Melanoma in Fingernail

Last Modified: August 13, 2012

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Melanoma can occur under a fingernail: Fact or Myth?


Christopher Miller, MD, Dermatologist & Moh's Surgeon at Penn Medicine and Rachel Woods, RN, Nurse for the Surgical Dermatology Program at Penn Medicine resond:

It is a fact that melanoma can occur under the fingernail. The cells that make the nail plate (the hard part of the nail) include some melanocytes, the type of cell that makes pigment. If these cells start to replicate rapidly, then can increase the amount of pigment they produce and cause discoloration of the nail. Other skin cancers, such as squamous cell cancer, can also arise under the nail.

melanoma can occur under the fingernail

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