By Gary M. White, MD
Erythronychia from an onychopapilloma. Photograph courtesy of Julie Minocha, MD
Longitudinal erythronychia (LE) is a red streak that runs the length of the nail.
- It may involve one (localized) or multiple (polydactylous) nails.
- Localized LE most commonly represents onychopapilloma, yet malignancies may present identically.
- Polydactylous longitudinal erythronychia (PLE) is usually associated with a regional or systemic cause.
A pink to red streak runs longitudinally along a nail.
Onychopapilloma. JAAD January 2011 Volume 64, Issue 1, Pages 167.e1–167.e11
Amelanotic Melanoma FJAAD January 2011 Volume 64, Issue 1, Pages 167.e1–167.e11
Multiple linear red bands on the fingernails: Idiopathic polydactylous longitudinal erythronychia Dermatology Online Journal 18(2)
Darier Disease. JAAD January 2011 Volume 64, Issue 1, Pages 167.e1–167.e11
GvHD. JAAD January 2011 Volume 64, Issue 1, Pages 167.e1–167.e11
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