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Updated: Apr 27, 2026

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
Published on: November 9, 2016
Bilateral gustatory sweating in the submandibular region after bilateral neck dissection successfully treated with
Pierre Philouze1, Delphine Vertu2, Philippe Ceruse3
1Hospices civils de Lyon, Service ORL, Chirurgie cervico faciale, Hôpital de la Croix Rousse, 103 grande rue de la Croix Rousse, 69317 Lyon cedex 4, France.
Abstract:
Gustatory sweating (or chorda tympani syndrome) in the submandibular region is a rare complication of cervical surgery. We report a 66-year-old patient who had been referred for the management of a squamous cell carcinoma of the mobile tongue. She was treated by bilateral neck dissection and bilateral resection of the submandibular glands. Bilateral gustatory sweating in the submandibular region developed 10 years later and was successfully treated with bilateral injections of botulinum toxin type A.
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