title: Magnet extraction of frontal sinus foreign body.
abstract: We report a metallic foreign body that entered through the anterior table of the frontal sinus, and rolled down to lodge in the nasofrontal duct. An electromagnet was used to remove the foreign body through a trephination.
mesh_terms: D000328:Adult; D055590:Electromagnetic Phenomena / Q000627:therapeutic use*; D005260:Female; D005547:Foreign Bodies / Q000628:therapy*; D005626:Frontal Sinus; D006801:Humans