| The cheeks sometimes become swollen, and the submaxillary connective tissue oedematous. |
| The process is self limiting in most cases and pathologically correlates with oedematous interstitial pancreatitis. |
| Direct laryngoscopy revealed an extensive oedematous supraglottis with severe necrosis involving the laryngeal inlet, base of the tongue and right tonsillar bed. |
| Meanwhile, the submaxillary glands become swollen and the surrounding connective tissue becomes oedematous. |
| Histologically, the lamina propria is oedematous, containing a mixed inflammatory infiltrate in which eosinophils are prominent. |
