4Headache Classification Subcommittee of the International Headache Society.The international classification of headache disorders 2nd Edition[J].Cephalalgia,2004,24(4):9-160.
5Sun HY.Endoscopic sinus surgery for rhinogenic headachep[J].Journal of clinical otorhinolaryngology,2000,14(8):335-336.
6Parsons DS,Batra PS.Functional endoscopic sinus outcomes for contact point headaches[J].Laryngoscope,1998,108(5):696-702.
7Behin F,Behin B,Behin D,et al.Surgical management of contact point headaches[J].Headache,2005.45(3):204-210.
8Yoon JH,Na DG,Byun HS,et al.Calcification in maxillary sinusitis:comparison of CT findings with histopathologic results.AJNR AM J Neuroradiol,2007,2(2):571-574.