The Management of Sacral Schwannoma: Report of Four Cases and Review of Literature
Figure 2
MR examination of pelvis demonstrates bony destruction at
sacrum and neural foramen from S1–S4 levels with soft tissue mass
formation. This mass appears as low
signal intensity on sagittal T1-weighted MR image (Figure 2(a)),
heterogeneous
increased signal intensity on sagittal and axial T2-weighted MR image (Figures
2(b)
and 2(c)). Tumor extended and displaced
uterus and urinary bladder anteriorly, but not invaded, evidenced by fat plane
(arrows).