The hypertrophy of the lingual tonsil is a rare occurrence in adults.
This disorder may cause obstructive sleep apnea (OSA) and also may lea
d to a life-threatening obstruction of the upper airway. Diagnosis of
Lingual tonsil hypertrophy in patients with OSA requires a careful exa
mination by advanced technologic methods. The sleep apnea is successfu
lly treated by lingual tonsillectomy, with or without tracheotomy. In
this study the case of an adult with OSA caused by lingual tonsil hype
rtrophy which was treated with lingual tonsillectomy is presented, and
the diagnosis and the treatment procedure of such cases are discussed
.