Melanonychia: What It Is, Causes, and More - Healthline
网页2023年10月3日 — A dark vertical line on the nail can indicate nail melanoma. It can also occur with other benign causes and requires diagnosis by a healthcare professional.
What's Causing That Black Line on Your Nail - Healthline
网页2024年2月5日 — A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious...
Black line on the nail: Causes, treatments, and pictures
网页2024年4月24日 — A look at a black line on the nail, a common change that can happen due to a range of causes. Included is detail on the diagnosis and when to see a doctor.
What Is Melanonychia? What Causes It and How It's Treated
网页2023年7月23日 — Melanonychia is a brown or black color in your nail. It can affect your fingernails or toenails. It can be in one nail, a few nails, or all of your nails. Melanonychia can have many different...
Melanonychia - DermNet
网页Melanonychia is brown or black discolouration of a nail. It may be diffuse or take the form of a longitudinal band. Benign longitudinal melanonychia. See more images of melanonychia. Who is at risk of melanonychia? Melanonychia can present in individuals of all ages, including children, and affects both sexes equally.
Brown Line on Nails: Vitamin Deficiencies and Other Causes
网页2023年9月1日 — Brown lines or dark stripes on the length of your fingernails or toenails (longitudinal melanonychia) have many causes—from vitamin deficiencies to cancer. Learn more.
Black Line on Nail: Causes, Treatment, and More - Verywell Health
网页2023年8月1日 — A black line on the nail could have multiple causes, from injury to melanonychia. Here’s everything you need to know to take care of vertical black lines.
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