Figure legends
Figure 1. Sonographic longitudinal view of the coccygeal area,
showing the subcutaneous edema and fluid collection (orange arrow) in
the peri-coccygeal area.
Figure 2. The end of sunken conus medullaris (orange arrow)
extending to the S2 vertebra’s inferior border with the thickened filum
terminale in the sagittal T2 weighted magnetic resonance imaging (MRI).
Figure 3. An approximately 8 × 7 cm2-sized
fatty contiguous mass with neural placode at the sacrococcygeal area and
the interspersed fluid around the coccygeal mass as seen on horizontal
(A) and sagittal (B) sections on T1-weighted magnetic resonance imaging
(MRI).