid emotional distress and sexual dysfunction.

In this paper, we review the effect of medical and surgical treatments for PD on length and provide a detailed review of the procedures specifically designed to increase penile length. A summary of the surgical techniques which preserve or increase penile length in men with PD can be found in Table 1. A video detailing the surgical techniques that increase penile length can be found in Figure S1.

Table 1
Table 1 Surgical strategies for length preservation or restoration in patients with Peyronie’s disease
Full table
Figure S1 Surgical techniques that increase penile length (68). Available online: http://www.asvide.com/articles/987

Effect of medical therapy on penile length

Medical therapies for PD are broadly divided into oral and injectable medications. Little evidence exists for the clinical efficacy of oral medications alone outside of combination therapy with other agents. Oral vitamin E, pentoxifylline, and tadalafil are each associated with decreased plaque size and curvature in men receiving simultaneous verapamil injection therapy (4-6). However, the effect of oral therapy alone on length has not been directly studied.

Common injection therapies for PD include verapamil, interferon-alpha 2b, and collagenase clostridium histolyticum (CCH). The efficacy of CCH has been demonstrated in two large scale clinical trials, IMPRESS I and II, which showed primary efficacy and safety regarding improvement in curvature and symptomatology, but did not demonstrate a change in penile length (7). The efficacy of verapamil injections has been widely studied both alone and in addition to other agents (5,6,8-12) and remains the subject of debate (13). We were not able to identify any studies of verapamil usage in which penile length was included among the outcomes.

Non-surgical therapy for PD is an evolving field with outcomes primarily evaluated on the basis of symptomatology and curvature rather than length. Based on current evidence, these therapies appear unlikely to have a significant effect on increasing or decreasing stretched penile length (SPL).

Surgical management techniques which may shorten penile length

Nesbit, Yachia, and plication procedures

There are several techniques which are typically used in men with minimal to moderate penile curvature that often result in the loss of penile length. These procedures, which include the Nesbit procedure and its modifications as well as penile plication, involve shortening the tunica on the convex side of the curvature directly opposite of the plaque. One review from 2014 identified 21 studies that report outcomes of tunical shortening procedures on post-operative penile length, with the majority reporting a significant percentage of men who lost length (14). The largest study on the Nesbit procedure, consisting of 359 men, found that 86.6% had shortening less than 1 inch, 8.6% between 1 and 2 inches, and 4.7% greater than 2 inches (15). The largest study on plication included 154 men and found that 25 (16%) lost length (mean 0.5 cm; range, 0.2–1.0 cm), but concluded that this loss of length was minimal (16). Therefore, though most patients do not lose substantial length from these techniques, patients who are candidates for these procedures must be counseled to expect a high probability of some penile length loss and should be selected with adequate pre-operative length.

Penile prostheses

Modeling with penile prostheses was first described by Wilson in 1994. Long-term outcomes were reported in 2001 that found that plaque modeling and penile prosthesis insertion is a safe and effective method for reducing curvature and treating erectile dysfunction (ED) associated with PD (17,18). The literature on penile length change in men with PD who are treated with inflatable penile prosthesis (IPP) is limited. A contemporary series of 90 patients who underwent IPP placement for PD reported that patients experienced a subjective penile length loss of 1.6 inches prior to the procedure and an additional 0.25 to 4 inches of subjective loss following the procedure. Overall, though objective measurements were not reported, 48% were dissatisfied with their post-operative length. Unfortunately, considering that loss of length is a common complaint following IPP placement in men regardless of the presence or absence of PD, these data highlight the importance of objective pre and post-operative measurements in studies on length (19).

The literature is conflicted on the relationship between IPP and penile length in the general population of men with ED and no concomitant PD. Several studies have found no difference or small increases in penile length following IPP. Deveci et al. in 2007 assessed the flaccid SPL of 56 men preoperatively and at 1 and 6 months postoperatively. There was no difference in measured SPL despite 71% endorsing subjective length loss. Men with subjective loss were more likely to be status post radical prostatectomy, so perceived length loss may have been secondary to surgically-induced ED prior to intervention with IPP (20). Another study from 2016 observing 45 men treated with the AMS 700 LGX IPP found that SPL increased 1.1±0.3 cm at 12 months (21).

