title: Erythema induratum of Bazin.
abstract: An 81-year-old woman with a history of renal cell carcinoma and years of slowly, progressively enlarging pulmonary nodules of uncertain etiology presented with several weeks of painful lower extremity nodules. A biopsy revealed changes consistent with nodular vasculitis. A purified protein derivative and QuantiFERON test were positive, favoring the diagnosis of erythema induratum of Bazin. Treatment with a standard four-drug antituberculous regimen resulted in radiographic and clinical improvement. This case emphasizes the importance of dermatologic manifestations in the detection of systemic disease.
authors.affiliation: University of California Davis, Sacramento, California, USA.
authors.forename: Victoria
authors.initials: V
authors.lastname: Sharon
authors.forename: Heidi
authors.initials: H
authors.lastname: Goodarzi
authors.forename: Cindy J
authors.initials: CJ
authors.lastname: Chambers
authors.forename: Maxwell A
authors.initials: MA
authors.lastname: Fung
authors.forename: April W
authors.initials: AW
authors.lastname: Armstrong
mesh_terms: D000369:Aged, 80 and over; D000995:Antitubercular Agents / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D004891:Erythema Induratum / Q000175:diagnosis / Q000188:drug therapy*; D005260:Female; D006801:Humans; D014657:Vasculitis / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D000995:Antitubercular Agents