Pronunciation:
LAWN-ji-TOOD-in-ul MEL-uh-non-EE-ki-uh • (noun)
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Definition:
Related Terms
• subungual melanoma
Longitudinal melanonychia is the presence of a pigmented stripe, usually brown or black, along the length of the nail bed in darker-skinned individuals. Longitudinal melanonychia results from deposition of melanin in the nail plate from a variety of causes. A small number of people with longitudinal melanonychia have subungual melanoma.
Skin Cancer Links
More information about skin cancers including melanoma.
Nail Diseases
Links to information about various diseases that affect the fingernails and toenails.
Nail Anatomy
Find out more about the structure and function of normal fingernails and toenails.
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Longitudinal Melanonychia
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