Median raphe cyst

Median raphe cyst‏‎ is a rare benign congenital condition that affects the genitourinary system. It is characterized by the presence of a cystic lesion along the median raphe of the penis or the perineum. The condition is usually present at birth but can also develop later in life.

Etiology

The exact cause of median raphe cysts is unknown. However, they are believed to be caused by an abnormal embryological development of the male urethra. This abnormal development results in the formation of a cystic lesion along the median raphe, which is the line of fusion of the urethral folds.

Clinical Presentation

Median raphe cysts can present at any age, but they are most commonly diagnosed in young adults. The cysts are usually asymptomatic and are often discovered incidentally during a physical examination. However, some patients may experience symptoms such as pain, discomfort, or difficulty with urination or sexual activity.

Diagnosis

The diagnosis of a median raphe cyst is usually made based on the clinical presentation and physical examination. Imaging studies such as ultrasound or magnetic resonance imaging (MRI) may be used to confirm the diagnosis and to rule out other conditions. In some cases, a biopsy may be performed to confirm the diagnosis and to rule out malignancy.

Treatment

The treatment of median raphe cysts depends on the size of the cyst and the presence of symptoms. Small, asymptomatic cysts may not require treatment. However, larger cysts or those that cause symptoms may require surgical excision. The prognosis after treatment is generally good, with a low risk of recurrence.

See Also

• Urethral diverticulum
• Urethral stricture
• Hypospadias

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