Fig. 6
A 39-year-old male with a pathologically proven chromophobe RCC presented with right flank pain. a Longitudinal greyscale ultrasound image shows a right lower pole mass with a central area of increased echogenicity representing a scar (white arrow). b, c Axial post contrast nephrographic phase CT images show a large mass with a spoke wheel enhancement pattern (white arrow) and a central scar containing a focus of calcification (black arrow)