Longitudinal pigmented nail bands.
In this article, we have discussed the possible causes of a longitudinal pigmented nail band. A thorough history, physical examination, and, when indicated, biopsy of the origin of the band should reassure the patient with a benign lesion and direct further treatment of a patient with a malignant or potentially malignant lesion.
Department of Dermatology, Columbia University-Presbyterian Medical Center, New York, New York.
A S
AS
Pappert
R K
RK
Scher
J L
JL
Cohen
D006801:Humans; D008544:Melanocytes / Q000473:pathology; D009260:Nail Diseases / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D009262:Nails / Q000473:pathology; D010859:Pigmentation Disorders / Q000175:diagnosis / Q000209:etiology / Q000473:pathology*; D012878:Skin Neoplasms / Q000175:diagnosis / Q000209:etiology / Q000473:pathology