Sudden Dark Spots on the Scrotum After Vasectomy

Large black spots appear on the scrotum?

Hello Doctor: I underwent a male sterilization procedure on October 29, and about two months later, I suddenly noticed a patch of skin in the middle of my scrotum that has turned black, forming a triangular shape from the midline of the scrotum towards the area near the perineum.
I am certain this appeared suddenly, as everything was normal when I changed my medication a month ago.
Earlier, I visited a nearby dermatology clinic where the doctor performed a KOH test, which came back normal.
However, the doctor was unable to determine the cause through dermatoscopy and has referred me to a larger hospital for further examination.
I am quite concerned because I have many moles on my scrotum and am worried about potential skin changes.
I would like to ask: 1.
Is this skin darkening related to the sterilization procedure? 2.
Do I need to see a urologist? 3.
If I see a dermatologist, will a biopsy be necessary?

Niming, 30~39 year old female. Ask Date: 2023/01/09

Dr. Wu Yuxin reply Dermatology

The referral has already been issued, so why haven't you gone for medical treatment yet? Without seeing your actual condition, I cannot make a proper assessment.

Reply Date: 2023/01/09

More Info

After undergoing a vasectomy, it is not uncommon for patients to experience various changes in the scrotal area, including changes in skin pigmentation. The sudden appearance of dark spots or patches on the scrotum can be concerning, especially if they appear after a surgical procedure. Here, I will address your questions and provide some insights based on medical knowledge.

1. Is the skin darkening related to the vasectomy?
While it is difficult to definitively link the sudden darkening of the skin to the vasectomy without a thorough examination, there are a few possibilities to consider. Post-surgical changes can sometimes lead to localized skin changes due to factors such as bruising, irritation, or even minor trauma during the procedure. The scrotum is a sensitive area, and any surgical manipulation can lead to changes in pigmentation. Additionally, if there was any bleeding or hematoma formation during the surgery, this could also result in discoloration as the blood is reabsorbed by the body. However, if the darkening is significant or accompanied by other symptoms such as pain, swelling, or discharge, it is essential to seek further evaluation.

2. Should I see a urologist?
Given that you have noticed a sudden change in the skin of your scrotum, it would be prudent to consult a urologist, especially since they specialize in male reproductive health and conditions affecting the genital area. A urologist can perform a thorough examination and determine if the changes are related to the vasectomy or if they are indicative of another underlying condition. They can also provide guidance on whether any further tests or interventions are necessary.

3. Should I see a dermatologist, and is a biopsy necessary?
Since you have already seen a dermatologist who performed a KOH test (which is typically used to check for fungal infections) and found no abnormalities, it may be beneficial to follow up with them or another dermatologist for a more comprehensive evaluation. If the darkened area persists or changes in appearance, a biopsy may be warranted to rule out any skin conditions, including skin cancer or other dermatological issues. A biopsy can provide definitive information about the nature of the skin changes and help guide appropriate treatment if necessary.

In summary, while the sudden darkening of the skin on the scrotum may be related to the vasectomy, it is essential to have it evaluated by a healthcare professional. Consulting with a urologist is advisable to rule out any complications related to the surgery. Additionally, if the dermatologist cannot provide a clear diagnosis, a biopsy may be necessary to ensure that there are no serious underlying conditions. It is always better to err on the side of caution when it comes to changes in skin appearance, especially in sensitive areas.

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Hello, Doctor: I underwent a male sterilization procedure on October 29, and about two months later, I suddenly noticed a patch of skin in the middle of my scrotum that has turned black, forming a triangular shape from the midline of the scrotum towards the area near the perineum...

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