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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Technical variation of trans-articular sacroiliac joint (SIJ) fusion using three screws considering the effects of sacral dysplasia in patients with non-traumatic SIJ pain

Fig. 4

Non-dysplastic sacrum (a) pelvic outlet image; (b) lateral image of sacropelvic complex, including the articular surface of the SIJ (green) and the iliac cortical density (ICD, black arrowhead); (c) axial CT image of the sacropelvic complex; and dysplastic sacrum (d) pelvic outlet image; (e) lateral image; (f) axial CT image. The differences between the non-dysplastic and dysplastic sacra are described in Table 7

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