Departmental Bulletin Paper A Case of Spontaneous Passage of Salivary Calculus from the Parotid Gland Duct into the Oral Cavity

FUSEYA Marie :筆頭著者  ,  SATO Hitoshi:責任著者  ,  NAGASAKI Masahiro  ,  MIYAZAKI Hiroaki  ,  KAMATANI Takaaki  ,  SHIROTA Tatsuo

29 ( 4 )  , pp.445 - 450 , 2017-12 , Showa University Society
Sialolithiasis most commonly affects the submandibular glands, followed by the parotid and sublingual glands. Sialolithiasis is a condition characterized by the obstruction of a salivary gland or its excretory duct due to calculi. Herein we describe a case of a 72-year-old male patient with a painful swelling of the parotid gland region. Parotitis due to sialolithiasis in the parotid gland duct was diagnosed based on computed tomography findings of a calculus (12×6×5mm) in the parotid gland duct. The calculus was spontaneously discharged from the parotid gland duct with viscous pus into the oral cavity after the inflammation had decreased. Thereafter, the parotitis quickly decreased more markedly. This case indicates that a calculus may be discharged spontaneously into the mouth, even if its diameter is>5mm.

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