Fig. 32From: Mimics in chest disease: interstitial opacitiesRBILD. HRCT at the level of the upper lobes exhibits an “ill-defined centrilobular nodular pattern” characterised by micronodules of ground-glass opacity that are diffusely distributed characteristically in the centre of the pulmonary lobules. In this case the history of smoking favours the diagnosis of respiratory bronchiolitis interstitial lung diseaseBack to article page