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MR imaging of normal hip anatomy
Connie Y Chang1, Ambrose J Huang
1Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. cychang@partners.org
Magnetic Resonance Imaging Clinics of North America
|November 22, 2012
Summary
Accurate diagnosis of hip pathology relies on understanding normal hip anatomy. Magnetic resonance (MR) arthrography enhances detection of intra-articular issues compared to noncontrast MR imaging.
Area of Science:
- Radiology
- Anatomy
- Orthopedics
Background:
- Normal hip anatomy is crucial for diagnosing hip pathologies.
- Magnetic resonance (MR) arthrography offers superior sensitivity for intra-articular pathology detection over noncontrast MR imaging.
Purpose of the Study:
- To detail the key anatomical structures of the hip visualized on MR imaging.
- To highlight normal anatomical variations that may be mistaken for pathology.
Main Methods:
- Review of MR imaging findings of the hip.
- Description of osseous structures, cartilage, muscles, ligaments, labrum, and nerves.
Main Results:
- Key osseous elements include alignment and marrow; acetabular ossicles may be present.
- Normal cartilage variations include supra-acetabular fossa and stellate lesions.
- Major muscles, ligaments, labral variations (sulcus, absence), and nerves (sciatic, femoral, obturator) are identified.
Conclusions:
- Comprehensive knowledge of normal hip anatomy and its variations on MR imaging is essential for accurate diagnosis.
- MR arthrography is a valuable tool for evaluating intra-articular hip structures.
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