Retroperitoneal paraganglioma

 CT scan axila section of the abdomen in 35 year old female patietn showing well defined mildly enhancing rounded soft tissue mass lesion seen in the retroperitoneal region on the right side causing displacement of the pancreas and other adjacent structures.

 Coronal reformatted image showing the mass lesion.

Axial T2 fat saturated MR image showing mixed intensity lesion.

The USG guided FNAC of the lesion proved to be paraganglioma.