Ectopic Sebaceous Glands: A Urology Perspective - Urology

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Sebaceous gland ectopia?


Hello doctor, regarding the uploaded images, what is the circled area? It appears white, not raised, and resembles a small pimple.
It's quite small, but when I apply pressure, it doesn't come out and there's no bleeding.
I've noticed it for about a month, and I discovered it after retracting my foreskin.
I hope to find an answer here.
Thank you.

Wang, 30~39 year old female. Ask Date: 2022/02/10

Dr. Chen Jiansheng reply Urology


It appears to be a benign condition.

Reply Date: 2022/02/10

More Info


Ectopic sebaceous glands are a common anatomical variant that can be found in various locations on the body, including the genital region. These glands are similar to the sebaceous glands found on the skin, which produce sebum, an oily substance that helps to lubricate and protect the skin. In the context of urology, understanding ectopic sebaceous glands is important, especially when they appear in areas such as the foreskin or glans of the penis.

From your description and the images you provided, it seems that you are observing small, white, non-painful bumps that resemble acne or clogged pores. These bumps are likely ectopic sebaceous glands, which can sometimes become more noticeable when the foreskin is retracted. They are typically harmless and do not require treatment unless they become inflamed or infected.


Characteristics of Ectopic Sebaceous Glands:
1. Appearance: Ectopic sebaceous glands often appear as small, white or yellowish bumps on the skin. They may resemble pimples but do not typically contain pus or cause pain.

2. Location: These glands can be found in various locations, including the genital area, and are particularly common in the foreskin and glans of the penis.

3. Function: Like other sebaceous glands, ectopic sebaceous glands produce sebum, which helps to keep the skin moisturized. However, their presence in atypical locations can sometimes lead to confusion regarding their nature.

4. Symptoms: Most individuals with ectopic sebaceous glands do not experience any symptoms. They are usually asymptomatic and do not require intervention unless there is a secondary issue, such as infection.


Management and Recommendations:
- Observation: Since you have noticed these bumps for a month without any changes in size, color, or symptoms, it is reasonable to continue monitoring them. If they remain asymptomatic, there is typically no need for concern.

- Avoid Squeezing: It is advisable not to squeeze or attempt to extract the contents of these bumps, as this can lead to irritation, inflammation, or infection.

- Consultation: If you notice any changes in the appearance of the bumps, such as increased size, redness, pain, or discharge, it would be prudent to consult a urologist or dermatologist for further evaluation. They may perform a physical examination and, if necessary, a biopsy to rule out other conditions.

- Hygiene: Maintaining good hygiene in the genital area can help prevent any potential irritation or infection. Regular washing with mild soap and water is recommended.

- Education: Understanding that these bumps are likely normal anatomical variations can help alleviate any anxiety you may have regarding their presence.
In conclusion, ectopic sebaceous glands are generally benign and do not pose a health risk. However, if you have any concerns or if the bumps change in any way, seeking medical advice is always a good practice. Regular follow-ups with a healthcare provider can ensure that any potential issues are addressed promptly.

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