Methods:One hundred and forty-six patients with lingual tonsilar hypertrophy were randomized into the treatment group or the control group for outcome comparison.

Method:Fifty cases with benign hyperplasy at tongue root including tonsillar hypertrophy,lymphangioma and papilary epithelioma were treated with coblation under endoscopy and analyzed retrospectively.

Tongue tonsil hypertrophy:172 cases report and pathological analysis;