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Femoral neck anteversion in perspective
Clinical Orthopaedics and Related Research
|March 1, 1982
Summary
Biplanar radiography for evaluating femoral anteversion is unreliable. Instead, focus on the femoral head-acetabulum relationship, which can be assessed with computed tomography, though its use in children should be limited due to radiation exposure.
Area of Science:
- Orthopedic surgery
- Radiology
- Pediatric orthopedics
Background:
- Routine evaluation of anteversion using biplanar radiography is common but lacks reliability and reproducibility.
- Isolated measurement of femoral neck anteversion is considered outdated and clinically less relevant.
Purpose of the Study:
- To evaluate the clinical utility of biplanar radiography for assessing femoral anteversion.
- To highlight the importance of the femoral head-acetabulum relationship over isolated anteversion measurements.
- To discuss the role of computed tomography in evaluating hip joint morphology.
Main Methods:
- Review of current literature on anteversion measurement techniques.
- Comparison of biplanar radiography and computed tomography (CT) for assessing femoral anteversion and hip joint relationships.
- Discussion of radiation dose implications for pediatric patients undergoing CT scans.
Main Results:
- Biplanar radiography for anteversion measurement is deemed unreliable and poorly reproducible.
- The relationship between the femoral head and acetabulum is clinically more significant than isolated femoral anteversion.
- Computed tomography offers a comprehensive assessment of both anteversion and hip joint congruency.
Conclusions:
- Routine biplanar radiographic evaluation of anteversion is unnecessary and unreliable.
- Assessing the femoral head-acetabulum relationship is crucial for hip joint evaluation.
- Computed tomography is a valuable tool, but its use in children should be judicious due to radiation exposure.