Bronchoalveolar lavage (BAL) is a commonly used procedure in the evaluation of lung
disease as it allows for sampling of the lower respiratory tract. In many circumstances, BAL …

Diffuse alveolar hemorrhage (DAH) is a lifethreatening condition caused by a diverse group
of disorders. DAH is a medical emergency that often results in acute respiratory failure that …

Diffuse alveolar hemorrhage (DAH) is a rare yet serious and frequently life-threatening
complication of a variety of conditions. DAH may result from coagulation disorders, inhaled …

Clinical and serological profiles of idiopathic and drug-induced autoimmune diseases can
be very similar. We compared data from idiopathic and antithyroid drug (ATD)-induced …

The small vessel vasculitides of the lungs1–3 (table 1) are inflammatory destructive
processes that aVect the arterioles, venules, and alveolar capillaries located within the …

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) refers to a group of
potentially life-threatening autoimmune diseases. A recent development in this field is the …

Acute lung injury (ALI) and ARDS (ALI/ARDS) are defined as follows:(1) an illness having an
acute onset,(2) an arterial oxygen tension/inspired oxygen fraction 200 mm Hg (or 300 mm …

Antineutrophil cytoplasmic antibodies (ANCAs) are autoantibodies specific for antigens
located in the cytoplasmic granules of neutrophils and lysosomes of monocytes. ANCAs are …

Diffuse alveolar hemorrhage (DAH) in primary and secondary vasculitis occurs when
capillaritis is present. The diagnosis of DAH is considered in patients who develop …

Vasculitis, inflammation, and necrosis of blood vessels can involve any size or type of vessel
in the pulmonary vasculature, including the capillaries, so-called capillaritis. Although …