Cricopharyngeal myotomy

Cricopharyngeal myotomy is a surgical sectioning of the cricopharyngeus muscle, also known as the upper esophageal sphincter, that has been advocated for the treatment of cricopharyngeal spasm, or cricopharyngeal achalasia, that leads to cervical dysphagia in the clinical setting.[1]

References
  1. Cricopharyngeal Myotomy: eMedicine Otolaryngology and Facial Plastic Surgery (medscape.com)
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