title: Cutaneous tuberculosis with nonreactive PPD skin test: a diagnostic challenge.
abstract: The authors report a case of cutaneous tuberculosis in a 63-year-old female patient, who had an infiltrated, erythematous-ferruginous plaque of indurated aspect on her right leg and a nonreactive PPD skin test. Diagnosis was made by tissue culture and PCR of skin biopsy material. The treatment was performed with pyrazinamide, rifampicin, isoniazid and ethambutol, with good response.
authors: Faculdade Ingá (Uningá), Maringá, PR, Brazil.
authors: Priscila Wolf
authors: PW
authors: Nassif
authors: Faculdade Ingá (Uningá), Maringá, PR, Brazil.
authors: Ana Paula Zanatta
authors: AP
authors: Rosa
authors: Faculdade Ingá (Uningá), Maringá, PR, Brazil.
authors: Ana Cristina Medeiros
authors: AC
authors: Gurgel
authors: Universidade Estadual de Maringá, Maringá, PR, Brazil.
authors: Paula Aline Zanetti
authors: PA
authors: Campanerut
authors: Laboratório Diagnose, Curitiba, PR, Brazil.
authors: José
authors: J
authors: Fillus Neto
authors: Laboratório Diagnose, Curitiba, PR, Brazil.
authors: Rosilene Fressatti
authors: RF
authors: Cardoso
mesh_terms: D000995:Antitubercular Agents / Q000627:therapeutic use; D001706:Biopsy; D005260:Female; D006801:Humans; D008875:Middle Aged; D009169:Mycobacterium tuberculosis / Q000235:genetics; D016133:Polymerase Chain Reaction; D012867:Skin / Q000473:pathology*; D012882:Skin Tests / Q000379:methods; D014382:Tuberculosis, Cutaneous / Q000188:drug therapy / Q000473:pathology*
chemical_list: D000995:Antitubercular Agents