Studies which examined erect penile length in men receiving IPP have shown an overall trend toward length loss. The first, published in 2009, included 11 prospectively enrolled patients. Wang and colleagues compared pre-operative erectile penile length achieved via intracavernosal injection (ICI) with post-operative erectile penile length achieved by IPP inflation and found that there were 0.83±0.25, 0.75±0.20 and 0.74±0.15 cm decreases in erect penile length 6 weeks, 6 months, and 1 year postoperatively (22). A similar study from 2014 examining 20 men found that median post-prosthesis penile length (13.5±2.13 cm) was smaller than preoperative pharmacologically induced length (14.25±2 cm) and that the majority of men treated with IPP lost length (23).

Although specific data in men with PD undergoing IPP is limited, subjective loss of length is commonly reported. In the general population of men with ED, objective data suggests that IPP placement results in only modest changes in penile length.

Surgical management techniques which increase or maintain penile length

Surgical techniques that maintain or increase penile length necessarily involve lengthening the tunica, particularly on the concave side of the curvature. In general, they are more involved procedures and therefore are recommended only for patients with a high degree of curvature and significant functional impairment. An important side effect of lengthening procedures is a consequence of the surgical technique itself. The tunical incisions that are necessary to allow for increased length may impair the vaso-occlusive mechanism necessary for erectile function, leading to the potential for difficulty with erections post-operatively. In fact, the procedures that produce the largest length gains are typically done with simultaneous IPP placement. Therefore, patients must be carefully selected according to pre-operative erectile function and counseled regarding risk of post-operative ED (7–46% depending on the technique and surgeon) (24).

Plaque incision (PI) or partial excision and grafting

While there are many variations on the technique, PI and grafting, in general, consists of a tunical incision on the concave aspect of the point of maximum curvature with grafting of the defect (25), and partial excision consists of dissection of the plaque off of the tunica with grafting of what is often a larger defect. Full excision is more likely to cause post-operative erectile dysfunction and is usually reserved for plaques that cause significant narrowing or corporal deformity (24,26,27).

PI and grafting was initially described by El-Sakka et al. The original procedure may be referred to as the Lue technique (25). However, evidence in the literature is conflicted regarding length outcomes for PI and grafting using this technique. In the original series of 112 patients, 83% of the men had stable or increased length following the procedure and 17% of men had decreased length. A subsequent study of 50 patients was notable for stable penile length in 60% of patients and decreased penile length in 40%, with long-term follow-up suggesting that more patients eventually progressed to decreased penile length (28). Another prospective study of 58 patients found that 22.4% had decreased penile length (range, 0.5–1.5 cm) (29). One of the largest studies, looking at 113 men, found that 25% had decreased penile length by >1 cm postoperatively (30). Another group of 58 patients were observed to have decreased penile length in 35% of men (31). Long term outcomes from 30 patients (mean follow-up 13 years) showed high satisfaction with the procedure (73% overall satisfaction), but are notable for high rates of ED (36.7%) and perceived penile shortening (43.3%) (32). Overall, while the majority of patients maintain penile length with this technique, a clinically significant minority are still reported to experience penile shortening (33).

The Egydio technique for PI and grafting was first described in 2002 and consists of a geometrically-based circumferential relaxing incision which is forked at the ends (34). Initial results in 33 patients demonstrated an intraoperative increase in SPL of 2.2 cm (range, 1–4 cm) (35). A total of 157 patients were enrolled in a multi-institutional outcomes study with median follow-up of 20 months in order to evaluate the Egydio technique. These patients had a median 2.5 cm (range, 1.5–3.5 cm) gain in penile length (36). However, this technique has been independently associated with ED and therefore patients must be selected appropriately (24).

