Mucocele

 

 

This is an example of a traumatized minor salivary gland duct with a cystic space lined by histiocytes and filled with extravasated mucin material. The best term to use is “mucous extravasation phenomena”. There is no ductal epithelium surrounding the extravasation. The clinical diagnosis would be “mucocele” with an adjacent focus of minor salivary gland.

 

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