[One case report of nasal sinus ossification].

A 8-years-old male patient with a bulge of left eye ball for one mongth was hospitalized. The inspection of the patient showed the movement on the left side of the lateral nasal wall and a narrow nasal cavity. Orbital CT showed that the left orbital ethmoid sinus, maxillary sinus cyst, left orbital, sphenoid sinus, nasal cavity were damaged. A resection with the combination of approaches including the left maxillary sinus, the ethmoid sinus, and the sphenoid sinus osteofibroma was performed. 5 days after the operation, the nasal packing material was removed and 7 days after the operation the stiches were removed. The recovery of the patient was satisfied after the operation and no recurrence was observed during one and half years follow up.