Diffuse interstitial pneumonitis due to aspiration of gastric contents

Summary Two cases of interstitial pneumonitis are described which developed after the acute phase of aspiration pneumonitis. Open lung biopsy revealed an interstitial. granulomatous foreign body response induced by foodstuff aspiration. Steroid treatment was administered and both cases then showed a favourable course, with the pulmonary lesion healing within 12 days.