We talk with Dr. David Cognetti about sialendoscopy including the importance of patient selection as well as tips and tricks for success.

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SHOW NOTES

In this episode, Dr. David Cognetti joins Dr. Gopi Shah and Dr. Ashley Agan to discuss the workup for salivary gland obstruction and inflammation, the emerging use of sialendoscopy, and different approaches to sialolithotomy.

First, the doctors highlight key aspects of physical examination: observing swelling around the glands, bimanually palpating for stones, and massaging the glands to observe the quantity and quality of saliva produced. For imaging, Dr. Cognetti typically orders CT for suspected stones and MRI for suspected inflammatory disorders. He describes the process of sialography, noting that the outcome may be technician-dependent. The doctors also discuss inflammatory cases where laboratory tests may be appropriate and can reveal autoimmune disorders.

Then, Dr. Cognetti describes his preferred sialendoscopy tools and how he uses them to cannulate and dilate the parotid and submandibular ducts during surgery. He emphasizes the fragile nature of the scopes and the need to protect them from damage. For sialolithotomy, he describes various methods of lithotripsy and ways to prevent thermal damage. He also discusses how he deals with duct perforation and how he decides whether or not to use stents.

The doctors bring up management of patient expectations throughout the episode, as outcomes may vary depending on the individual’s history of stone recurrence.

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RESOURCES

“Sonopalpation: A Novel Application of Ultrasound for Detection of Submandibular Calculi” - https://journals.sagepub.com/doi/10.1177/0194599814545736?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed

“Limited Distal Sialodochotomy to Facilitate Sialendoscopy of the Submandibular Duct” - https://onlinelibrary.wiley.com/doi/full/10.1002/lary.23801

4th Annual Jefferson Sialendoscopy Course- https://cme.jefferson.edu/content/sialendoscopy2021#group-tabs-node-course-default1