Pelvic Ring Fractures

Anatomy and biomechanics of the pelvis are presented as well as imaging techniques and examples of pelvic ring injuries.

Course ID: Q00432 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: 2.00
Procedures: 2.00
Abdomen and Pelvis: 2.00

Radiography: 0.50
Procedures: 0.50
Head, Spine and Pelvis Procedures: 0.50


  1. Introduction
  2. Relevant Anatomy and Biomechanics of the Pelvis
  3. Imaging Evaluation
  4. Pelvic Ring Injuries
  5. Classification of Pelvic Fractures
  6. Lateral Compression Injury
  7. AP Compression Injury
  8. Vertical Shear Injury
  9. Combined Mechanism Injury
  10. Conclusion


Upon completion of this course, students will:

  1. describe the most common causes of displaced pelvic ring fractures
  2. understand why pelvic ring fractures increase the risk of patient mortality
  3. describe complications that may occur as a result of pelvic ring fracture
  4. understand the biomechanical functionality of the pelvic ring
  5. name the ligaments that make up the pelvic rim
  6. know the location and anatomic importance of the ASIS
  7. describe the anatomy best visualized by the pelvic outlet radiographic projection
  8. describe the anatomy best visualized by the pelvic inlet radiographic projection
  9. describe the x-ray tube angle and central ray position used to obtain the pelvic inlet projection
  10. describe the anatomy best visualized by the Judet radiographic projections of the pelvis
  11. know why MR imaging plays a limited role in imaging patients with polytrauma
  12. name the types of pelvic fractures that tend to displace over time when exposed to normal physiologic loading
  13. be familiar with the Young and Burgess classification system of pelvic ring injuries
  14. describe lateral compression type 1, 2, and 3 injuries
  15. know other terms for pelvis lateral compression type 3 injuries
  16. understand the naming of pelvic type 2 AP compression injuries in which there is external rotation of one or both hemipelvises
  17. describe what causes vertical shear fractures of the pelvis
  18. describe conventional radiographic views that best depict cranial and posterior displacement of the iliac bone
  19. know how medical imaging can assist in diagnosing associated injuries from pelvic vertical shear trauma to the urethra
  20. know where urethral ruptures typically occur due to pelvic ring trauma injuries