Overall, the literature suggests that the Lue technique is likely to maintain or decrease penile length, but the Egydio technique is likely to increase penile length in men with PD while simultaneously elevating the risk of post-operative ED.

Plaque incision (PI) and grafting with corporal sparing silicone prosthesis placement

PI and grafting with silicone prosthesis placement increases penile length while retaining some native erectile function. Austoni et al. [2005] described a technique involving placement of a soft, axially rigid 10 Fr silicone prosthesis, which allows for some residual erectile function. Full thickness incisions were made into the tunica over the area of maximal bending until the penis could be fully elongated and relaxed. The defect was closed with a saphenous venous graft. For the 145 patients enrolled, average penile length increased by 1.3 cm (range, 0.8–2 cm) (37). Zucchi et al. in 2013 modified Austoni’s technique on 60 patients to use an 8 Fr prosthesis and a dovetail incision allowing for further curvature relaxation. This resulted in a larger defect requiring a bovine pericardial patch instead of the smaller venous graft. Mean shaft length increased by 2 cm (range, 1.2–2.3 cm) (38). Significantly, the authors reported that each patient maintained his gains in the 6 months following the procedure.

Surgical management techniques which increase or maintain penile length for men with severe comorbid ED

Innovative approaches to inflatable penile prosthesis (IPP) placement

There are some novel techniques for IPP insertion that may allow for greater length preservation in men with PD compared to traditional approaches. A recently reported series of 200 men (92 with PD) underwent IPP placement by a single surgeon utilizing a novel subcoronal approach (sc-IPP). The procedure begins with a subcoronal, “circumcision” incision and penile degloving. This allows for intraoperative assessment of penile pathology including PD. Then, repairs with relaxing incisions, grafting, and/or plication can be completed as needed. An IPP is inserted via two proximal, ventral corporotomy incisions after other pathology has been addressed. Using this method, patients gained a mean penile length of 0.6 cm. Complications included infection (1.5%) and one impending distal erosion requiring reoperation (39). Overall, since transitioning from the infrapubic to the subcoronal approach, the mean corporal length measurement has increased from 20.4±0.9 to 22.1±2.2 cm (P<0.0001, data is from abstract presented at the American Urological Association 2015 by Weinberg et al.).

The authors theorize that the dartos fascia may have inherent restrictive properties that prevent maximum relaxation and lengthening of the tunica albuginea, thereby tethering the penis and preventing complete relaxation and lengthening of the tunica albuginea. This effect may be more pronounced in men with longstanding ED and fibrosis of the corporal tissues. Upon degloving of the penis, in most cases they have observed an immediate gain in length when compared to the preoperative SPL. This difference in length may be attributed to the separation of the Dartos fascia from Buck’s fascia and allowing for full relaxation of the tunica albuginea. Furthermore, by having access to the tunica albuginea, there is the ability to perform other additional adjuvant procedures at the time of subcoronal penile prosthesis (scIPP), including relaxing incisions and aggressive modeling. In fact, 24% and 22% of patients had simultaneous plaque plication or relaxing incisions, respectively (39). The authors believe that the ability to routinely perform these adjuvant procedures no doubt adds to the length gains of this approach.

Other innovative approaches to IPP placement include aggressive cylinder sizing, post-operative inflation protocols, and corporal sparing techniques that limit the amount of corporal dilation. Aggressive cylinder sizing and post-operative inflation protocols are discussed in the section entitled “Post-Operative Inflation Protocols” below. With regard to corporal sparing techniques, one randomized study from 2010 included 100 patients, 50 of whom were controls who underwent IPP placement with standard corporal dilation and 50 of whom underwent the modified treatment without full corporal dilation. The control group experienced a 1.2-cm mean decrease in penile length while the treatment group had a 1.1-cm mean penile length increase (40).

Therefore, though IPP placement is traditionally associated with decreased SPL, newer techniques may allow for maintained or increased penile length.

