“ Unlike the other idiopathic interstitial pneumonias (IlPs), symptom onset is acute and rapidly progressive to requiring ventilation in 3 w...
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Unlike the other idiopathic interstitial pneumonias (IlPs), symptom onset is acute and rapidly progressive to requiring ventilation in 3 weeks. Steroids are effective early on, but mortality remains 50%.
Plain film
• Diffuse patchy airspace disease (similar to ARDS), but sparing the costophrenic angles.
HRCT
• Ground-glass opacities and dependent consolidation (from oedema and haemorrhage).
• For survivors of the acute disease, there may be non-dependent honeycombing and traction bronchiectasis (consolidation is thought to be protective against this).
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