Penile Coronary Swelling: Causes and Concerns

Penile corona lesion

Hello doctor, I recently noticed a raised ring around the coronal ridge of the glans while masturbating.
It feels like the glands inside are swollen, but it is only on the right side of my penis; the left side is unaffected.
Could you please explain why this is happening? My sexual activity is straightforward.

Kkk, 20~29 year old female. Ask Date: 2016/01/07

Dr. Xu Weikai reply Urology

Hello, do you experience pain or swelling? Is the affected area well-defined? The information provided is too limited for an accurate assessment.

Reply Date: 2016/01/07

More Info

When it comes to penile anatomy, the term "coronary" typically refers to the coronary sulcus, which is the groove that separates the glans (the head of the penis) from the shaft. If you are noticing a swelling or a raised area around this region, particularly on one side, there are several potential explanations that could account for this observation.

1. Normal Anatomy Variations: The penis has a complex structure, and it is not uncommon for individuals to notice asymmetries or variations in the appearance of their genitalia. The presence of a raised area on one side could simply be a normal anatomical variation.

2. Peyronie's Disease: This condition is characterized by the development of fibrous scar tissue inside the penis, which can cause curved, painful erections. While Peyronie's disease typically presents with a noticeable curvature and may be accompanied by pain or discomfort, localized swelling could be an early sign. However, it is more common for this condition to affect the shaft rather than the glans.

3. Inflammation or Infection: Conditions such as balanitis (inflammation of the glans) or posthitis (inflammation of the foreskin) can lead to swelling and discomfort. If there is any redness, pain, or discharge accompanying the swelling, it may indicate an infection that requires medical attention.

4. Lymphatic or Vascular Issues: Swelling can also occur due to lymphatic or vascular issues. For instance, a blockage or inflammation in the lymphatic system can lead to localized swelling. Similarly, a vascular issue, such as a thrombosis or varicocele, could cause swelling in the area.

5. Trauma or Injury: If you have engaged in vigorous sexual activity or masturbation, it is possible that you may have experienced minor trauma to the area, leading to localized swelling. This type of swelling is usually temporary and should resolve with time.

6. Cysts or Other Growths: Occasionally, benign cysts or growths can develop in the genital area. These may present as localized swellings and are generally harmless, but they should be evaluated by a healthcare professional to rule out any serious conditions.

Given your description, it is essential to monitor the swelling for any changes. If the swelling persists, increases in size, or is accompanied by pain, redness, or discharge, it is advisable to consult a healthcare provider. They can perform a physical examination and may recommend imaging studies or other diagnostic tests to determine the underlying cause of the swelling.

In summary, while localized swelling around the glans can be concerning, it is often due to benign causes. However, it is crucial to seek medical advice if you have any doubts or if the symptoms worsen. Regular check-ups and open communication with a healthcare provider are vital for maintaining sexual health and addressing any concerns promptly.

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