[Mucoepidermoid carcinoma and mucoepidermoid cyst of the jaw bones in the same patient. A clinical case and discussion of their histogenesis].

The association between a so-called mucoepidermoid cyst and a central mucoepidermoid carcinoma in a 29-year-old man is reported. Since the two lesions are in continuity and the morphologic appearances are very much alike, a close relationship between these entities is suggested.