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. 在图中所见的长头(头特别长、扁),只能用头指数来定量诊断。
an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs