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Classification and other evaluations in DDH

Classification and other evaluations in DDH. Graf’s standard coronal section through the deepest part of the acetabulum illustrating key structures (A), the angle (B), and the femoral head coverage (C).

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Classification and other evaluations in DDH

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  1. Classification and other evaluations in DDH

  2. Graf’s standard coronal section through the deepest part of the acetabulum illustrating key structures (A), the angle (B), and the femoral head coverage (C).

  3. Rosendahl’s modification of the Graf classification based on the standard coronal section:A, normal, 60°;B, immature, 50° <60°;C, mild dysplasia 43° <50°;D, significant dysplasia, <43°.

  4. On the basis of the AI, the hips were radiographically classified asnormal (A),having delayed acetabular ossification (B), ordysplastic (C).

  5. Severin,s classification system

  6. 1. Hip stable in neutral position—no osteotom2. Hip stable in flexion and abduction innominateosteotomy3. Hip stable in internal rotation and abduction—proximal femoral derotationalvarusosteotomy4. “Double-diameter” acetabulum with anterolateral deficiency—Pemberton-type osteotomy

  7. A-one-stage-open-reduction-with-salter-s-innominate-osteotomy-and-corrective-femoral-osteotomy-for-the-treatment-of-congenital-dysplasia-of-the-hipA-one-stage-open-reduction-with-salter-s-innominate-osteotomy-and-corrective-femoral-osteotomy-for-the-treatment-of-congenital-dysplasia-of-the-hip

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