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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 can also be associated with genetic disorders, injury, medications, nutritional deficiency, endocrine disease, connective tissue disease, inflammatory skin disease, a local tumour, or nail infection. What causes melanonychia? The nail plate is a hard, translucent structure made of keratin. It is not normally pigmented.

Just as pigmented lesions on the skin can vary widely from freckles to lentigines to nevi to melanoma, similar pigmented lesions can be seen in nails. Melanonychia, brown or black pigmentation in the nail plate, can frequently present a diagnostic challenge for the dermatologist. While most causes of melanonychia are benign, it is important 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 ...

Melanonychia can affect one or multiple fingernails or toenails. It can present as a brown or black discoloration that may start at the nail matrix or appear as a band across the nail. Total melanonychia affects the whole nail. There are several possible causes of melanonychia. It occurs due to an increase in melanin production or pigmentation.

Melanonychia is a common cause of nail discoloration accounting for nearly half of the cases of chromonychia. Longitudinal melanonychia is the commonest morphological pattern. The data on prevalence of melanonychia comes from the studies on melanonychia striata and varies with the region and population of study. In a ...

Longitudinal melanonychia: This presents as a black or brown line running vertically along the nail bed in the direction of nail growth. Total melanonychia: This involves black or brown discoloration across the entire nail bed and may occur in individuals with dark skin pigmentation.

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 can alter nail texture when the underlying condition affects the nail matrix’s ability to produce smooth, uniform cells. This can result from trauma, infection, or neoplastic processes, impacting both appearance and function. Nail Fragility. Nail fragility is reported in about 25% of melanonychia cases. This symptom involves the ...

What is Melanonychia? Melanonychia is a medical condition in which the nail plate has a pigmentation band that is either black or brown in color. There are two main types of melanonychia, meaning longitudinal (this being often times a sign of subungual melanoma) and transverse. This medical condition appears within other medical conditions that are

Melanonychia is a term used to describe brown or black discoloration found within the nail. It is most commonly seen in those with darker skin, although it can be found in lighter skinned individuals as well. ... Warning signs of melanoma in the nail include melanonychia developing after the age of 60, affecting only one nail (particularly of ...

This form of melanonychia is the most common and most harmless, according to a scientific review of the condition. It can be the result of something as simple as a mole or freckle developing within the plate of the nail and producing a strange dark brown or black band down the middle of the nail. Melanoma-related melanonychia

Melanonychia typically manifests as a single brown-black pigmented streak. It may affect a single nail, or be observed in multiple nails. Longitudinal melanonychia extends from the nail fold (cuticle) to the free edge of the nail. Complete melanonychia involves the entire nail plate and is due to pigment in the proximal nail matrix.

Most studies of nail unit melanoma show that even when a clinician biopsies melanonychia due to a clinical concern for melanoma, about 70% of these lesions are benign and therefore it is important that we use good surgical technique to obtain these specimens and give patients the best chance of healing with a highly functional nail afterward.

Keywords: melanonychia, dermoscopy, nail pigmentation, melanoma, nail diseases. Introduction and background. Melanonychias represent brown to black discolorations of the nail plate. Longitudinal melanonychia is the most common form of presentation, whereas transversal and total melanonychia are rarely encountered.

A single black line in the nail bed differs significantly from multiple black lines in toenails, both in potential causes and required treatment approaches. 1. Melanonychia: The Role of Melanin in Nail Discoloration. Melanonychia appears as brown or black stripes running vertically from the base to the tip of the nail.

We're going to dive into the arena of melanonychia – it clearly is the flowery term for a black line on your nail. We'll damage down the not unusual reasons, the no longer-so-commonplace reasons, and, most importantly, at the same time as it's time to appearance a scientific clinical health practitioner.

Today we will go over 19 of the most common nail problems of the toes. 1. Onychomycosis (Nail fungus) • Onychomycosis is the medical term for nail fungus, a common fungal infection of the nails of. top of page. Request an Appointment ... Melanonychia is the name given to a nail that is brown or black in color. This color of the nail is caused ...

Longitudinal melanonychia causes brown or black stripes on nails. Learn when it’s harmless and when it could signal melanoma.