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  • Title: Fine needle aspiration cytology of pulmonary Wegener's granulomatosis with biopsy correlation. A report of three cases.
    Author: Kaneishi NK, Howell LP, Russell LA, Vogt PJ, Lie JT.
    Journal: Acta Cytol; 1995; 39(6):1094-100. PubMed ID: 7483982.
    Abstract:
    BACKGROUND: Pulmonary Wegener's granulomatosis frequently presents clinically as ill-defined nodules on chest radiographs or computed tomographic scans. With refinement of fine needle aspiration (FNA) cytology as a diagnostic tool, pathologists are sometimes asked to render this diagnosis on cytologic material rather than on the more invasive open lung biopsy. Experience is currently limited to a few case reports in the cytopathology literature. We add to this by reporting the findings from five FNA biopsies performed on three patients, with open lung biopsy correlation. CASES: The cytologic findings included a background of necrotic debris, acute and chronic inflammatory cells, multinucleate giant cells and, in one case (case 2), numerous clusters of atypical epithelioid cells mimicking carcinoma. Correlation of the respective open lung biopsy specimens with the FNA material was instructive in revealing the nature of the findings on cytologic preparations. Two cases showed classic histopathologic findings. Case 3 showed a less common presentation, pulmonary hemorrhage, which was reflected in the FNA specimen. CONCLUSION: FNA biopsy cytology is a useful alternative to open lung biopsy in the diagnosis of pulmonary Wegener's granulomatosis but requires careful correlation with the clinical and laboratory findings.
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