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Figure 2 | Journal of Orthopaedic Surgery and Research

Figure 2

From: Evaluation of accuracy of plain radiography in determining the Risser stage and identification of common sources of errors

Figure 2

Gas shadow. (A) Plain radiography performed on a 13-year-old girl, a gas shadow on the posterior iliac crest prevented interpretation of bilateral excursion of the apophysis, and the patient was graded as Original Risser stage 2 and French Risser stage 1. (B) A 3D-CT image of the same patient, excursion of the iliac apophysis was clearly visible along the entire iliac bone, and was graded as Original Risser stage 4 and French Risser stage 3. Gas and internal organ shadows interfered with accurate staging.

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X