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Pulsed dye laser lithotripsy of submandibular gland salivary calculus

Published online by Cambridge University Press:  29 June 2007

Hirotaka Ito  and
Shunkichi Baba
Hirotaka Ito*
Affiliation:
Department of Otorhinolaryngology, Nagoya City University, Medical School, Nagoya, Japan.
Shunkichi Baba*
Affiliation:
Department of Otorhinolaryngology, Nagoya City University, Medical School, Nagoya, Japan.
*
Address for correspondence: Department of Otorhinolaryngology, Nagoya City University, Medical School, No. 1 Kawasumi, Mizuhocho, Mizuhoku, Nagoya, Japan 467 Fax: 52-851-5300
Address for correspondence: Department of Otorhinolaryngology, Nagoya City University, Medical School, No. 1 Kawasumi, Mizuhocho, Mizuhoku, Nagoya, Japan 467 Fax: 52-851-5300
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Abstract

An in vivo study was performed to evaluate the use of pulsed-dye laser beam for the fragmentation of salivary calculus. In accordance with the absorption and reflection spectra of sections of salivary stones, optimal fragmentation was achieved with a pulsed-dye laser with a pulse width of 1.4 μm and tuned to a wavelength of 504 nm. Further studies on particle size were conducted, and a new “sialoendoscope” technique was developed. Fifteen patients with sialolithiasis of the submandibular gland were treated. Under continuous endoscopic monitoring laser-induced shock wave lithotripsy was performed. In six patients complete fragmentation and removal of the salivary stones was achieved and in another patient 50 per cent fragmentation was sufficient to restore salivary flow. Laser lithotripsy of salivary stones with endoscopic monitoring permits treatment on an outpatient basis with little inconvenience to the patient, and this is a breakthrough in otolaryngology.

Keywords

Salivary gland calculiLaser, pulsed-dyeSubmandibular salivary gland
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 110 , Issue 10 , October 1996 , pp. 942 - 946
Copyright
Copyright © JLO (1984) Limited 1996

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