Perform physical exam and document penile curvature degree. Complete preoperative labs including CBC, coagulation profile, and ECG. Ensure NPO status for at least 8 hours. Administer prophylactic antibiotics and venous thromboembolism prophylaxis. Obtain informed consent regarding risks including erectile dysfunction and sensory changes.
Monitor for postoperative hematoma, infection, or flap necrosis. Manage pain with multimodal analgesics. Encourage early mobilization. Discharge instructions include abstaining from sexual activity for 6-8 weeks, wound care, and follow-up for suture removal. DVT prophylaxis continued as indicated.
Comprehensive Clinical Guide: Peyronie’s Plaque Incision and Grafting
1. Introduction and Clinical Overview
Peyronie’s disease (PD) is a connective tissue disorder characterized by the development of fibrous, inelastic plaques within the tunica albuginea of the penis. This condition results in penile deformity, including curvature, indentation, hinging, and shortening, often accompanied by pain during the acute phase and erectile dysfunction (ED) in the chronic phase.
When conservative management and minimally invasive procedures (such as collagenase clostridium histolyticum injections) fail, or when the curvature is severe and complex, surgical intervention becomes the gold standard. Peyronie’s Plaque Incision and Grafting (also known as plaque excision and grafting or Nesbit-plaque grafting) represents the definitive surgical approach for patients with stable disease, significant deformity, and preserved erectile function. Unlike plication procedures, which shorten the penis, grafting aims to restore penile length and straighten the shaft by replacing the inelastic plaque with a bio-compatible graft.
2. Deep-Dive: Technical Specifications and Mechanisms
The primary objective of plaque incision and grafting is to release the tethered tunica albuginea, allowing the penis to straighten under artificial erection.
The Mechanism of Action
- Plaque Incision/Excision: The surgeon creates specific geometric incisions (H-shaped, Y-shaped, or circular) across the plaque. In some cases, the plaque is excised entirely, though leaving a portion of the plaque often provides a better "bed" for the graft.
- Graft Placement: The defect created by the incision is bridged using a graft material. This material must be robust enough to withstand high-pressure erections while maintaining structural integrity.
- Restoration of Mechanics: By increasing the surface area of the tunica albuginea on the concave side of the curvature, the penis regains its ability to expand symmetrically during tumescence.
Common Graft Materials
| Material Type | Examples | Advantages |
|---|---|---|
| Autologous | Saphenous vein, Dermis, Temporal fascia | Lowest risk of rejection; biocompatible. |
| Allogeneic | Cadaveric pericardium | No donor site morbidity; off-the-shelf availability. |
| Xenogeneic | Porcine small intestinal submucosa | Standardized thickness; minimal immunogenicity. |
| Synthetic | PTFE (Teflon), Dacron | Extremely durable; rarely used due to infection risk. |
3. Clinical Indications and Usage
Surgical intervention is not indicated for all patients. It is reserved for those who meet specific criteria established by international urological associations (e.g., AUA, EAU).
Indications for Surgery:
- Disease Stability: The patient must have a stable deformity for at least 6–12 months, with no pain during erections (indicating the end of the inflammatory phase).
- Severe Curvature: Curvature exceeding 60 degrees, which prevents penetrative intercourse.
- Complex Deformity: Presence of "hourglass" deformities or significant hinging that makes the penis unstable during sexual activity.
- Failure of Conservative Therapy: Lack of improvement after systemic medications, intralesional injections, or traction therapy.
- Psychosocial Impact: Significant distress, anxiety, or relationship strain directly linked to the physical deformity.
Pre-Operative Preparation:
- Penile Doppler Ultrasound: Essential to assess the vascular status of the corpus cavernosum.
- Artificial Erection Test: Performed under anesthesia to document the exact degree and nature of the curvature.
- Erectile Function Assessment: Using the IIEF-5 (International Index of Erectile Function) questionnaire.
- Patient Counseling: Extensive discussion regarding the risk of post-operative erectile dysfunction and potential loss of penile length.
4. The Surgical Procedure: Step-by-Step
The procedure is typically performed under general or regional anesthesia.
Step 1: Exposure
A circumferential subcoronal incision is made, and the skin is degloved to the base of the penis. A Buck’s fascia incision allows for the isolation of the neurovascular bundle to protect the dorsal nerves.
Step 2: Artificial Erection
A tourniquet is placed at the base, and saline is injected into the corpora cavernosa to induce an artificial erection. This allows the surgeon to visualize the precise location of the plaque and the degree of curvature.