Circumferential incision and grafting

A technique for circumferential incision and grafting was proposed by Sansalone et al. in 2012 and was completed in 23 patients with an average follow-up of 22 months. Sansalone describes degloving the penis through a combined subcoronal and penoscrotal approach followed by dissecting Buck’s fascia [including the neurovascular bundle (NVB)] and the urethra off of the tunica albuginea. An artificial erection is made with saline injection at which point the girth of the tunical shaft is measured and the point of maximal curvature is identified by overlapping longitudinal lines. A circumferential incision is made at the point of maximum curvature in the tunica and the penis is pulled to full stretch as limited by the length of the NVB. A graft is made from InteXen using the previously obtained girth measurement, and the measured tunical defects from the concave and convex aspects of the point of maximum curvature. The graft is placed and the IPP is then inserted through two proximal corporotomy incisions. The average length gain was 2.8 cm (range, 2.2–4.5 cm). A total of 20% of patients reported diminished glans sensitivity and 13% had residual curvature less than 15 degrees. Ultimately, 90% were satisfied with the cosmetic and functional result of the procedure (41,42).

The Egydio technique using circular and longitudinal grafting aims to achieve maximum penile length as defined by the full length of the NVB. A subcoronal incision is made and the penis is degloved. Two longitudinal incisions are made lateral to the NVB to dissect the NVB off of the tunica albuginea. An erection is induced with medical injection therapy in order to determine the point of maximal curvature. A circumferential incision is made at the point of maximum curvature with the penis under tension. Egydio’s technique differs from that of Sansalone et al. (described above) in that the incision is started circularly on the concave side of the point of maximal curvature, but does not need to be completed circumferentially if length is limited by the NVB. Furthermore, instead of performing urethral mobilization in all cases, only the NVB is mobilized initially, and the surgeon may opt to dissect the urethra as well if it is noted to be a limiting factor in length. A penile prostheses (malleable was utilized in the original series) may be placed under direct visualization, and a graft material (bovine pericardium) placed based on the previously measured geometry of the incision. Narrowing can also be corrected in this technique using longitudinal tunical incisions. The initial study on this technique included 104 patients with mean functional penile length gain of 3.6 cm (range, 0.7–2.5 cm). Three patients developed retraction with residual curvature up to 30 degrees and 1 required explant for infection. Overall, 95.2% were satisfied with their post-operative length (42).

The sliding technique

The sliding technique was described by Rolle in a small series of 3 patients in 2012 and the results of a larger 28-patient European multicenter study were published in 2015. This technique uses a combined subcoronal and penoscrotal degloving incision followed by mobilization of the NVB and the urethra off of the corpora cavernosa. Next, two >4 cm longitudinal incisions are made in the lateral aspect of the tunica albuginea of each corpus cavernosum and joined by hemi-circumferential incisions (the proximal hemi-circular incision connects dorsally and the distal connects ventrally). This allows for complete transection of the corpora and the ability to stretch the penis to maximum corrected length, leaving two rectangular defects. The overlapping segments of tunica are sutured together under maximum stretch. Penile prostheses are placed and defects grafted with porcine small intestinal submucosa or collagen-fibrin sponge for IPP or malleable PP placement, respectively. Grafts may be placed following malleable penile prosthesis placement, but IPP should be inserted after grafting is complete because of the risk of suture damage to the device. Overall, this technique resulted in mean penile lengthening of 3.2 cm (range, 2.5–4 cm) and 95% of men were satisfied with their increased length. One patient (3.5%) on anticoagulation required a blood transfusion for profuse bleeding and 2 patients (7%) required device removal for infection. Of the 28.5% with penile hematoma, all were managed conservatively (43,44).

