Hip arthroscopy has become a powerful tool in the treatment of non-arthritic hip conditions and injuries. The proliferation of hip arthroscopy has fueled the vast expansion in the understanding of hip anatomy and pathology and has allowed systematic correlation of MR findings to arthroscopic findings. During arthroscopy, the hip is functionally divided into the central compartment and the peripheral compartment. Pathology pertaining to the labrum, acetabular rim, articular cartilage, and ligamentum teres is evaluated and addressed in the central compartment, while the peripheral compartment includes the femoral head neck junction and femoral neck. Careful evaluation of preoperative imaging including MRI allows the surgeon to efficiently detect and correct pathology during arthroscopy. Anatomical variants may mimic pathological conditions and the surgeon should be aware of potential variants when treating hip conditions arthroscopically.
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