FPDCT scans, 3-dimensional reconstruction, and necropsy photo of UPII-SV40T transgenic mouse. (A) Coronal, sagittal, and axial CT sections of a bladder with exophytic tumor. (B) Overlay of coronal, sagittal, and axial CT slices; overlaid CT slices with green pseudo-colored tumor; 3D rendering of high contrast areas – skeleton and contrast-filled bladder – with green pseudo-colored exophytic tumor. Insets: Magnified bladder sections of CT overlay, overlay with pseudo-colored tumor, and 3D rendering of high contrast areas with pseudo-colored tumor, respectively. (C) A large exophytic bladder tumor (urothelial opacity) fed with an extensive network of blood vessels is visualized by backlighting the bladder. (D) 3D pseudo-colored bladder tumor only.