PMC8720474_01
CT scan (image a and b) reveals stenosis of the canal at the level of the first cervical vertebra, with no fissures along the entire extension of the posterior arch of CMRI (image c) reveals compression in the cervical segment of the spinal cord.
SNI-12-623-g001.jpg
PMC8720474_01_SNI-12-623-g001.jpg
F1
Comparative images of the C1 posterior arch hypoplasia (d and e) and after its surgical laminectomy (f and g).
SNI-12-623-g002.jpg
PMC8720474_01_SNI-12-623-g002.jpg
F2
The patient underwent a minimally invasive C1 midline laminectomy (i.e., resection of the C1 posterior arch) without a fusion (i.e., facet joints and soft tissues preserved) [Figure 2].