Fig. 16
From: Solid malignant retroperitoneal masses—a pictorial review
Imaging of ganglioneuroma. An 18-year-old woman with incidentally detected mass on ultrasound at age of 12. Subsequent biopsy showed ganglioneuroma on histology. a Contrast-enhanced CT scan shows a well-defined lobulated hypodense mass (arrow) in right retroperitoneum without invading any of the adjacent structures. b Axial T2-weighted MRI image shows hyperintense signal from the myxoid stroma (arrow). c Axial T1-weighted image post gadolinium shows mild gradual enhancement (arrow)