Abstract

Stones of the salivary glands may cause recurrent swelling, ascending inflammation, and colic-like pain. Previously, in order to get rid of these stones, the gland usually had to be removed surgically in spite of the associated risks to adjacent structures, especially the facial nerve. We treated 104 salivary gland stones in patients 14 to 78 years old using the Storz Modulith SL 10 lithotripter. Each session (average 3.6 per patient) consisted of 1000 impulses at 2 Hz and 16 to 18 kV. No anesthesia was required. Earplugs were applied to patients being treated for parotid gland stones. With the aid of SWL and drug-induced salivation, 17 (59%) of the patients with parotid gland stones and 42 (56%) of those with submandibular gland stones obtained either total stone clearance or sufficient fragmentation to permit spontaneous passage. Four patients required surgery. The remaining patients are still being treated. The noninvasive SWL for salivary gland stones is noninvasive and painless and has a considerable success rate. It can be performed on an outpatient basis.

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