ArticleSurgical case reports2026
Fulminant Food Aspiration-Induced Pneumonia Leading to Tension Pyopneumothorax after Proctectomy: An Autopsy Case.
Article in Surgical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionPostoperative aspiration pneumonia is an uncommon but severe pulmonary complication, particularly in older adults with cognitive impairment. We report an autopsy case of fulminant aspiration pneumonia, caused by food aspiration following colorectal cancer surgery, that progressed to tension pyopneumothorax. CASE PRESENTATION: A male aged ≥75 years with dementia underwent laparoscopic high anterior resection for rectal cancer and resumed oral intake after passing a water-swallowing test. Shortly thereafter, he developed rapidly progressive pneumonia, hypoxemia, and septic shock, ultimately progressing to bilateral tension pneumothorax and death. Autopsy revealed multiple pulmonary abscesses, extensive lobular pneumonia, and subpleural fistulae in all lobes of both lungs. Grocott staining identified vegetable matter consistent with aspirated food, and colonies of
conclusionsIn older adults with dementia, massive food aspiration can lead to fatal pneumonia with progression to pyopneumothorax, even in the absence of prior aspiration history. Vigilance is essential when resuming oral intake in such patients after surgery.
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