Melanonychia, Nail, Normal Variant - DermAtlas

Contributor

Julie Jefferson, MD

Diagnosis

melanonychia nail, normal variant

Body Site

nail, hand nail, hand

Age

35 years

Pigmentation

dark

Organization

Color

brown

Morphology

macular / flat (macule / patch)

Pattern

asymmetric

Comments

A 35-year-old man had light brown longitudinal bands on multiple finger and toe nails. The differential diagnosis of melanonychia includes subungual melanoma, nevus, lentigo, drug side effect, vitamin B12 deficiency, and Laugier-Huntziger syndrome. Also benign pigmented bands, as seen in this patient, are common in darkly pigmented people.

Description

light brown gray longitudinal bands on multiple nails

Image Added

9/13/2011 8:37:34

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Other Resources

PubMed Medline Plus Medscape

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