[Case of chondroma of the ethmoid bone removed through the maxillary sinus].
D001859:Bone Neoplasms; D002812:Chondroma / Q000601:surgery*; D005004:Ethmoid Bone; D006801:Humans; D008443:Maxillary Sinus; D009369:Neoplasms; D060726:Torso
CHONDROMA/surgery; ETHMOID BONE/neoplasms