The modified sliding technique (MoST) and multiple slice technique (MuST)

MoST is a modification of the sliding technique described by Rolle in 2012, with the most notable differences being the use of a single subcoronal incision for penile degloving, as well as the mobilization and utilization of Buck’s fascia to cover defects in the tunica albuginea, obviating the necessity for graft material (Figure 1). The procedure begins with a circumferential subcoronal incision and degloving of the dartos fascia. Buck’s fascia is then incised just laterally to the urethra and dissected off of the corporal bodies circumferentially to isolate the NVB. An artificial erection is induced before mobilization of the corpus spongiosum off of the corpora cavernosa. The corporal bodies are marked ventrally in a semilunar manner from 3 to 9 o’clock 2–3 cm proximal from the coronal sulcus, dorsally from 9 to 3 o’clock 1.5 cm distal to the penoscrotal junction, and bilaterally via longitudinal markings that connect the prior dorsal/ventral markings. If an IPP is to be placed rather than malleable PP, two separate corporotomy incisions are made proximal to the penoscrotal junction for insertion of the IPP. The proximal semi-circular incision is then created and the corpora are dilated. Finally, the longitudinal and distal semi-circular incisions are completed. The penis can then be straightened and lengthened by sliding along the longitudinal incisions. The longitudinal tunical incisions are then sutured together at the point of overlap with the penis on stretch (45). The majority of patients in the initial series received malleable prostheses with insertion through the existing defect. However, some patients did receive an IPP which was placed via separate proximal corporotomy incisions. This technique is notable in that no graft material is used, allowing for a rectangular tunical defect in the proximal dorsal shaft. The distal ventral corpora defect is covered by the compressed cavernosum and the corpus spongiosum. Buck’s fascia is re-approximated to cover the proximal dorsal defect (45).

Figure 1 The modified sliding technique (MoST). This image shows the MoST with the penis at full stretch. To the right of the image, one can see the fully dissected Buck’s fascia containing the neurovascular bundle. To the left, the urethra and corpus spongiosum has been dissected off of the corpora. In the center, the tunica has been incised laterally with two longitudinal incisions connected by a distal ventral and a proximal dorsal hemi-circumferential incision. Rather than grafting as would be seen in the sliding technique, the distal defect is covered by the compressed cavernosum and spongiosum and the proximal defect will be covered with the re-approximated Buck’s fascia.

MuST is a modification of the MoST technique. Instead of a single set of longitudinal incisions and two hemi-circumferential tunical incisions as seen in the MoST technique, this procedure uses multiple pairs of hemi-circumferential incisions allowing for multiple sliding sections (Figure 2). The incisions are detailed in Figure 2. Further modification of the tunical incisions consists of multiple forked transverse incisions on the side of the curvature rather than using the sliding technique (Figure 3).

Figure 2 The multiple slice technique (MuST) with hemi-circumferential and longitudinal incisions. This figure shows the MuST with the penis at full stretch. The illustration (A) demonstrates the penis with the urethra (left) and Buck’s fascia (right) dissected off of the corpora cavernosa. The blue lines denote the points of incision into the tunica. The illustration (B) demonstrates the lengthening of the tunica after the incisions are made and the penis placed on stretch. The image (C) gives an intraoperative perspective. One can see the fully mobilized neurovascular bundle within Buck’s fascia (right), and the isolated corpus spongiosum (left) surrounded by a Penrose drain. Tubing connecting to the inflatable penile prosthesis cylinders has been placed through proximal corporotomy incisions (bottom). No grafting material is used with this technique. Rather, Buck’s fascia is closed over the defects.
Figure 3 The multiple slice technique (MuST) with forked incisions. This figure demonstrates the MuST with multiple forked incisions. (A) Penis with Peyronie’s curvature; (B) longitudinal lines which demarcate the beginning of the dissection of Buck’s fascia; (C) multiple forked incisions in the tunica albuginea which allow for curvature relaxation; (D) erect penis following tunical incisions; (E) postoperative appearance.

