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  • Title: Wegener's granulomatosis--a diagnostic challenge.
    Author: Holc I, Pahor A, Krajnc I.
    Journal: Wien Klin Wochenschr; 2000 Aug 25; 112(15-16):680-3. PubMed ID: 11020956.
    Abstract:
    Wegener's granulomatosis is a systemic vasculitis characterized by necrotizing granulomatous lesions in the upper and lower respiratory tracts, glomerulonephritis and vasculitis involving other organs. Limited forms have been described in which some features of the disease may be absent. Four patients with this disease are being reported with special emphasis on differences in presentation, the ensuing diagnostic problems, and individual outcome. In three, the disease began as a limited form with upper respiratory tract and eye involvement, while in one patient, onset was systemic including affection of the lower respiratory tract. The mean delay from first symptoms to diagnosis was 20 months--much longer for the three limited forms than for the one with systemic onset, in whom the condition was recognized after 2 months following initial misdiagnosis of respiratory and urinary tract infections. One patient developed endocarditis and required aortic valve replacement. Immunofluorescence revealed antineutrophil cytoplasmic antibodies in all, three showing a cytoplasmic pattern and antibodies to proteinase 3, and the fourth a perinuclear pattern and antibodies to myeloperoxidase. Upper respiratory tract biopsies were not specific. Kidney biopsies were performed in all the patients and were crucial for definitive diagnosis and treatment of the disease, which was successful in three patients.
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