Necrotizing sialometaplasia

Necrotizing sialometaplasia (also spelled necrotising sialometaplasia) is a benign ulcerative lesion found mostly on the posterior hard palate. It is due to a necrosis of minor salivary glands due to trauma (often palatal infiltrations of local anaesthetic or trauma during intubation).

Often painless, condition is self limiting and should resolve in 6–10 weeks.

Differential diagnosis

Differentiation between this and SCC would be based on a history of recent trauma or dental treatment in the area.

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