Nail pigmentationL60.8
DefinitionThis section has been translated automatically.
Nail discoloration due to various causes (see table 1). S.a.u. Melanonychia striata longitudinalis.
TherapyThis section has been translated automatically.
TablesThis section has been translated automatically.
Selected causes of dark nail pigmentation
Etiology |
Examples |
foreign body |
external therapeutics |
cosmetics | |
working substances | |
| |
microorganisms |
bacteria |
dermatophytes | |
yeasts | |
Molds | |
Medicinal products | |
| |
Melanocytic pigmentation |
lentigo |
melanocytic nevus | |
malignant melanoma | |
| |
Tumors of the nail matrix |
basal cell carcinoma |
M. Bowen | |
Squamous cell carcinoma | |
| |
Subungual tumors |
Verruca vulgaris |
ganglion | |
Glomus tumor | |
| |
Hemoglobinogenic pigment |
Hemorrhages |
| |
Pigmentation in dermatological diseases |
Lichen planus |
X-ray irradiation | |
|
Peutz-Jeghers syndrome Laugier-Hunziker syndrome | |
| |
Pigmentation in internal diseases |
pernicious anemia |
M. Wilson's disease | |
M. Addison's disease | |
Porphyria cutanea tarda | |
| |
Pigmentation due to systemically applied medication |
Tetracyclines |
Cytostatics | |
LiteratureThis section has been translated automatically.
- Kreusch J et al (1992) Reflected light microscopic evaluation of pigmented nail changes. Dt Dermatol 7: 1006-1015
- Robinson JK et al (2004) Digital epiluminescence microscopy monitoring of high-risk patients. Arch Dermatol 140: 49-56