Step 3: Incision/Excision
The surgeon incises the tunica albuginea over the plaque. If the plaque is calcified, it may be partially excised. The goal is to release the tethered tissue until the penis is straight.
Step 4: Grafting
The graft is trimmed to fit the defect. It is sutured to the edges of the tunica albuginea using non-absorbable monofilament sutures (e.g., Prolene 4-0) in a water-tight fashion.
Step 5: Testing and Closure
A second artificial erection is performed to ensure the penis is straight and there is no leakage from the graft site. The neurovascular bundle is replaced, and the skin is closed with absorbable sutures.
5. Post-Operative Recovery Protocol
- Immediate Post-Op: A pressure dressing is applied for 24–48 hours. A urinary catheter is usually placed for 24 hours.
- Pain Management: Oral analgesics and, occasionally, anti-inflammatory medications.
- Activity Restrictions: No sexual activity or masturbation for 6–8 weeks.
- Penile Rehabilitation: Patients are often started on vacuum erection devices (VED) or phosphodiesterase type 5 (PDE5) inhibitors 4–6 weeks post-op to promote blood flow and prevent graft contracture.
- Follow-up: Clinical evaluation at 2 weeks, 6 weeks, and 6 months post-surgery.
6. Risks, Side Effects, and Contraindications
Potential Complications:
- Erectile Dysfunction (De Novo): The most significant risk. Occurs in 10-20% of patients due to damage to the cavernous nerves or venous leakage.
- Penile Shortening: While grafting mitigates this, some degree of length loss is common.
- Graft Failure/Infection: Rare, but requires removal of the graft.
- Sensitivity Changes: Transient or permanent numbness of the glans.
- Recurrence: New plaques can form, though rare in stable disease.
Contraindications:
- Active Peyronie’s Disease: Surgery during the inflammatory phase (painful erections) is strictly contraindicated.
- Poor Erectile Function: Patients with severe, pre-existing ED are better candidates for a penile prosthesis rather than grafting alone.
- Uncontrolled Diabetes: Significantly increases the risk of wound healing issues and infection.
7. Massive FAQ Section
Q1: Will my penis return to its original length after surgery?
A: Plaque incision and grafting is designed to maintain length, but you should expect some minor shortening compared to your pre-disease state.
Q2: How long do I have to wait before I can have sex?
A: Typically 6 to 8 weeks. This allows the graft to integrate and the tunica albuginea to heal securely.
Q3: Is this procedure covered by insurance?
A: In many cases, yes, if the deformity is documented to interfere with sexual function. Check with your specific provider regarding "medical necessity."
Q4: What is the success rate of this surgery?
A: Success rates for straightening are high, typically exceeding 85–90%.
Q5: Can I have this done if I also have erectile dysfunction?
A: If you have ED, the surgeon may recommend a penile prosthesis with or without grafting, as grafting alone may not restore sufficient rigidity.
Q6: What is the difference between plication and grafting?
A: Plication pulls the healthy side of the penis to match the short side (causing shortening). Grafting lengthens the short side to match the healthy side.
Q7: Will I feel the graft under my skin?
A: Initially, the graft area may feel firm. Over time, the tissue usually softens and becomes less noticeable.
Q8: What are the risks of using cadaveric grafts?
A: There is a negligible risk of disease transmission, but modern processing techniques have made these materials extremely safe.
Q9: Can I use vacuum pumps before the surgery?
A: Yes, vacuum therapy is often used pre-operatively to help stretch the tissue, but it will not "cure" a calcified plaque.
Q10: Does the surgery affect my ability to ejaculate?
A: No, the procedure does not interfere with the ejaculatory mechanism or fertility.
8. Alternative Treatments
When surgery is not the preferred path, patients may consider:
1. Collagenase (Xiaflex) Injections: Enzymatic degradation of the plaque.
2. Penile Traction Therapy (PTT): Mechanical stretching devices worn for several hours daily to reduce curvature.
3. Intralesional Verapamil/Interferon: Off-label injections intended to soften the plaque.
4. Penile Prosthesis: For patients with severe curvature and concomitant erectile dysfunction, placing an inflatable penile implant is often the superior clinical choice.
Disclaimer: This document is for educational purposes only and does not constitute medical advice. Surgical decisions should be made in consultation with a board-certified urologist specializing in sexual medicine.