Chest
Selected ReportsPulmonary Interstitial Fibrosis as a Presenting Manifestation in Perinuclear Antineutrophilic Cytoplasmic Antibody Microscopic Polyangiitis
Section snippets
Case Reports
The cases reported were encountered by the Respiratory Service at St. Boniface General Hospital over an approximate 3-year period. St. Boniface General Hospital is one of the university-affiliated hospitals that provides tertiary care for renal patients in the Province of Manitoba.
Discussion
The classification of pulmonary vasculitides into specific categories is often difficult because of the lack of precise criteria. Because of this difficulty, consensus guidelines have been developed in order to gather data and to develop treatment strategies. At the Chapel Hill Consensus Conference, MPA was defined as necrotizing vasculitis of small vessels (ie, capillaries, venules, or arterioles), with few or no immune deposits, while a necrotizing arteritis that involves medium-sized
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