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STIR Sequence for Depiction of Degenerative Changes in Posterior Stabilizing Elements in Patients with Lower Back Pain

Hatice Lakadamyali1, Nefise Cagla Tarhan2, Tarkan Ergun1, Banu Cakir2 and Ahmet Muhtesem Agildere2

1 Department of Radiology, Baskent University, Alanya Research Center, Antalya, Turkey.
2 Radiology Department, Baskent University School of Medicine, Fevzi Cakmak cad. 10. Sok, No 45 Bahcelievler 06490, Ankara, Turkey.


Figure 1
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  		Fig. 1 —Graph shows percentages of posterior paraspinal degenerative changes according to sex in case group. White bars indicate men (141 of 372 subjects); gray bars, women (231 of 372 subjects). ISL = interspinous ligament.

 

Figure 2
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  		Fig. 2 —Graph shows percentages of posterior paraspinal degenerative changes according to age in case group. Group 1, 15–30 years; group 2, 31–40 years; group 3, 41–50 years; group 4, 51–60 years; group 5, 61–70 years; group 6, 71 years and older. ISL = interspinous ligament.

 

Figure 3
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  		Fig. 3 —21-year-old man with lower back pain. Sagittal STIR MR image shows high-signal-intensity facet joint effusion (long arrows) at L3–L4, L4–L5, and L5–S1 and small neocyst formation (short arrow) next to L5–S1 facet joint.

 

Figure 4
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  		Fig. 4 —59-year-old man with lower back pain. Sagittal STIR MR image shows facet joint effusion (arrowhead) at L4–L5 with neocyst formation (long arrow) next to it. Another neocyst (short arrow) is present at higher level.

 

Figure 5
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  		Fig. 5 —40-year-old man with lower back pain due to multiple pathologic conditions. Sagittal STIR MR image shows disk degeneration of lowest three lumbar levels. Facet joint effusion (long arrows) is present at multiple levels. Paraspinal muscle edema (short arrows) is present at L4–S1.

 

Figure 6
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  		Fig. 6 —43-year-old man with lower back pain. Sagittal STIR MR image shows interspinous ligament degeneration and rupture at L2–L3, L3–L4, and L4–L5 levels manifesting as increased signal intensity (arrows) between spinous processes. Disk degeneration is present at L4–L5 and L5–S1 levels.

 

Figure 7
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  		Fig. 7 —50-year-old woman with lower back pain. Sagittal STIR MR image shows interspinous ligament edema (short arrows) at L2–L3, L3–L4, L4–L5, and L5–S1 levels. Subcutaneous edema (long arrow) also is present.

 

Figure 8
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  		Fig. 8 —Graph shows percentages of posterior paraspinal degenerative changes according to sex in control group. White bars indicate men (126 of 249 subjects); gray bars, women (123 of 249 subjects). ISL = interspinous ligament.

 

Figure 9
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  		Fig. 9 —Graph shows percentages of posterior paraspinal degenerative changes according to age in control group. Group 1, 15–30 years; group 2, 31–40 years; group 3, 41–50 years; group 4, 51–60 years; group 5, 61–70 years; group 6, 71 years and older. ISL = interspinous ligament.

 

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