【名词&注释】
基本特征(basic characteristics)、物理性质(physical properties)、多普勒频移(doppler shift)、侧向分辨力(lateral resolution)、成人型多囊肾(adult polycystic kidney)、纵向分辨力(longitudinal resolution)、横向分辨力(lateral resolution)、孤立性肾囊肿(solitary renal cyst)、可观察到、婴儿型多囊肾(infantile polycystic kidney)
[单选题]肾囊肿的正确分类方法是
A. 肾囊肿分为孤立性肾囊肿(solitary renal cyst)和多囊肾两类
B. 肾囊肿分为外生性肾囊肿、肾盂周围囊肿和多囊肾三类
C. 肾囊肿分为孤立性肾囊肿(solitary renal cyst)、多发性肾囊肿和多囊肾三类
D. 肾囊肿分为外生性肾囊肿、钙乳症性肾囊肿和多囊肾三类
E. 肾囊肿分为外生性肾囊肿、肾盂周围囊肿、婴儿型多囊肾(infantile polycystic kidney)和成人型多囊肾四类