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Morphologic features of the acetabulum.
Figen Govsa1, M Asim Ozer, Zuhal Ozgur
1Department of Anatomy, Faculty of Medicine, Ege University, Izmir, Turkey. govsa@med.ege.edu.tr
Archives of Orthopaedic and Trauma Surgery
|August 13, 2005
Summary
This study details unusual acetabular facets and anterior ridge variations in human pelvic bones. These anatomical findings aid surgical planning for hip joint reconstructions and treatments for femoroacetabular impingement.
Area of Science:
- Anatomy
- Morphology
- Orthopedic Surgery
Background:
- Hip joint development is complex, with frequent minor anatomical variations in acetabular shape and joint congruences.
- The clinical significance of these variations remains debated, particularly in acetabular reconstruction and femoroacetabular impingement surgery.
Purpose of the Study:
- To identify and describe unusual acetabular facets, the acetabular point, and the anterior acetabular ridge.
- To provide morphological data from human pelvic bones for surgical applications.
Main Methods:
- Morphological analysis of 226 human coxal bones.
- Detailed examination of acetabular features, including unusual facets and anterior ridge configurations.
Main Results:
- An unusual facet, typically piriform (45.16%) and larger in males, was observed anteroinferior to the lunate surface in 62 acetabulums.
- The anterior acetabular ridge exhibited four configurations: curved (43.36%), angular (28.33%), irregular (16.37%), and straight (11.94%).
- Acetabular fossa shape was clover-leaf, with varying lunate surface areas (14.5–30.5 cm²).
Conclusions:
- This research provides the first comprehensive report on unusual acetabular facets, acetabular point, and anterior ridge morphology.
- These detailed anatomical findings are crucial for planning surgical procedures like reorientation, screw fixation, and press-fitting in hip surgeries.