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Insights into Imaging
Fig. 10 | Insights into Imaging

Fig. 10

From: Imaging the spine in arthritis—a pictorial review

Fig. 10

Relatively early changes in ankylosing spondylitis (AS). (a) AP radiograph of the sacroiliac joints in a 28-year-old man presenting with typical definite bilateral AS sacroiliitis (grade 3) in the form of bilateral joint erosion accompanied by subchondral sclerosis. (b) Initial spinal changes consisting of erosion of vertebral corners (Romanus lesion) with vertebral squaring corresponding to Th11, Th12, L4 and L5 accompanied by condensation of the vertebral corners—shiny corners (arrows)

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