sonogram

Here, we emphasize the preference for sonogram over mammogram.

在此我们强调在诊断此种疾病时，超音波优于乳房摄影。

Dolichocephaly (i.e., a long, thin head) is present on this sonogram, and can only be revealed by determining the cephalic index.

在图中所见的(特别、扁)，只能用指数来定量诊断。