The MoST and MuST results were first described in abstract form at the 2014 Sexual Medicine Society of North America (SMSNA) and the 2015 AUA Annual Meetings, with outcomes first reported in the literature by Egydio et al. in 2015. In this series, 143 patients with ED had mean pre-operative subjective length loss of 3.4 cm, baseline IIEF of 24, and comorbid PD in 53.8%. All men underwent MoST or MuST procedures. Average length gain was 3.1 cm and IIEF increased to 60 at 6 months. Penile curvature was resolved in all patients and all patients were able to participate in sexual intercourse and achieve orgasm following the procedure. Complications included spontaneously resolving hematomas (24.5%), self-limited glans numbness (4.9%), and concerns about girth (9.8%) in a subgroup of patients receiving malleable prostheses (46). A multi-institutional study of 40 patients presenting to Columbia University Medical Center (CUMC) and New York University-Langone Medical Center (NYU), mean age 65, were treated with MoST (Data is from abstract presented at the Sexual Medicine Society of North America 2015 by Weinberg et al.). This study found that men treated with this procedures had a significant increase in SPL (mean 2.4 cm at CUMC and 2.6 cm at NYU; maintained at 9 months follow-up) and 100% maintained a postoperative ability to have sexual intercourse. Three patients had partial necrosis of a suture line and 1 had a hyper-mobile glans.

Adjuvant therapies to increase penile length

Penile traction therapy (PTT)

There is evidence that PTT can improve penile length in men with PD. A nonrandomized, prospective controlled trial of 96 men with acute phase PD receiving either PTT or no therapy found a decreased SPL in the group without therapy at 6 months (47). In addition, PTT has been shown to increase SPL 1.3±0.4 cm over 6 months in men complaining of small penile length (48). In addition, duration of PTT or PTT greater than 3 hours per day may improve SPL in men receiving verapamil injection therapy or interferon alpha-2b injection therapy, respectively (49,50). In fact, verapamil injection therapy in combination with oral L-arginine and pentoxifylline was associated with a 0.38-cm SPL gain for every hour of daily traction completed (49). A study of 10 men (2 with PD) who received PTT pre-operatively found that 70% had increased SPL following IPP placement, with mean increase in SPL postoperatively of 0.9 cm (range, 0–1.5 cm). Of the two patients with PD, one had no change in length and one gained 1.5 cm (51). Furthermore, PTT may help to preserve length post-operatively following partial incision and grafting. One non-randomized, retrospective study of 59 men who received partial excision and grafting found that men with PTT saw an increased SPL of 1.48 cm (range, 0–6 cm) vs. 0.24 cm (range, −1–2.5 cm) in the cohort without PTT. Notably, none of the men in the PTT cohort experienced subjective loss of SPL (52).

Post-operative inflation protocols

A multicenter, 40-patient study by Henry et al. from 2015, though notably excluding men with PD, examined men who received aggressive cylinder sizing with the Coloplast Titan IPP, including 6–12 months of daily post-operative inflation for 1–2 h daily. A total of 29% of men had increased size at 1 year compared to the pre-operative length. On average, men had increased length and girth (1.14±1.94 and 1.08±0.82 cm, respectively) at final 12-month follow-up (53). Despite the fact that this study did not report complications, the potential risks of aggressive sizing include erosion and other complications. Although specific data on aggressive sizing and inflation protocols are lacking among specific cohorts of men with PD, it is reasonable to extrapolate this data and apply techniques of sizing, molding, and inflation among men with PD.

Medical therapy for glans engorgement

Some of the complaints concerning decreased penile length in men with PD and comorbid ED following intervention may be explained by decreased glans engorgement or a “cold” glans. For these men, medical therapies may help patients achieve satisfaction with their penile length.

Intraurethral alprostadil has been demonstrated to be an effective adjuvant therapy for patients who can tolerate the discomfort associated with intraurethral placement (54,55). The largest study examined 17 men with “cold” glans following IPP placement. Of these men, 10 were satisfied with the therapy, 11 continued with treatment after the initial dose, and 7 discontinued or were dissatisfied because of prohibitive penile pain (54).

