title: [18-year-old patient with hyperpigmentation on the toe].
authors.affiliation: Polyclinic of Dermatology and Venerology, University Hospital Lozenetz, Saint Kliment, Ohridski University, Sofia, Bulgaria. georgi_tchernev@yahoo.de
authors.forename: G
authors.initials: G
authors.lastname: Tchernev
authors.forename: P
authors.initials: P
authors.lastname: Nenoff
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D006406:Hematoma / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D017495:Hyperpigmentation / Q000209:etiology* / Q000473:pathology; D008297:Male; D009260:Nail Diseases / Q000175:diagnosis* / Q000473:pathology; D009262:Nails / Q000293:injuries* / Q000473:pathology; D012075:Remission, Spontaneous; D018227:Sarcoma, Clear Cell / Q000175:diagnosis* / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology; D014034:Toes / Q000293:injuries*