Common Causes of Black Lines on Nails. Splinter hemorrhage (nail trauma) Fungal infection. Melanonychia. Melanoma. Black Lines on Nails From a Splinter Hemorrhage Melanoma. Black Lines on Nails From a Splinter Hemorrhage. "A narrow black line underneath your nail could be a splinter hemorrhage," Lee tells POPSUGAR.
Is the Black Line on Your Nail Normal or Melanoma? How To tell
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 Bottom line. Your fingernails could have ridges for many reasons, ranging from stress to kidney and thyroid disease. Ridges in fingernails are usually harmless. Your fingernails can reveal
What is Longitudinal Ridging? - News-Medical.net
A black line on your nail could be normal or it could be a sign of melanoma. Dermatologists share how to identify skin cancer on the nail These include: Longitudinal melanonychia (running vertically on the nail bed, in the direction of nail growth): Caused by lentigines (liver spots), moles, and melanoma. Total melanonychia (covers retire nail bed): May occur in people with dark skin pigmentation or be caused by medications or infection Did you know that your fingernails can provide important information about your health? Read on to learn about how changes in the way your fingernails look could Overview. Beau’s lines are sideways (horizontal) dents in your fingernails or toenails. What are Beau’s lines? Beau’s lines are grooves or dents that run across your fingernails or toenails horizontally. They can affect all your nails or just a few, such as on your thumbs and big toes. Advertisement Melanonychia refers to the discoloration of the nail plate on a finger or toe. The discoloration is normally brown or black, and it can occur in one or more digits. The nail plate is usually Subungual melanoma, or nail melanoma, is skin cancer under your nail. It usually appears as a dark, vertical (top to bottom) streak on your nail. Subungual melanoma is rare but serious. This type of skin cancer — called acral lentiginous melanoma — is an aggressive form of melanoma When red or black lines in the fingernails are vertical in shape, it could be a sign of melanoma or heart disease, so getting it checked out by the doctor is highly recommended. What Are These Black and Red Lines in My Fingernails? Not every black or red line running vertically down your fingernail or toenail is a cause for worry