Should You Worry About a Changing Mole on the Penis?

Suspected melanoma on the foreskin?

Hello, Doctor.
I have recently noticed that a mole on the glans (the head of the penis) that I had since childhood has grown a bit larger.
Its color has become irregular, and the borders are also irregular.
When not erect, it measures approximately 6 mm in diameter and 3 mm in width, with no elevation.
The color ranges from dark brown to light brown.
Should I visit a nearby dermatology clinic or a major hospital for an examination?

Hong, 20~29 year old female. Ask Date: 2021/11/04

Dr. Wu Yuxin reply Dermatology

First, visit a clinic for an initial evaluation, and if necessary, proceed to a major hospital for further examination.

Reply Date: 2021/11/04

More Info

When it comes to changes in moles, especially in sensitive areas such as the penis, it is essential to take these changes seriously. The characteristics you describe—growth, irregular color, and irregular borders—are concerning signs that warrant further evaluation by a healthcare professional.
Moles, or nevi, can change over time, and while many changes are benign, some can indicate the development of skin cancer, particularly melanoma. The ABCDE rule is a helpful guideline for assessing moles:
- Asymmetry: If you draw a line through the mole, and the two halves do not match, it may be a concern.

- Border: Irregular, scalloped, or poorly defined edges are warning signs.

- Color: A variety of colors (brown, black, tan, red, white, or blue) within the same mole can be alarming.

- Diameter: Moles larger than 6mm (about the size of a pencil eraser) should be evaluated.

- Evolving: Any change in size, shape, color, or elevation, or any new symptom such as bleeding, itching, or crusting, should be assessed.

Given that your mole has changed in size, color, and has irregular borders, it is advisable to consult a dermatologist as soon as possible. They can perform a thorough examination and may recommend a biopsy to determine if the mole is benign or if it requires further treatment.

In addition to the physical examination, it is also important to consider your personal and family history of skin cancer. If you have a family history of melanoma or other skin cancers, or if you have had many moles or atypical moles in the past, you may be at a higher risk and should be more vigilant about monitoring changes.

While waiting for your appointment, keep an eye on the mole for any further changes. Avoid picking at it or trying to remove it yourself, as this can lead to infection or further complications.
In conclusion, do not hesitate to seek medical advice regarding changes in your mole. Early detection is key in managing skin cancer effectively, and a dermatologist will provide the best guidance tailored to your specific situation. Remember, it’s always better to be cautious when it comes to changes in your skin, especially in sensitive areas.

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