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目的探讨CT对上颌窦肿的诊断价值。方法报告CT显示上颌窦骨壁破坏而拟似恶性肿瘤的上颌窦肿块4例。结果3例行上颌窦根治术，术后病理分别是上颌窦息肉、囊肿及修复性巨细胞肉芽肿。1例行上颌骨部分切除术，病理为上颌血管瘤。结论上颌窦肿块的定性诊断必须依靠病理检查，而CT仅作参考。
Objective To investigate the value of CT in the diagnosis of maxillary sinus swelling. Method Report CT showed maxillary sinus wall destruction of the maxillary sinus resection of the tumor in 4 cases. Results The maxillary sinus was performed in 3 cases. The pathological changes were maxillary sinus polyps, cyst and repaired giant cell granuloma. A routine maxillary partial resection, the pathology of maxillary hemangiomas. Conclusion The qualitative diagnosis of maxillary sinus mass must rely on pathological examination, while CT is only for reference.