PMC3999578_01
CT scan of the abdomen showing a right retroperitoneal mass. a Axial section and b coronal section.
cro-0007-0233-g01.jpg
PMC3999578_01_cro-0007-0233-g01.jpg
F1
The tumor had ill-defined borders with the surrounding liver, right kidney, inferior vena cava, right renal artery and vein, and left renal vein, which indicated adhesion (fig. 1).
Macroscopic finding of a surgical specimen.
cro-0007-0233-g02.jpg
PMC3999578_01_cro-0007-0233-g02.jpg
F2
There was no continuity of the tumor in the normal adrenal gland, and it was diagnosed as paraganglioma (fig. 2).
Microscopic finding of the tumor. A polygonal basophilic atypical cell proliferated in a rich vascular network (HE stain, original magnification x100).
cro-0007-0233-g03.jpg
PMC3999578_01_cro-0007-0233-g03.jpg
F3
On histological findings, the tumor consisted of a hyperplasia of cells with basophilic cytoplasm and was arranged in an alveolar pattern around fibrous blood vessels (fig. 3).