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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: The value of chemical shift imaging and T1-Dixon MRI in evaluation of structural changes in sacroiliac joint in ankylosing spondylitis

Fig. 3

Twenty eight years male patient with two years history of AS, low back pain and very high ASDAS = 6. T1WI, IP & OP images (A–C) show subchondral hypointense sclerosis along with marginal medial hyperintensity (dashed arrow) consistent with superadded fat deposition, the extent of deposited fat is well depicted on fluid only and fat only images (D, E) (dashed arrow). Moreover, the fluid only (D) detect more and more erosive/backfill changes than do other images (yellow arrows)

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