All tumors in CT plain scan were tubercular, lobular, tubular or mass low-density lesions, and pleboliths or calcifications were seen in 12 cases.

• 平扫肿瘤呈结节状、分叶状、管状或团块状低密度病变,静脉石或钙化12例,增强扫描后血管成分显著强化,可呈扭曲血管状,而非血管成分不强化或轻度强化。