A complication of tonsillitis in which the infection spreads behind the tonsils.
A peritonsillar abscess occurs when a collection of pus forms and infection spreads beyond the tonsils into the neck and chest. Swollen tissues can block the airway.
Fibrous dysplasia is a chronic problem in which scar-like tissue grows in place of normal bone. It often results in one or more, of the following: Bone deformity. Brittle bones.