A 37 year old markedly dyspnoeic man with rheumatoid arthritis.

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Presentation transcript:

A 37 year old markedly dyspnoeic man with rheumatoid arthritis. A 37 year old markedly dyspnoeic man with rheumatoid arthritis. (A) Chest radiograph demonstrates reduced vascularity in the right upper zone and bronchial wall thickening in the lower lobes. The suspected diagnosis was obliterative bronchiolitis. (B) HRCT in inspiration demonstrates a mosaic attenuation pattern with normal parenchyma (arrow) and extensive areas of reduced vascularity (arrowheads), highly suggestive of obliterative bronchiolitis. (C) HRCT in expiration confirms the diagnosis by demonstrating air trapping in the areas of reduced vascularity (arrowheads). A G Rockall et al. Postgrad Med J 2001;77:621-638 Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.