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Title: [Extrinsic allergic alveolitis in CT and HR-CT]. Author: Lederer A, Kullnig P, Pongratz M. Journal: Rofo; 1992 Sep; 157(3):257-61. PubMed ID: 1391821. Abstract: The CT changes on conventional and high-resolution CT in 14 patients with exogenous allergic alveolitis (EAA) were analysed retrospectively. There were 8 patients with clinically subacute disease, 5 patients in a chronic stage and 1 patient with acute EAA. The appearances and their distribution were examined. Seven of the 8 patients in the subacute stage showed a ground glass pattern and multiple nodules of less than 2 mm. All patients in the chronic stage showed a combination of fine infiltrates, small nodules and irregular linear densities; distortion of the pulmonary pattern was present in 3 cases. The patient with acute EAA showed diffuse dense areas of consolidation in both lungs as well as multiple nodules and a ground glass pattern. The CT appearances of EAA correspond with the basic micropathology and, within the clinical context, permit diagnostic classification.[Abstract] [Full Text] [Related] [New Search]