Adenotonsillectomy in obese children with obstructive sleep apnea syndrome: magnetic resonance imaging findings and considerations.

Objective: The reasons why adenotonsillectomy (AT) is less effective treating obese children with obstructive sleep apnea syndrome (OSAS) are not understood. Thus, the aim of the study was to evaluate how anatomical factors contributing to airway obstruction are affected by AT in these children.

Methods: Twenty-seven obese children with OSAS (age 13.