title: Case 1. Diffuse melanonychia.
authors.affiliation: King's College Hospital, Department of Dermatology, London, UK. jonathanmlwhite@hotmail.com
authors.forename: J M L
authors.initials: JM
authors.lastname: White
authors.forename: E M
authors.initials: EM
authors.lastname: Higgins
mesh_terms: D000328:Adult; D044383:Black People; D003520:Cyclophosphamide / Q000009:adverse effects*; D003937:Diagnosis, Differential; D003875:Drug Eruptions / Q000209:etiology*; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000139:chemically induced*; D007166:Immunosuppressive Agents / Q000009:adverse effects*; D008180:Lupus Erythematosus, Systemic / Q000188:drug therapy; D009260:Nail Diseases / Q000139:chemically induced*
chemical_list: D007166:Immunosuppressive Agents; D003520:Cyclophosphamide