Longitudinal pigmentation of the nails in Addison's disease.
D000224:Addison Disease / Q000150:complications*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008545:Melanoma / Q000175:diagnosis; D008875:Middle Aged; D009262:Nails; D010859:Pigmentation Disorders / Q000209:etiology*