腮腺基底细胞腺瘤的CT诊断

Diagnosis of Parotid Basal cell adenoma with CT

目的探讨基底细胞腺瘤的CT表现特点及其临床应用价值。方法回顾分析经手术及病理证实的10例腮腺基底细胞腺瘤的CT表现，所有患者均进行了腮腺CT平扫及增强扫描。结果边界清楚、大小不等、增强扫描显著强化的软组织块影是腮腺基底细胞腺瘤的特征性CT表现，增强扫描较平扫CT值增加最高约200Hu，平均增加84Hu。结论腮腺基底细胞腺瘤CT表现具有一定特征性，结合临床特点能够在术前作出定性诊断。

Objective To evaluate the CT findings of the parotid basal cell adenoma and it＇s diagnostic value. Methods The CT appearances of 10 patients with parofid basal cell adenoma confirmed by histopathology were reviewed retrospectively. The plain and the contrast-enhanced CT scan were performed in all cases. Results The well-defined mass in varied size with marked enhancement in contrast-enhanced CT imagines, in which the CT value increased to 200Hu maximally （ average,84Hu）, were the pathognomonic CT characteristics of the parotid basal cell adenoma. Conclusion The qualitative diagnosis of the parotid basal cell adenoma could be made based on the CT findings combined with some valuable clinical information before operation.