• Korean Journal of Veterinary Research
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• v.46 no.1
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• pp.57-61
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• 2006

A 3-month-old, 2.8 kg, female Cocker spaniel was presented with chronic history of dysphagia since weaning. Video fluoroscopic examination revealed swallowing problems in the upper esophageal sphincters. It was diagnosed as cricopharyngeal achalasia. Cricopharyngeal and thyropharyngeal myectomy was performed. One day after surgical management, normal swallowing movement was observed in the video fluoroscopic examination of the dog. There was no evidence of recurrence for 15 months.

• Journal of Veterinary Clinics
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• v.34 no.4
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• pp.291-294
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• 2017

An 8-month-old Chow-Chow dog presented with dysphagia and regurgitation, and was diagnosed with cricopharyngeal dysphagia (CPD). Cricopharyngeal myotomy did not improve the clinical signs. Three months after the initial surgery, a subtotal myectomy of cricopharyngeal muscle with partial thyropharngeal myotomy was performed. The clinical improvement was maintained for more than one year after the second surgery. Subtotal myectomy of cricopharyngeal muscle can be considered for dogs with CPD that do not respond to myotomy.