Sildenafil citrate has also been used in men with decreased glans engorgement following placement of IPP. For men who responded to therapy with increased glans engorgement, patient satisfaction with the procedures increased (56).

Adjuvant surgical therapy

There are several surgical techniques which can be used in an adjuvant manner to increase subjective and/or objective penile length in a patient who is already receiving surgical intervention for PD. These include suspensory ligament release, suprapubic lipectomy, and ventral phalloplasty.

Suspensory ligament release has been examined in several series. One series of 42 patients of whom 27 (64%) had PD primarily examined men with suspensory ligament release, but also examined men with simultaneous suprapubic lipectomy and silicone buffer placement. These men experienced an increased SPL of 1.3 cm (±0.9 cm). Notably, insertion of a silicone buffer was significantly associated with increased SPL, likely because this prevented suspensory ligament reattachment, a complication which can cause contractures (57). The largest English language series we identified, from Borges et al. in 2006, examined 303 men who had suspensory ligament release at the time of IPP placement. 93% were satisfied with the procedure and only 1.3% reported subjective loss of penile length. Of the 18 patients enrolled in a subset of this study which directly measured penile length, flaccid SPL increased 2.4 cm (range, 1.4–3.2 cm) and erect penile length increased 1.7 cm (range, 1.1–2.3 cm) (58). As the primary post-operative concern with this procedure is suspensory ligament reattachment causing contracture, surgical techniques that may prevent this are an ongoing area of discovery in the literature (59,60).

Suprapubic lipectomy involves removing the adipose tissue surrounding the base of the penis and often occurs with simultaneous release of the suspensory ligaments or dartos fascia (61). It was first described by Horton et al. in 1987 in boys with congenital buried penis (62). Suprapubic adiposity can bury the proximal portion of the shaft, leading to a perception of decreased penile length. This technique can be combined with abdominoplasty in overweight individuals, often with the assistance of a plastic surgeon (63).

Vental phalloplasty, a procedure based on the common pediatric procedure to correct a webbed penis, involves surgical release of the ventral penoscrotal web. First described in 2007 as an adjuvant designed to increase patient satisfaction with IPP placement, several studies have shown that ventral phalloplasty increases perceived penile length in the majority of patients (61,64-66). However, patients who receive ventral phalloplasty are at high risk for wound dehiscence, especially if there are diabetic. Of the 102 men who underwent ventral phalloplasty, 15 were found of have wound dehiscence (1 of which required reoperation). The odds ratio for dehiscence was 9.8 in men with diabetes (67).

These techniques may be used to increased perceived or objective penile length in order to improve patient satisfaction and cosmetic outcomes for men undergoing surgical intervention for PD.

Discussion and conclusions

There are several techniques for maintaining or lengthening the penis in men with PD. For men without ED or significant curvature, plication is likely to conserve length or minimize length loss. For men with a high degree of curvature and good erectile function, partial incision and grafting is likely to maintain penile length and may gain length in some men, though risk of post-operative ED is significant. For men with comorbid PD and ED, sc-IPP, circumferential incision and grafting, the sliding technique, MoST, and MuST all appear to be safe and effective ways to gain penile length with concomitant prosthesis placement. Carefully selected adjuvant therapies are likely to help men with PD maintain or increase perceived and/or objective penile length. Importantly, the penile lengthening strategies performed simultaneously with penile prosthesis insertion have only been studied in the hands of high-volume implanters. Therefore, in order to avoid unnecessary and debilitating complications, these procedures should be reserved for implanters with extensive experience.


We would like to thank Gary Crumpler for creating animations used in Figure S1.


Conflicts of Interest: The authors have no conflicts of interest to declare.


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Cite this article as: Gaffney CD, Pagano MJ, Weinberg AC, Small AC, Kuehas FE, Egydio PH, Valenzuela RJ. Lengthening strategies for Peyronie’s disease. Transl Androl Urol 2016;5(3):351-362. doi: 10.21037/tau.2016.04.03

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