case_images: PMC6435870_01
case_images: (A) T2-weighted sagittal image of the cervical spinal cord. From C2 to C7, a hyperintensity is shown. (B) T2-weighted axial image of cervical spinal cord. An "inverted V-sign" is shown.
case_images: 10.1177_1179573519838277-fig2.jpg
case_images: PMC6435870_01_10.1177_1179573519838277-fig2.jpg
case_images: fig2-1179573519838277
case_images: T2-weighted pictures (Figure 2A and B). These anomalies, combined with the frequent use of laughing gas, indicated a vitamin B12 deficiency-induced myelopathy.