[The His duct as a cause of peritonsillar abscess before and after tonsillectomy].

The role of the duct of His in the aetiology and development of peritonsillar abscess before and after tonsillectomy is evaluated. This duct, lying between the palatine tonsil and the superior pharyngeal constrictor muscle, is the only remnant of the second pharyngeal pouch. If not properly identified and marsupialized, it can be responsible for recurrent peritonsillar abscess.