结论CT扫描对腮腺病变定位敏感性为100%，对各类腮腺病变的定性诊断有重要价值，增强扫描可提高其定性诊断率。

Conclusion ct has very high sensitivity (100%) and important role in detecting parotid diseases and contrast-enhanced ct can improve the accuracy of differential diagnosis.

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增强CT通常表现为双侧腮腺扩大，不均匀强化的囊实性肿块和点状钙化。

Contrast enhanced ct typically demonstrates bilateral parotid enlargement, heterogeneous enhancement of solid and mixed cystic lesions and punctate calcifications.

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增强CT通常表现为双侧腮腺扩大，不均匀强化的囊实性肿块和点状钙化。

Contrast enhanced ct typically demonstrates bilateral parotid enlargement, heterogeneous enhancement of solid and mixed cystic lesions and punctate calcifications.

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