需避免的陷阱：腰大肌肥大酷似腹膜后纤维化。

J Can Assoc Radiol. 1981 Mar;32(1):56-7.

Mild obstructive uropathy and medial deviation of the ureters were observed in an athletic young black male, raising the possibility of retroperitoneal fibrosis. These findings were shown by computed tomography and ultrasonography to be due to psoas muscle hypertrophy.

在一名体格健壮的年轻黑人男性中观察到轻度梗阻性尿路病和输尿管向内侧移位，这增加了腹膜后纤维化的可能性。计算机断层扫描和超声检查显示，这些发现是由腰大肌肥大所致。