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MelanonychiaMelanonychia. Melanonychia is brown or black pigmentation of the nail unit. ...Introduction Background Melanonychia is brown or black pigmentation of ...
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Laugier-Hunziker Syndrome... initially described in 1970 as acquired, benign hyperpigmented macules of the lips and buccal mucosa frequently associated with longitudinal melanonychia.
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Dermatologic Manifestations of Hematologic Disease... Iron deficiency anemia can cause changes in the appearance of the nails, tongue, and hair. In iron deficiency, nails become fragile and develop ...
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Dermatologic Aspects of Addison Disease...results in a characteristic bronze hyperpigmentation. Hyperpigmentation is generally noted in...adrenal insufficiency. The presence of normal-appearing ...