Having a dark line on your fingernails or toenails is called melanonychia. The lines are brown or black and usually look like a stripe that begins at the bottom of your nail bed and continues to ...
Melanonychia is the term for dark pigmentation of the nails. The discoloration in the nails may be black or brown. Melanonychia can be a natural occurrence in people with dark skin, but it can ...
While a black line on a patient’s nail is a common presentation, melanonychia may have a harmless cause or it may be a sign of a more serious health condition. ... and by its usual grey/brown color, uniformity and lack of individual pigmented bands on dermoscopy within the broader melanonychia. ... to diagnose the cause of melanonychia ...
Black or brown discoloration of the nail, ranging from light brown to deep black; A vertical or horizontal band of color, or complete darkening of the nail plate; ... Many things can cause black lines on nails, including infections, injury, health conditions, and medications. If a health condition causes the black line on your nail, you may ...
Melanonychia refers to brown or black discoloration of the nail plate. It may occur in either the fingernails or toenails. It can be benign or malignant. There are different types of melanonychia. The most common type Trusted Source PubMed Central Highly respected database from the National Institutes of Health Go to source is longitudinal ...
It’s black or reddish brown in color. ... What deficiency causes black lines on nails? Dark lines in your nails can be caused by not enough protein, vitamin B12, B9 (folate) or vitamin D. ...
Nearly all Afro-Caribbean people will develop black-brown pigmentation of the nails by the age of 50. Melanonychia affects up to 20% of Japanese people. ... Trauma, infection, and inflammatory disease can result in fissuring and splitting of the nails and unsightly or painful nail dystrophy.
It usually involves several fingernails and/or toenails. It may clear up after pregnancy or it may not. Infections: Melanonychia can be associated with different types of fungal, bacterial, and viral infections. What Are the Types of Melanonychia? Melanocytes are pigment cells that can release a brown-colored pigment called melanin.
Melanonychia is brown, gray, or black discoloration of the nail plate that can be caused by many conditions, ranging from benign to malignant. 1 Careful evaluation is needed to rule out melanoma and other malignant causes of nail discoloration. Treatment varies based on the underlying cause. 1 This article describes the etiology, symptoms, and treatment of melanonychia and how to distinguish ...
Melanonychia occurs when brown or black discoloration appears on the nail plate due to an increase in melanin, the pigment responsible for skin and hair color. It can affect one or multiple nails and may present as a single band or multiple streaks. The condition may remain stable or change over time, which could indicate underlying health issues.
Melanonychia refers to the Greek word “Melas” meaning black (or brown colour) and “Onyx” meaning nail. It is characterized by brown-black discoloration of the nail plate and the pigment referred to is conventionally melanin. It may involve single or multiple nails, both in finger and toenails. Epidemiology
A brown line on the nail is called longitudinal melanonychia or longitudinal striata.It is the most common type of melanonychia, a medical word for a black or brownish pigmentation of the nail plate (the hard part of toenails or fingernails).
“If your nail is brown or black, the most important thing to worry about is a nail melanoma,” (a.k.a. the most serious form of skin cancer), says Shari Lipner, M.D., Ph.D., a dermatologist and ...
B: Brown/black band is wider than three millimeters. C: Change has been noted in the look of the pigment band. D: Digit involved. The thumb is the most common, then the great toe and last the index finger. E: Extension of the discoloration into the cuticle or nail fold (called Hutchinson sign). F: Family history of melanoma.
Nearly all Afro-Caribbean people will develop black-brown pigmentation of the nails by the age of 50. Melanonychia affects up to 20% of Japanese people. White-skinned people are less commonly affected. Melanonychia can also be associated with genetic disorders, injury, medications, nutritional deficiency, endocrine disease, connective tissue ...
A brown discoloration of the fingernails may be seen with a number of endocrine diseases. These are conditions where there is a disturbance in the quantity and/or functioning of certain hormones or the glands that produce it. The nail discoloration may be seen with Addison disease, Cushing syndrome, hyperthyroidism (overactive thyroid) and ...
Melanonychia, the appearance of brown or black lines on the nails, may seem concerning, but it is often harmless. Understanding the types, potential causes, and when to seek medical advice can help individuals manage their nail health effectively. If you have any doubts or notice any unusual changes in your nails, consult a healthcare ...
This infection often starts at the tip of the nail and spreads inward, causing discoloration that may appear yellowish-brown or even black. ... Melanonychia refers to a condition where there's an increase in melanin production in the nail matrix, leading to brown or black streaks on one or more nails. This condition can arise from various factors:
