Raised Black Spots at the Base of the Penis: What You Need to Know

There are raised black spots at the base of the penis?

Hello Dr.
Wu, I recently discovered a raised black spot at the base of my penis, but I'm not sure if it has been there before.
It is not painful or itchy, and I don't feel anything when I touch it.
Is it normal to have this black spot?

Cao Tian, 20~29 year old female. Ask Date: 2018/12/02

Dr. Wu Yuxin reply Dermatology

Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication..." Therefore, online diagnosis is also not permissible.
If you are experiencing significant distress, it is advisable to seek medical attention promptly.

Reply Date: 2018/12/02

More Info

When it comes to raised black spots at the base of the penis, it is essential to approach this concern with a thorough understanding of potential causes and implications. The presence of a black spot or any unusual growth on the skin can lead to anxiety, but it is crucial to remember that not all skin changes indicate a serious condition.

Firstly, it is important to consider the nature of the black spot. If it is raised, non-painful, and non-itchy, it may be a benign condition. Common benign causes for such spots include:
1. Seborrheic Keratosis: This is a non-cancerous skin growth that can appear as a raised, dark spot. They are often found in older adults and can vary in color from light tan to black.

2. Dermatofibroma: These are small, firm, raised nodules that can be brownish or black. They are usually harmless and often occur on the legs but can appear anywhere on the body.

3. Moles (Nevi): Moles can be raised and may darken over time. If the mole has not changed in size, shape, or color, it is generally not a cause for concern.

4. Pearly Penile Papules: These are small, harmless bumps that can appear around the corona of the penis. They are normal anatomical variations and do not require treatment.

5. Hyperpigmentation: This can occur due to friction, hormonal changes, or other benign factors, leading to localized darkening of the skin.

However, it is also important to be aware of conditions that may require medical attention:
1. Skin Cancer: While rare, any new or changing spot should be evaluated to rule out malignancy. Signs to watch for include asymmetry, irregular borders, multiple colors, and changes in size.

2. Infections: Certain sexually transmitted infections (STIs) can present with unusual lesions. If there are accompanying symptoms such as discharge, pain, or itching, it is crucial to seek medical evaluation.

3. Lichen Planus: This is an inflammatory condition that can cause purple, itchy lesions, sometimes with a dark appearance.

Given that the spot is not painful or itchy, it may be less likely to be a serious condition. However, it is always best to err on the side of caution. I recommend scheduling an appointment with a dermatologist or urologist for a thorough examination. They can provide a definitive diagnosis and, if necessary, perform a biopsy to rule out any serious conditions.

In the meantime, keep an eye on the spot for any changes in size, shape, or color. Avoid picking at it or applying any topical treatments without professional guidance, as this could lead to irritation or infection.

In conclusion, while many raised black spots can be benign, it is essential to have any new or concerning skin changes evaluated by a healthcare professional. Early diagnosis and treatment can provide peace of mind and ensure that any potential issues are addressed promptly.

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