Hip Imaging

Discussion of technical advances in hip imaging covering the roles of radiography, CT, US and MRI.

Course ID: Q00381 Category:
Modalities: , , ,


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Targeted CE per ARRT’s Discipline, Category, and Subcategory classification:
[Note: Discipline-specific Targeted CE credits may be less than the total Category A credits approved for this course.]

Computed Tomography: 1.00
Procedures: 1.00
Head, Spine, and Musculoskeletal: 1.00

Magnetic Resonance Imaging: 2.00
Procedures: 2.00
Musculoskeletal: 2.00

Radiography: 0.75
Patient Care: 0.25
Patient Interactions and Management: 0.25
Procedures: 0.50
Head, Spine and Pelvis Procedures: 0.50

Registered Radiologist Assistant: 4.25
Procedures: 4.25
Musculoskeletal and Endocrine Sections: 4.25

Sonography: 1.00
Patient Care: 0.25
Patient Interactions and Management: 0.25
Procedures: 0.75
Superficial Structures and Other Sonographic Procedures: 0.75


  1. Introduction
  2. Labrum
    1. Imaging
    2. Pitfalls
  3. Articular Cartilage
    1. Imaging
    2. Cartilage Mapping
  4. Femoroacetabular Impingement
    1. Background
    2. Acetabular Retroversion
    3. Acetabular Depth
    4. Geometric Deformities of the Femoral Head and Neck
    5. Assessment of Cam-Type Deformities
    6. Threshold Dilemma for the Alpha Angle
    7. New Insights form Asymptomatic Volunteer Studies
    8. New Ways out of the Controversy
  5. Miscellaneous Structures
    1. Ligamentum Teres
    2. Synovial Folds
    3. Bursae
    4. Acetabular Fossa
    5. Microinstability
    6. Extracapsular Ligaments
    7. Iliocapsularis Muscle
    8. Abductor Tendons
  6. Summary


Upon completion of this course, students will:

  1. be able to describe the classification of the hip joint
  2. understand which of the new medical imaging modalities play a role in diagnosing hip trauma and pathology
  3. be able to describe the anatomical components of the acetabular labrum
  4. be able to describe the prevalence of acetabular lesions in the elderly patient population
  5. be familiar with which medical imaging modality is most relevant for the assessment of acetabular labrum integrity
  6. understand the anatomical quadrants that make up the acetabular labrum
  7. be able to describe which MR sequences are preferred for depicting a labral tear
  8. know what portion of the population lacks the anterior portion of the acetabular labrum
  9. be able to describe various anatomic variants that may be mistaken as labral tears
  10. be familiar with the anatomical variants of the acetebular labrum that may be visualized on an MR exam
  11. know the function of the articular cartilage of the acetabulum
  12. understand the clinical importance of cartilage delamination
  13. know the various classification systems for determining the degree of osteoarthritis in the hip with conventional radiography
  14. understand the role of dGEMRIC
  15. be able to name the anatomic variants of femoroacetabular impingement
  16. be familiar with the clinical radiographic sign indicative of an acetabular retroversion
  17. know the specificity and a sensitivity of the ischial spine sign
  18. describe coxa profunda
  19. describe protrusio acetabuli
  20. define the Wiberg angle on conventional hip radiographs
  21. know which MR reformations are used for patients who may be surgical candidates for osteochondroplasty of the femoral head neck junction
  22. know what type of deformity a “pistol grip” radiographic sign depicts
  23. describe where the maximum cam-type deformity of the femoral neck is located
  24. name the angle used to quantify the degree of femoral deformity on both conventional radiography and MR imaging
  25. understand the use, application and limitations of sonography for hip imaging
  26. describe cam-, pincer- and mixed-type impingements
  27. know which medical imaging techniques are used to identify the alpha angle measurement
  28. know the cutoff value that is most often used in both orthopedic and radiology literature for the alpha angle
  29. name other measurements used in various medical imaging procedures that have been investigated to assess cam-type deformities in the femoral head
  30. know the surgical procedure that an orthopedic surgeon should consider if a patient presents with a cam-type FAI and substantially reduced femoral antetorision
  31. be familiar with the miscellaneous anatomic structures of the hip joint such as the ligamentum teres
  32. know the name of the ligament that is ruptured when a hip dislocation occurs
  33. understand the miscellaneous anatomic structures of the hip joint and their functions
  34. list the three synovial folds that are visualized on MR arthrography
  35. name the synovial fold which is more prominent around the femoral neck
  36. know on what portion of MR hip arthrograms the pectinoveal fold can be identified
  37. name which bursa lies between the musculotendinous portion of the iliopsoas muscle and the hip joint capsule
  38. understand which disease processes the presence of hip bursae can be indicative of
  39. know which fossa lies in the medial part of the acetabulum and is surrounded by the lunate surface and covered by articular cartilage
  40. know the name of the strongest ligament in the human body