The early symptoms included:the swelling of check,ache,snuffle,nasal abnormal mucus and the loose or even loss of the teeth maxillary,which often were incorrectly diagnosed as paranasal sinusitis,pulpitis,periodontitis trigeminal nerve algesia et al.

• 首发症状以面部肿胀、疼痛、鼻腔异常分泌物、鼻塞、上牙松动脱落为常见 ,常被误诊为鼻窦炎、牙髓牙周炎、三叉神经痛等。