Asbestosis and probable microscopic polyangiitis
George S Rashed Philteos1, Kelly Coverett, Rajni Chibbar
1Department of Medicine, Royal University Hospital, University of Saskatchewan, Saskatoon.
Abstract:
Several inorganic dust lung diseases (pneumoconioses) are associated with autoimmune diseases. Although autoimmune serological abnormalities are common in asbestosis, clinical autoimmune/collagen vascular diseases are not commonly reported. A case of pulmonary asbestosis complicated by perinuclear-antineutrophil cytoplasmic antibody (myeloperoxidase) positive probable microscopic polyangiitis (glomerulonephritis, pericarditis, alveolitis, multineuritis multiplex) is described and the possible immunological mechanisms whereby asbestosis fibres might be relevant in induction of antineutrophil cytoplasmic antibodies are reviewed in the present report.
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