Massive pneumomediastinum with subcutaneous emphysema after elective adenotonsillectomy in children: Involvement of the Boyle-Davis mouth gag.

Adenotonsillectomy, a very common surgical procedure in otorhinolaryngology, is considered easy and safe surgery. However, clinicians should be aware of some less common but potentially life-threatening complications. This report discusses subcutaneous emphysema with pneumomediastinum following elective adenotonsillar surgery in children.