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Insights into Imaging
Fig. 8 | Insights into Imaging

Fig. 8

From: ABCs of the degenerative spine

Fig. 8

Annulus fibrous fissures: (a–b) Circumferential fissures. A drawing and an axial T2-WI scan at L4–L5 (arrow) showing a rupture of the transverse fibres without disruption of the longitudinal fibres representing circumferential fissures. (c–d) Radial fissures. A drawing and a sagittal CT discogram at L5–S1 showing (arrow) radial fissures extending from the periphery of the annulus to the nucleus, with disruption of the longitudinal fibres. (e-f) Peripheral rim fissures. A drawing and a sagittal T2-WI scan at L5–S1 demonstrating disruptions of Sharpey’s fibres at the annular periphery

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