CT scans demonstrated the lesion was round in 13 cases, irregular in 6, low density focus like a large cyst in 5, diffuse miliary in 1 and cauliflower-like mass at hilum of spleen in 4.

• 其中单发或多发圆形、类圆形低密度灶13例，不规则形6例，大囊样低密度区5例，弥漫粟粒样病灶1例，脾门菜花样肿块4例；