Abstract
To identify the incidence of different causes of benign obstruction of the salivary
glands, we retrospectively analysed 788 anonymised sialography reports of 719 patients
referred to the department of dental and maxillofacial radiology between 2006 and
2012. Reports that showed evidence of benign obstruction were included (n = 493). Salivary stones were identified in 151 (31%), ductal strictures in 115 (23%),
and mucus plugs in 295 (60%). In 67 cases (14%) there was evidence of 2 or 3 causes
of obstruction. As previously reported, mucous plugs were the most common finding,
possibly because of the use of fluoroscopy or digital subtraction sialography, or
both. These methods enable images to be captured during the initial filling of the
main duct and are likely to prevent mucus plugs from being obscured by the contrast
medium, which is the case in conventional sialography when a single image is produced
after the contrast has been injected.
Keywords
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Article info
Publication history
Published online: November 10, 2014
Accepted:
September 19,
2014
Identification
Copyright
© 2014 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
