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Insights into Imaging
Fig. 3 | Insights into Imaging

Fig. 3

From: Computed tomography versus fluoroscopic guided-sacroiliac joint injection: a prospective comparative study

Fig. 3

A 50-year-old lady with sacroiliitis referred for SIJ injection. a A non-enhanced CT (bone window) lower cut on SIJ shows the synovial part of the joint (long arrow) where the needle (short arrow) is inserted. b A contrast-enhanced CT (bone window) upper cut reveals contrast (long arrow) within the anterior synovial part of the joint. No contrast in the posterior fibrous part of the joint

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