Report of Sialolithiasis of the Parotid Gland

Yasuo YOKOBAYASHI, Yasuhiro HIDESHIMA, Michiyuki MAEDA, and Sayuri KAWAKITA
Department of Dentistry. Oral and Maxillofacial Surgery, Toyama Prefectural Central Hospital (Chief: Yasuo Yokobayashi)

Abstract :
The occurrence of salivary stones in the parotid gland is rare. In this paper, four cases of salivary stones found in the parotid gland are reported and the clinical and radiographic features were discussed. The patients consisted of one male and three females in 24 to 64 years of age. They were associated with parotitis and swelling of the cheek or buccal mucosa, but the symptoms were mild. All stones were found in the duct and relatively small in size, but two stones were present in three patients. Ultrasonography and CT were quite useful in diagnosing the location and number of stones. With the exception of a case in which the stones were discharged spontaneously in association with pus discharge, the stones were surgically removed by an intraoral approach in all cases.

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