The expression of the images of sound had three types: the cystic type (three cases, three grains), the pseudosolid type (ten cases, thirteen grains), the mixed type (sixty-three cases, seventy-one grains), the most common one was the mixed type.

• 声像图表现为三种类型 :囊性型 ( 3例 3枚 ) ,假实性 ( 10例 13枚 ) ,混合性 ( 6 3例 71枚 ) ,以混合性多见。