Protrusio acetabuli: diagnosis and treatment.

  title={Protrusio acetabuli: diagnosis and treatment.},
  author={Michael Thomas McBride and Michael P Muldoon and Richard F. Santore and Robert T. Trousdale and Dennis R. Wenger},
  journal={The Journal of the American Academy of Orthopaedic Surgeons},
  volume={9 2},
Idiopathic protrusio acetabuli is an uncommon disease process with both primary idiopathic and secondary forms. It is important to consider all etiologic possibilities before evaluating treatment options. Diagnosis is made on the basis of an anteroposterior radiograph of the pelvis that demonstrates a center-edge angle greater than 40 degrees and medialization of the medial wall of the acetabulum past the ilioischial line. For the skeletally immature patient, triradiate fusion (occasionally… CONTINUE READING