What is the treatment for a urethral diverticulum?

From the Guidelines

The treatment for a urethral diverticulum typically involves surgical excision, particularly for symptomatic cases, as it allows for accurate diagnosis and improved surgical planning, especially with the use of MRI for assessment of the structure and complexity of urethral diverticula 1. The standard approach is transvaginal diverticulectomy, which involves complete removal of the diverticulum sac while preserving urethral integrity. Before surgery, patients may receive antibiotics such as trimethoprim-sulfamethoxazole or ciprofloxacin for 7-14 days if infection is present. Some key points to consider in the treatment of urethral diverticulum include:

• The use of MRI for diagnosis and surgical planning, due to its excellent soft-tissue contrast and ability to assess the structure and complexity of urethral diverticula 1.
• The importance of surgical excision for symptomatic cases, as diverticula rarely resolve spontaneously and can lead to recurrent urinary tract infections, stone formation, and in rare cases, malignant transformation.
• The potential complications of surgery, including urinary incontinence, urethrovaginal fistula formation, and recurrence rates of approximately 10-20%. For small, asymptomatic diverticula discovered incidentally, conservative management with monitoring may be appropriate. Post-operative care includes urinary catheterization for 7-14 days to allow healing, pain management with medications like acetaminophen or NSAIDs, and follow-up evaluation to ensure complete resolution. It is worth noting that the presence of a bladder diverticulum is not an absolute indication for surgery unless it is associated with recurrent UTI or progressive bladder dysfunction 2. However, the most recent and highest quality study 1 supports the use of surgical excision for symptomatic urethral diverticula, and this approach should be prioritized in clinical practice.

From the Research

Treatment Options for Urethral Diverticulum

The treatment for urethral diverticulum can vary depending on the size, location, and symptoms of the diverticulum. The following are some of the treatment options:

• Surgical excision and reconstruction, most often through a transvaginal approach 3, 4, 5
• Urethral diverticulectomy, which involves the removal of the entire urethral diverticulum wall, watertight closure of the urethra, and multi-layered closure of surrounding tissue 3, 5
• Urethral dilation, which can be used to alleviate symptoms in cases of infected urethral diverticulum 6
• Non-operative management, which may include post-void manual decompression, and can be used for small, asymptomatic diverticula or those that can be manually emptied after voiding 7
• Urinary diversion, which may be necessary in some cases, such as those with recurrent urinary tract infections or obstructive voiding symptoms 7

Considerations for Treatment

When considering treatment for urethral diverticulum, the following factors should be taken into account:

• Size and location of the diverticulum
• Presence of symptoms, such as urinary incontinence, dyspareunia, or recurrent urinary tract infections
• Presence of complications, such as urethrovaginal fistula or urethral stricture
• Patient's overall health and medical history
• Presence of malignancy, which may require more aggressive treatment, such as anterior pelvic exenteration 4

Diagnostic Techniques

The diagnosis of urethral diverticulum typically involves a combination of the following techniques:

• Physical examination and medical history 3
• Radiographic imaging, such as voiding cystourethrography (VCUG) or positive-pressure urethrography (PPU) 3
• Ultrasound, which can be used to evaluate the size and location of the diverticulum 3, 5
• Magnetic resonance imaging (MRI), which can provide detailed images of the urethra and surrounding tissues 3, 4, 5