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What does it mean if a black mole grows on the glans penis?

Nov 08, 2024 Source: Cainiu Health
Dr. Liu Wenmin
Introduction
The glans refers to the head of the penis. Generally, the presence of a black mole on the glans penis may be caused by a pigmented nevus, penile macule, superficial penile vein thrombosis, fungal balanitis, melanoma, or other reasons, and appropriate management is required depending on the specific situation. In daily life, it is recommended to develop good living habits, maintain genital hygiene, and change underwear regularly. Additionally, it is important to practice good personal conduct and avoid unsafe sexual practices.

　　The glans refers to the head of the penis. In general, black moles on the glans penis may be caused by pigmented nevi, black spots on the glans penis, superficial penile vein thrombosis, fungal balanitis, melanoma, and other conditions, which require different treatments depending on the specific situation.

　　1. Pigmented nevus: Mainly a benign neoplasm composed of nevus cells. Its formation may be related to genetic factors or local aggregation of melanocytes during embryonic development. Usually, no special treatment is required, and close observation is sufficient.

　　2. Glans penis black spots: These are often caused by long-term local friction, inflammatory irritation, or trauma, which cause increased activity of melanocytes in the glans penis, leading to excessive melanin production and the formation of dark spots. It is recommended to wear loose-fitting cotton underwear to reduce excessive friction.

　　3. Superficial penile vein thrombosis: Usually caused by impaired local blood circulation in the penis, resulting in thrombus formation within the superficial veins, which can lead to localized skin color changes resembling black moles. It is recommended to rest adequately, avoid prolonged standing or sitting, reduce sexual stimulation, and prevent penile erection to avoid worsening symptoms.

　　4. Fungal balanitis: Mainly caused by fungal infection; factors such as unclean sexual activity, poor local hygiene, and diabetes can increase the risk of developing fungal balanitis. It is recommended to follow medical advice and use medications such as clotrimazole cream or miconazole cream to relieve symptoms.

　　5. Melanoma: Existing pigmented moles or dark spots on the glans penis may undergo malignant transformation into melanoma under long-term adverse stimuli, such as repeated friction, scratching, or chemical irritation. If melanoma is suspected, immediate medical consultation is advised for comprehensive evaluation and, after diagnosis, treatment under medical guidance through surgical excision, targeted therapy, and other comprehensive measures.

　　In daily life, it is recommended to develop good living habits, avoid consuming spicy and irritating foods, and consume more fresh vegetables and fruits. Maintain genital hygiene, clean regularly, and change underwear frequently. Practice good personal hygiene and avoid unsafe sexual practices.

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