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はじめに
唾石症は,これまで腺内および移行部唾石は皮膚切開にょり,導管内の唾石は口内切開により治療されるのが一般的であった。
近年,体外衝撃波結石破砕術(extracorporeal shock wave lithotripsy:ESWL)による腎結石・胆石の治療が普及する中,1989年Iroら1)が唾石への応用を報告して以来本邦でもいくつかの報告があるが,治療成績は必ずしも良くなかった2〜4)。
今回われわれは,唾石14例に対しESWLによる治療を施行し,治療成績,適応について検討したので報告する。
Extracorporeal shock wave lithotripsy (ESWL) was performed in 14 patients with sialolithiasis, 13 stones in the submandibular gland and one in the parotid gland. In 5 patients, fragmented calculi were excreted completely. In 3 patients fragmented cal-culi were excreted partially but symptoms were disappeared. Two patients required surgerical removal of the submandibular glands. The excre-tion of stones was affected by the secretory function of the salivary gland estimated by ultrasonography and scintiphotography.
ESWL for salivary gland stones is noninvasive and can be performed on outpatient basis, and has a considerably high success rate.
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