Nail conditions are not only aesthetic concerns, and nail changes may be a clue to an
underlying systemic diseases or infection. Without timely treatment, nail diseases can …

Nail melanoma (NM) is an important differential diagnosis in patients with longitudinal
melanonychia. However, diagnosis is often challenging as it is difficult to differentiate from …

Nail unit melanoma (NUM) is an uncommon form of melanoma and is often diagnosed at
later stages. Approximately two-thirds of NUMs are present clinically as longitudinal …

Blue nail discoloration is a distinctive clinical presentation, and diagnosis is challenging
given the broad differential diagnosis. A comprehensive review of the literature describing …

Nail unit melanoma (NUM) accounts for an estimated 0.7% to 3.5% of cutaneous
melanomas in Whites, 1 and up to 20% of melanomas in darkskinned and Asian …

To the Editor: TikTok is the fastest growing social media platform with 3 billion downloads as
of July 2021. A TikTok video posted on 3/15/22 of a nail unit melanoma (NUM) patient went …

The term melanonychia describes the presence of melanin in the nail plate, which appears
in most cases as a longitudinal brown-black band of nail pigmentation, also known as …

Subungual melanoma (SUM) is subset of acral melanoma that develops within the nail unit
and is associated with a poor prognosis. Nail biopsy is the only way to definitively diagnosis …

Longitudinal melanonychia, or melanonychia striata, represents a pigmented band that runs
longitudinally through the nail plate. Although melanonychia striata is less common in …

Background Longitudinal melanonychia (LM) is a common dermatologic finding in clinical
practice with a broad differential diagnosis. Melanocytic activation is the most common LM …