Brown Spots on Hands: Causes and Treatments

Brown spots on the hands?

Hello Doctor, my father is 50 years old and recently discovered a large brown spot on his hand as shown in the picture (https://drive.google.com/file/d/1QYMMEBg3i2gFpQaF5BEn1xAWO3r54gwL/view?usp=drivesdk).
It feels similar to normal skin.
Could you please tell me what this spot might be?

Huang, 50~59 year old female. Ask Date: 2021/06/16

Dr. Wu Yuxin reply Dermatology

I apologize, but current medical regulations do not allow for online diagnoses in this manner.
If it is inconvenient to visit a hospital or clinic due to the pandemic, you may consult a dermatology clinic that offers telemedicine services, and they can provide care for your father in accordance with the regulations.

Reply Date: 2021/06/16

More Info

Brown spots on the skin, particularly on the hands, are commonly referred to as "age spots" or "liver spots" (solar lentigines). These spots are typically benign and are a result of prolonged exposure to ultraviolet (UV) light from the sun, which can cause an increase in melanin production in the skin. As people age, their skin becomes more susceptible to these changes, leading to the appearance of brown spots, especially in areas that have had significant sun exposure, such as the hands, face, and arms.

In your father's case, at 50 years old, it is not uncommon for him to develop these spots, particularly if he has spent a considerable amount of time outdoors without adequate sun protection. Other factors that can contribute to the development of brown spots include genetics, hormonal changes, and certain medications that increase sensitivity to sunlight.

While age spots are generally harmless, it is essential to monitor any changes in their appearance. If the brown spot changes in size, shape, color, or begins to itch, bleed, or become painful, it is crucial to consult a dermatologist. These changes could indicate a more serious condition, such as melanoma, which is a type of skin cancer.

For treatment options, there are several methods available to reduce the appearance of brown spots:
1. Topical Treatments: Over-the-counter creams containing ingredients like hydroquinone, retinoids, or alpha hydroxy acids can help lighten the spots over time. Prescription-strength creams may also be available through a dermatologist.

2. Chemical Peels: A dermatologist can perform chemical peels that remove the outer layer of skin, promoting the growth of new skin that may be less pigmented.

3. Laser Therapy: Laser treatments can target and break down the melanin in the brown spots, leading to a more even skin tone.

4. Cryotherapy: This involves freezing the brown spots with liquid nitrogen, which causes them to fall off over time.

5. Sun Protection: Regardless of treatment, it is vital to protect the skin from further sun damage. Using broad-spectrum sunscreen with an SPF of 30 or higher, wearing protective clothing, and avoiding peak sun hours can help prevent new spots from forming.

In conclusion, while the brown spot on your father's hand is likely a benign age spot, it is essential to keep an eye on it and consult a healthcare professional if there are any concerning changes. Additionally, implementing sun protection measures can help maintain skin health and prevent further pigmentation issues. If he is interested in treatment options, a consultation with a dermatologist would provide the best course of action tailored to his specific needs.

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