MRI
Coronal T2
Axial T2
Coronal T1 fat sat
Axial T1 fat sat
Sagittal T2
Sagittal T1
Large retroperitoneal mass lesion is seen at the prevertebral region displacing the aorta and iliac arteries anteriorly. It shows heterogeneous texture with low signal on T1 and high signal on T2 with avid postcontrast enhancement.