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What is the cause of dark patches on the glans and foreskin in a 20-year-old male?
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Sexual Health & Wellness
Question #29734
46 days ago
97

What is the cause of dark patches on the glans and foreskin in a 20-year-old male? - #29734

Client_ec625d

Subject: Query regarding long-standing pigmentation on glans/foreskin I am a 20-year-old male presenting with dark (brown to black) patches on the glans penis and inner foreskin. - The pigmentation was first noticed during childhood/school age (exact onset unclear) and has been present for several years. - The patches have remained stable over time, with no significant increase in size, change in color, or change in shape. - The lesions are flat (macular), non-raised, and smooth in texture. - There are no associated symptoms such as pain, itching, burning sensation, discharge, bleeding, or ulceration. - No history of recent trauma, infection, or medication-related reaction affecting the area. - No similar lesions elsewhere on the body. The concern is primarily about the nature of the pigmentation (whether benign or requiring evaluation) and whether any treatment or further investigation is necessary. Kindly advise if this presentation is consistent with benign penile melanosis/genital hyperpigmentation, and whether dermoscopic evaluation or biopsy is indicated. --- Thank you.

How long have you had these dark patches?:

- More than 5 years

Have you noticed any changes in the size or color of the patches?:

- No, they have remained stable

Do you have any other skin changes or lesions elsewhere on your body?:

- No, only on the penis

Have you experienced any discomfort associated with the patches?:

- No discomfort at all

Have you had any recent infections or skin conditions?:

- No recent issues

Do you have a family history of skin conditions or similar pigmentation?:

- Not sure

Have you ever had a dermoscopic evaluation or biopsy of these patches?:

- No, neither
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Doctors' responses

Dr. Bharat Joshi
I’m a periodontist and academician with a strong clinical and teaching background. Over the last 4 years and 8 months, I’ve been actively involved in dental education, guiding students at multiple levels including dental hygienist, BDS, and MDS programs. Currently, I serve as a Reader at MMCDSR in Ambala, Haryana—a role that allows me to merge my academic passion with hands-on experience. Clinically, I’ve been practicing dentistry for the past 12 years. From routine procedures like scaling and root planing to more advanced cases involving grafts, biopsies, and implant surgeries. Honestly, I still find joy in doing a simple RCT when it’s needed. It’s not just about the procedure but making sure the patient feels comfortable and safe. Academically, I have 26 research publications to my credit. I’m on the editorial boards of the Archives of Dental Research and Journal of Dental Research and Oral Health, and I’ve spent a lot of time reviewing manuscripts—from case reports to meta-analyses and even book reviews. I was honored to receive the “Best Editor” award by Innovative Publications, and Athena Publications recognized me as an “excellent reviewer,” which honestly came as a bit of a surprise! In 2025, I had the opportunity to present a guest lecture in Italy on traumatic oral lesions. Sharing my work and learning from peers globally has been incredibly fulfilling. Outside academics and clinics, I’ve also worked in the pharmaceutical sector as a Drug Safety Associate for about 3 years, focusing on pharmacovigilance. That role really sharpened my attention to detail and deepened my understanding of drug interactions and adverse effects. My goal is to keep learning, and give every patient and student my absolute best.
45 days ago
5

Hello dear See as per clinical history it seems Penile melanosis It is characterized by Pigmentation It is being along with absence of Pain Discomfort Infection Swelling So usually no treatment is required for this condition Regards

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The presentation you’ve described is fairly consistent with a benign condition known as penile melanosis, also called genital lentigenes. It’s characterized by flat, pigmented (often brown to black) areas on the penis that typically appear in childhood or early adulthood and generally remain stable over time. Since you mentioned the patches have not changed significantly and are free of symptoms like pain or itching, this further supports the likelihood of a benign nature. Penile melanosis is usually harmless and doesn’t require treatment unless the appearance is causing distress.

Dermoscopy, a non-invasive imaging technique, can be helpful in distinguishing benign melanosis from other pigmented lesions without the need for biopsy. This method allows for magnified examination of the pigmentation and would be a reasonable next step if there’s any concern. Biopsy is typically only advised if there are changes in the lesion’s size, shape, color, or if new symptoms develop, suggesting something more than harmless pigmentation.

I would recommend an appointment with a dermatologist or urologist to confirm the diagnosis through clinical examination and possibly dermoscopy. This way, you can obtain peace of mind regarding the benign nature of your condition and understand if any further steps are needed. In the meantime, there’s no immediate reason for alarm, but do keep an eye on the area for any changes or new symptoms and seek evaluation if you notice anything concerning.

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