Abstract
Purpose
Chronic obstructive sialadenitis (COS) is a recurring inflammation of the salivary gland. To date, there are no known predisposing factors for COS. Given the advances seen in radiology and sialendoscopy, we must update our knowledge of COS, analyzing factors that can favor its development.
Methods
We prospectively analyzed 333 patients who underwent sialendoscopy between 2012 and 2021. Epidemiologic, radiologic, and sialendoscopy-related factors were correlated. Suspected diagnosis was established based on the clinical and radiologic data. The final diagnosis was determined on the basis of sialendoscopic findings.
Results
The most common etiology of COS was stricture (40.8%). Lack of papilla distensibility (LPD) was also described as an etiology. COS was related to patient gender and age. Submandibular gland involvement was significantly more associated with lithiasis and LPD, while COS of the parotid gland was most frequently caused by stricture. Radioiodine sialadenitis and Sjögren’s syndrome were significantly associated with stricture. MR sialography (MR-Si) showed the best overall sensitivity and specificity.
Conclusion
In our series, stricture was the most common cause of COS. We describe LPD as a frequent cause of COS in this series; ours is the first study to report this finding. There was a significant association between the salivary gland involved, patient sex and age, and the cause of COS. MR-Si showed the greatest diagnostic yield.
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Change history
31 January 2023
A Correction to this paper has been published: https://doi.org/10.1007/s00405-023-07834-z
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Acknowledgements
Some of the results of this study were presented before the 72nd Annual Meeting of the Spanish Society of Otolaryngology and Head and Neck Surgery (October 14-16, 2021) and reported in an undergraduate thesis at the Universidad Autónoma de Madrid
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Sánchez Barrueco, Á., Santillán Coello, J.M., González Galán, F. et al. Epidemiologic, radiologic, and sialendoscopic aspects in chronic obstructive sialadenitis. Eur Arch Otorhinolaryngol 279, 5813–5820 (2022). https://doi.org/10.1007/s00405-022-07473-w
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DOI: https://doi.org/10.1007/s00405-022-07473-w