Erratum to: Acta Neurol Belg DOI 10.1007/s13760-017-0782-y

Unfortunately, Figs. 1 and 2 were deleted in the original publication. Figures 1 and 2 are given below.

Fig. 1
figure 1

A midsagittal T2-weighted MR-image shows focal medullary atrophy over the lower cervical segment from C4 to C7 with accompanying intramedullary T2 hyperintense signal

Fig. 2
figure 2

a Midsagittal T2 and b STIR MR-images in flexion. These images show severe spinal narrowing due to compression by an anterior displaced posterior dural lining with a secondary broadened posterior epidural space

The original version is also updated.