case_images: PMC9170391_01
case_images: CT scan images revealing multiple gas bubbles at L5/S1 level as shown in axial (a) and sagittal (b) cuts.
case_images: CRIOR2022-8338131.001.jpg
case_images: PMC9170391_01_CRIOR2022-8338131.001.jpg
case_images: fig1
case_images: Axial CT revealed multiple intracannular posterolateral gas bubbles at L5-S1 level (Figure 1).
case_images: T2 sequences in sagittal (a) and axial orientation (b) illustrate a caudally shifted hypointense mass in the right lateral recessus L5/S1 with contact to the nerve root S1 suspicious of a sequestered disc herniation.
case_images: CRIOR2022-8338131.002.jpg
case_images: PMC9170391_01_CRIOR2022-8338131.002.jpg
case_images: fig2
case_images: According to MRI results, a well-encapsulated low signal intensity lesion was related to gas formation or calcification (Figure 2).
case_images: CT reveals a single large epidural gas bubble mimicking disc herniation on MRI as shown in axial (a) and sagittal (b) cuts. A coexisting vacuum disc phenomenon indicates the presumed origin of the gas bubble.
case_images: CRIOR2022-8338131.003.jpg
case_images: PMC9170391_01_CRIOR2022-8338131.003.jpg
case_images: fig3
case_images: An additional CT was performed, revealing a large intraspinal epidural bubble compressing the right S1 nerve root (Figure 3).