Splinter hemorrhages appear as small black or deep-red lines and are caused by injuries to the small blood vessels under the nail beds. They usually heal on their own within a few days. If a person has multiple splinter hemorrhages across several different nails, it could indicate an underlying condition. See more When a person has linear melanonychia, they may see dark stripes running down the nails. They may have color variations that range from black to deep brown and gray. These lines will normally appear on 2 to 5 fingernails, but … See more When a person has subungual melanoma, they will usually notice a stripe on one fingernail only. Often, they cannot link the stripe’s appearance back to an injury. Typically, a black … See more WebMay 1, 2016 · Nail lines are a common presenting finding. A thorough inspection of the fingernails and toenails is an integral part of the complete physical examination. An understanding of basic nail anatomy and …

Evaluation of nail lines: Color and shape hold clues

WebDark Lines on Nails. Dark brown or black stripes down the length of the nail could be benign pigmentation, moles or freckles. For example, splinter hemorrhages are black, length-wise lines that look like splinters but are most commonly due to trauma. So while it is normally nothing, “the pigmentation can be a melanoma of the nail,” says Dr ... WebDec 30, 2024 · A vertical black line on a nail is called a splinter hemorrhage. Black lines on nails can be caused by nail trauma, a poor diet, a fungal infection, or an underlying … knob on the woods

Pictures of Toenail Colors and What They Mean

WebMar 19, 2024 · Dark brown, purple, or red spots under the nails may be signs of serious conditions, such as melanoma or endocarditis. Diagnosis Fingernail ridges that appear suddenly or appear with any... WebApr 11, 2024 · Outlook A narrow black line that has formed vertically underneath your nail is called a splinter hemorrhage. It may be harmless … WebMay 22, 2024 · Dark stripes running down the nails This is common among black people and in most cases it’s normal. However sometimes it may indicate a skin cancer that affects the nail bed, called subungual … red dwarf game