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目的：探讨单发干酷性上颌窦炎的ＣＴ征象及其病理基础，以期与上颌窦癌鉴别。方法：搜集６例经手术、病理证实的单发干酪性上颌窦炎ＣＴ及临床资料，并进行回顾性分析。结果：主要ＣＴ表现：①单侧上颌窦实变且无强化。②粘膜肥厚并强化。③骨壁不规整增厚，骨壁破坏（５例６处）。手术所见：①窦腔内充满大量干酪坏死物，无血供。②粘膜肥厚糜烂。③骨质增生硬化，部分骨质破坏。结论：ＣＴ检查对干酪性上颌窦炎的正确诊断很有帮助
Objective: To investigate the CT signs and pathological features of single maxillary sinusitis with maxillary sinus cancer. Methods: CT and clinical data of 6 cases of single cheese maxillary sinusitis confirmed by operation and pathology were collected and analyzed retrospectively. Results: The main CT findings were: unilateral maxillary sinus consolidation without enhancement. ② mucosal hypertrophy and enhanced. ③ irregular thickening of the bone wall, bone destruction (5 cases 6). Surgical findings: ① sinus cavity filled with a large number of cheese necrosis, no blood supply. ② mucosal hypertrophic erosion. ③ bone sclerosis, some bone destruction. Conclusion: CT examination is helpful in the correct diagnosis of caseous maxillary sinusitis