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