Hip Impingement: A "cross-over" sign is a radiographic finding suggestive of abnormal development of the hip socket, known as the acetabulum. The presence of a crossover sign can lead to the diagnosis of "pincer-type femoral acetabular impingement" or fai for short. I would recommend a consultation with an orthopaedic surgeon specializing in arthroscopic surgery of the hip to discuss your specific situation.
Answered 3/23/2015
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The 2 types of : Femoroacetabular impingement are described in detail on http://www.Orthopaedicsone.Com/m/view-page.Action?Spacekey=main&title=femoroacetabular+impingement. Abnormal alignment of the thigh bone & the rim of its hip socket can cause pain & degenerative changes of the joint.
Answered 12/9/2013
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