Sialendoscopy: A 4-year single center experience

Purpose

Sialendoscopy is a relatively new technique designed to diagnose and treat benign obstructive salivary gland disease using a minimally invasive approach. The purpose of this study is to present our experiences regarding the use of sialendoscopy in the form of a 4-year, single center experience and to demonstrate its usefulness in oral and maxillofacial practice.

Methods

We collected data on patients who underwent sialendoscopy at the Oral-Maxillofacial Surgery Department of UZ Leuven between November 2015 and August 2019, including age, gender, sex, initial clinical presentation and symptoms, gland involvement, type of diagnostic investigations, diagnosis, localization of the obstruction, therapeutic intervention, surgeon, type of anesthesia, materials used, complications, secondary treatment, duration of follow-up, and outcome. Statistical analyses were performed, chi-squared was used to compare the different variables with p<0.05 being considered significant.

Results

During the 4-year timeframe, a total of 44 patients (31 female, 13 male) underwent sialendoscopy in a total of 47 procedures. The average age at time of sialendoscopy was 47.4 years. The most frequent cause of obstruction was sialolithiasis (70%). Cone-beam computed tomography (CBCT) was the most accurate pre-operative investigation for the diagnosis of lithiasis (57%). Symptom improvement occurred in 57.9% of patients, with a complication rate of 11%. None of the complications were permanent.

Conclusion

Sialendoscopy can be considered safe and effective for both the diagnosis and treatment of benign obstructive salivary gland disease, with a useful place in oral and maxillofacial surgical practice. We recommend the inclusion of CBCT and/or ultrasound in the diagnostic workup prior to endoscopy.

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