脾脏属网状内皮系统器官，尽管磁共振、核医学和超声成像对其检查都具有一定的优越性［１］，但螺旋ＣＴ仍是脾脏检查的一种最重要的方法。因其具有高峰对比强化和连续数据采集的优点，从而使脾脏病理学的改变得以充分显示，对微小实质性病变和血管异常的检查更具有独到之处［ Spleen is a reticuloendothelial system organ, although magnetic resonance imaging, nuclear medicine and ultrasound imaging of its examination has some advantages [1], but spiral CT is still the most important method of spleen examination. Because of its advantages of peak-contrast enhancement and continuous data collection, the changes of spleen pathology can be fully demonstrated, and the examination of minute substantive lesions and vascular abnormalities is even more unique [