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. Author manuscript; available in PMC: 2016 Mar 1.

Published in final edited form as: J Magn Reson Imaging. 2014 Aug 23;41(3):558–572. doi: 10.1002/jmri.24725

(a) Axial CT section through the right hip in a patient with chronic right hip pain. There is an ununited stress fracture of the anterosuperior acetabular margin (arrow). A line joining the acetabular margins (dotted line) on the first CT slice showing the femoral head demonstrates acetabular retroversion. (b) 3D CT reconstructed image of the right hip demonstrates a comminuted ununited acetabular stress fracture (black arrows). An osseous excrescence is seen along the femoral head-neck junction anterolaterally (open arrow), suggesting combined pincer and cam impingement.

(a) Axial CT section through the right hip in a patient with chronic right hip pain. There is an ununited stress fracture of the anterosuperior acetabular margin (arrow). A line joining the acetabular margins (dotted line) on the first CT slice showing the femoral head demonstrates acetabular retroversion. (b) 3D CT reconstructed image of the right hip demonstrates a comminuted ununited acetabular stress fracture (black arrows). An osseous excrescence is seen along the femoral head-neck junction anterolaterally (open arrow), suggesting combined pincer and cam impingement.