上颌窦出血坏死性假瘤临床少见,其临床特点与恶性肿瘤相似,易误诊,我院自1989年以来收治3例,术后病理诊断为上颌窦出血坏死性假瘤。现报告如下。1 临床资料3例中,男2例,女1例,29～52岁,平均32岁。临床症状分别为鼻出血,鼻塞,面部肿胀,头痛。鼻腔检查可见暗红色新生物,质脆,触之易出血。3例摄副鼻窦瓦氏位片均示患侧上颌窦密度 Maxillary sinus hemorrhage necrotic pseudotumor clinical rare, its clinical features and malignant tumors are similar, easily misdiagnosed, our hospital since 1989, treated 3 cases, postoperative pathological diagnosis of maxillary sinus hemorrhage necrotic pseudotumor. The report is as follows. 1 clinical data in 3 cases, 2 males and 1 female, 29 to 52 years old, with an average of 32 years old. Clinical symptoms were nosebleed, nasal congestion, facial swelling, headache. Nasal examination revealed dark red new creatures, crisp, easy to touch the bleeding. Three cases of varus sinusitis films showed ipsilateral maxillary sinus density