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2 Possible Causes for Monkey-Wrench Appearance of the Femoral Neck

  • Boomerang Dysplasia

    A monkey wrench appearance of the proximal femora due to broadening of the femoral neck and prominence of the lesser trochanter is distinctive in Desbuquois dysplasia.[jstage.jst.go.jp]

  • Desbuquois Syndrome

    Note Short femoral necks with flat acetabular roofs and “monkey wrenchappearance of proximal femurs. The first four patients have been followed in the A.[ncbi.nlm.nih.gov]

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