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Acetabular Morphometry For Determining Hip Dysplasia In The Singaporean Population, Masood Umer, Thambyah A, Wtj Tan
Acetabular Morphometry For Determining Hip Dysplasia In The Singaporean Population, Masood Umer, Thambyah A, Wtj Tan
Department of Surgery
Abstract
PURPOSE:
To assess and evaluate the usefulness of 7 morphological measurements of the acetabulum in establishing the prevalence of acetabular dysplasia in the Singaporean population.
METHODS:
Standardised plain anteroposterior radiographs of 522 hip joints of 261 asymptomatic patients (mean age, 60 years; range, 16-99 years) were evaluated. The 7 morphological measurements were centre-edge angle, acetabular angle, depth-to-width ratio, roof obliquity, extrusion index, lateral subluxation, and peak-to-edge distance.
RESULTS:
19 (7.3%) patients were acetabular dysplastic (centre-edge angle of <20 >degrees). The mean centre-edge angle was 31.2 degrees (range, 5-52 degrees), acetabular angle 39.46 degrees (range, 10-58 degrees), depth-to-width ratio 0.32, roof …