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. 2023 Nov 2;107(1):83. doi: 10.5334/jbsr.3118

Figure 1.

Vacuum phenomenon as intradiscal gas, represented by linear dark signal centrally in the disc, in the lower (L5-S1) of the two visualized discs (L4-L5 and L5-S1), most conspicuous on a sagittal reconstruction of a CT lumbar spine in bone window; least conspicuous and almost indiscernible on a sagittal T2-weighted image, almost equally conspicuous on a GE-weighted image compared to the CT image, rather discrete, as a fine dark line on a coronal T1-weighted image, and discrete, as a blurry linear dark signal, on the lateral scout image from the CT exam

VP as intradiscal gas in the lower (L5-S1) of the two visualized discs (L4-L5 and L5-S1) on a sagittal reconstruction of a CT lumbar spine in bone window (a), a sagittal T2- (b) and GE-weighted image (c), a coronal T1-weighted image (d), and the lateral scout image from the CT exam (e).