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CT and MRI Diagnosis of Parotid Diseases

Objective To analysis the CT and MRI appearances of parotid diseases,and improve the cognition parotid diseases.Methods The clinical and CT/MRI findings of in 85 cases with parotid diseases were analyzed retrospectively.Results Among 85 cases,there were 63(63/85,74.1%)benign tumors,12(12/85,14.1%)malignant tumors,10(10/85,11.8%)parotitis and other tumor-like lesions.On CT and MRI,most benign tumors(38/63,60.9%)were located in the shallow lobe,round or oval in shape,well-defined,homogeneous or heterogeneous soft tissue mass;and most of malignant tumor(9/12,75.0%)were located in the deep lobe or deep-shallow lobe,irregular in shape,ill-defined,heterogeneous soft tissue mass,infiltration of adjacent structure and lymph node metastasis.Conclusion CT and MRI both can well demonstrate the size、number and location of parotid diseases,and they is still helpful for the diagnosis,differentiation and therapeutic decision.
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