上颌窦出血性坏死性息肉是以出血为特征的特殊类型的慢性炎症。其常为单侧发病 ,且伴有骨质破坏 ,易与上颌窦恶性肿瘤相混淆 ,故临床上首诊即明确诊断较为困难。现将我院 1 995年 6月～2 0 0 0年 5月收治并经手术和病理证实、临床资料完整的 33例 ,报告如下。1　资料与方法1 .1 Maxillary sinus hemorrhagic necrotizing polyp is a specific type of chronic inflammation characterized by bleeding. Often unilateral disease, and associated with bone destruction, easily confused with maxillary sinus malignancy, it is clinically diagnosed that the diagnosis is more difficult. Now our hospital from June 1995 to May 2000 admitted and confirmed by surgery and pathology, the clinical data of 33 cases complete, the report is as follows. 1 Materials and Methods 1 .1