Fig. 12
From: Solid malignant retroperitoneal masses—a pictorial review
Imaging of neurofibroma. a CT scan in a 64-year-old woman showed an incidental well defined hypodense mass with speck of calcification (arrow) in the left retroperitoneum. b, c A 45-year-old woman with lower abdomen/thigh pain. Axial T2 MRI (b) showing a heterogeneous, high signal lobulated mass at L3/L4 level (arrow). The right L3 nerve root was not separately identified. CT scan (bone window settings) at the same level (c) shows the mass (arrow) exiting from the widened neural foramina without causing bony destruction (small arrow)