A Rare Case of Pneumomediastinum after Eustachian Tube Dilation

Eustachian tube dilation (ETD) is a relatively new intervention for the treatment of eustachian dysfunction. Though it previously had no assigned billing code, American Medical Association recently accepted Category I Current Procedural Terminology code application ETD to be effective in January 2021. Reported complications are uncommon and usually minor. Herein, we present rare case massive pneumomediastinum following this procedure. Such major critical report as becomes more commonly practiced