[Sialography of the normal parotid in relation to neoplasm diagnosis (1)].

We reviewed the normal sialographic image of the parotid gland directed to the sialographic interpretation for the diagnosis of its neoplasms. Through different examples is presented the normal image with accessories lobules and is presented the ductal morphology because these aspects are important signs for the diagnosis of salivary gland neoplasms. Also is stressed the importance of the emptying because is a good indicator for the ubication of the tumor.