What can be done to minimize the appearance of pigmented lines and wrinkles on my knuckles and elbow crease? (photos)

Question

Can someone tell me what this is and how to remove it? I've had it since I was a child. Every creases and every wrinkle in my skin whether it be the wrinkles in my feet or on my knuckles, is highly pigmented like in the image. It makes them look more prominent, giving the appearance of heavily aged hands, feet, arms you name it. Why does it look this?

Anna Chacon, MD, FAAD · Answer

To minimize the appearance of pigmented lines and wrinkles on the knuckles and elbow creases, the approach depends on the underlying cause, which is often benign but can be associated with systemic conditions such as diabetes, insulin resistance, or autoimmune disease. The pigmentation in skin creases is commonly seen in conditions like acanthosis nigricans, which is most frequently linked to insulin resistance or diabetes, but can also be a feature of other disorders such as autoimmune Addison disease.

Key steps to address pigmented creases:

Evaluate for underlying systemic disease: Assess for diabetes, insulin resistance, or autoimmune conditions such as Addison disease. If present, management of the underlying condition is the primary treatment.
Topical treatments: For benign pigmentation, topical agents such as hydroquinone (Melanex, Lustra), tretinoin (Retin-A), or azelaic acid (Azelex, Finacea) may help lighten hyperpigmented areas. These should be used with caution and under supervision, especially in sensitive areas.
Laser and light therapies: Fractional laser or intense pulsed light (IPL) therapy can be considered for persistent pigmentation, but results vary and there is a risk of post-inflammatory hyperpigmentation, especially in darker skin types.
Moisturization and sun protection: Regular use of emollients and broad-spectrum sunscreen can help prevent further darkening and protect the skin barrier.

Why does it look this way?
Pigmented lines and wrinkles in skin creases are often due to increased melanin deposition, which can be a normal variant, especially in darker skin types, or a sign of underlying metabolic or endocrine disease such as diabetes, insulin resistance, or Addison disease. In Addison disease, hyperpigmentation is especially prominent in areas of friction, such as knuckles and elbow creases, due to increased ACTH stimulating melanocytes. In diabetes and insulin resistance, acanthosis nigricans presents as velvety, hyperpigmented plaques in flexural areas.

If the pigmentation has been present since childhood and is not associated with systemic symptoms, it is more likely to be a benign variant, but a thorough evaluation is warranted to rule out underlying disease.

Raffy Karamanoukian, MD, FACS · Answer

Fractional laser is an amazing and highly effective treatment in our office. We use the laser treatment to help with acne scars, large pores, fine wrinkles, tissue collagen loss, scars, sebaceous hyperplasia, active acne, and for brightening dark pigmentation. Although there are very strong fractional lasers such as CO2 laser, we use lighter treatments for corrective skincare and maintenance of results. Our Thulium fractional laser, clear and brilliant laser, and Ultra Thulium laser are excellent options in our clinic. We also perform CO2 fractional and erbium depending on skin tone and tolerance for downtime. Patients do have to use a Melarase cream before and after treatment to help further reduce pigmentation after laser.  Melarase AM, Melarase PM, and Melapads can seriously improve surface sun damage and UV related pigmentation. Dark spots can improve with these treatments. I recommend fractional laser for incisional scars as well, especially after plastic surgery.  
Best,
Dr. Karamanoukian 
Realself100 Surgeon

Dana Goldberg, MD · Answer

First, I’d focus on exfoliation and moisturizing as well as being very strict about using sunscreen even for minor exposure to the sun. If this is not enough, you can consider a light chemical peel to the area or prescription hydroquinone cream, which suppresses natural pigment formation.

Camille Cash, MD · Answer

You will likely have the best result from a combination of treatments.  You can consider peels or laser treatments to start.  This can be augmented by using prescription lightening creams.  Daily you can begin now by keeping your skin moisturized, following a healthy diet, and using sunscreen every day.

What can be done to minimize the appearance of pigmented lines and wrinkles on my knuckles and elbow crease? (photos)

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