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A 73-year-old female asked:

What causes the lunula to change its shape?

1 doctor answer1 doctor weighed in
Dr. Phillip Burrer
Family Medicine 26 years experience
Different diagnosis: The Lunula is the little moon shaped area of white at the base of the finger and toe nails. Fungal nails can thicken and change the architecture of the nails. Chronic liver disease can whiten the whole nail. Pigmented lesions (moles or even melanoma - a form of skin cancer) can cause dark streaks down the nail. Of course trauma to the nail bed or the cuticle can cause thick ridged nails.

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Last updated May 7, 2015

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