Abstract
Plain radiographic imaging remains the standard imaging modality for the hip despite modern three-dimensional computer tomography or magnetic resonance imaging. To know the technical principles of radiographic imaging is essential for correct interpretation of plain radiographs. The anatomy of the hip on plain radiographs depends on the conical projection, film-tube and patient-film distance, centering and direction of the x-ray beam, and the pelvic orientation during radiograph acquisition. Standard radiographic evaluation of the hip comprises the anteroposterior pelvic radiograph and an axial view (e.g., cross-table). Hip-centered or deep-centered views are not recommended in hip-preserving surgery since the centering of the x-ray alters the projected anatomy on the radiograph. Additional views are performed to answer specific questions, e.g., a false profile view to judge the anterior acetabular coverage. This article summarizes and illustrates the most common radiographic parameters to describe the acetabular depth, acetabular coverage, acetabular orientation, head-neck sphericity, and joint congruency.
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Steppacher, S.D., Albers, C.E., Tannast, M., Siebenrock, K.A. (2015). Plain Radiographic Evaluation of the Hip. In: Nho, S., Leunig, M., Larson, C., Bedi, A., Kelly, B. (eds) Hip Arthroscopy and Hip Joint Preservation Surgery. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6965-0_3
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DOI: https://doi.org/10.1007/978-1-4614-6965-0_3
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