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目的:探讨上颌窦炎性肌纤维母细胞瘤的CT表现、病理特征。方法:对4例上颌窦炎性肌纤维母细胞瘤的临床资料、CT表现、病理形态学进行观察,并对病例进行随访。结果:3例误诊为上颌窦癌,1例误诊为上颌窦霉菌感染。结论:上颌窦炎性肌纤维母细胞瘤是一种少见的具有恶性潜能的中间性肿瘤,应与上颌窦癌、上颌窦炎、霉菌感染、纤维瘤等疾病鉴别。
Objective: To investigate the CT findings and pathological features of maxillary sinusitis myofibroblastoma. Methods: The clinical data, CT findings and pathomorphology of 4 cases of maxillary sinusitis myofibroblastoma were observed and the cases were followed up. Results: Three cases were misdiagnosed as maxillary sinus cancer and one case was misdiagnosed as maxillary sinus mold infection. Conclusion: Maxillary sinusitis myofibroblastoma is a rare malignant intermediate tumor with maxillary sinusitis, maxillary sinusitis, fungal infection, fibroids and other diseases.