LARYNX - Angioneurotic oedema

The epiglottis and the aryepiglottic folds are markedly oedematous; the cords themselves appear normal; there are scattered petechiae in the lining of the trachea.
This young man was found dead on the footpath; he had been last seen alive about an hour before. The oedema shown here was the only finding apart from petechiae on the surface of the heart. Blood alcohol 179 mg (139 mmol/l). A drug screen was negative. There was a vague history of asthma.