XXIV - Interstitial lung disease - Pulmonary infiltrates - Pulmonary fibrosis
Transient pulmonary opacities/infiltrates (see also under Iav)
Last update 17/06/2026
(Fr: opacités pulmonaires fugaces dont le caractère labile les fait attribuer à un OAP ou a une PnI a minima avec ou sans vascularite). Short-lived opacities are thought to represent transiently increased pulmonary permeability or short-lived/reversible interstitial pneumonitis or vasculitis. May relapse with rechallenge or reexposure, sometimes in a more severe form or with an ARDS picture.