Fig. 11
A 37-year-old female with a classic left renal AML and right nephrectomy performed in childhood. a Longitudinal greyscale ultrasound image shows a hyperechoic lower pole AML (arrow). b Axial post contrast corticomedullary phase CT image shows macroscopic fat within the AML (arrow). c, d Axial T2- and T1-weighted MR images show hyperintense signal of the fat within the AML (arrow). e Axial fat-suppressed T1-weighted MR image shows signal intensity loss of the macroscopic fat within the AML (arrow)