Diagnostic and surgical management of submandibular gland sialolithiasis: report of a stone of unusual size.

Sialolithiasis of the salivary glands is a relatively rare occurrence. It is the most common cause of acute and chronic infections. Sialoliths occurs in the submandibular gland in 80% of the cases and its etiology is associated with some anatomical factors proper of it. In many cases the diagnosis is easy due to obvious clinical features but, for treatment, imaging studies are always necessary. The most of the sialoliths are usually of 5 mm in maximum diameter and all the stones over 10 mm should be reported as a sialolith of unusual size. For these reason we considered useful to report our case in the managing of a stone 13 mm placed in the submandibular gland context and its treatment by surgical resection of the entire gland.