Radiography, CT, and MRI of Hip and Lower Limb Disorders in Children and Adolescents

The clinical features, underlying pathologic processes, and radiologic findings of relatively common pediatric orthopedic diseases that manifest as deformities are described and illustrated.

Course ID: Q00601 Category:
Modalities: , ,

2.5

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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: 2.50
Procedures: 2.50
Head, Spine, and Musculoskeletal: 2.50

Magnetic Resonance Imaging: 2.50
Procedures: 2.50
Musculoskeletal: 2.50

Radiography: 2.50
Procedures: 2.50
Head, Spine and Pelvis Procedures: 1.25
Extremity Procedures: 1.25

Registered Radiologist Assistant: 2.50
Procedures: 2.50
Musculoskeletal and Endocrine Sections: 2.50

Sonography: 1.25
Procedures: 1.25
Superficial Structures and Other Sonographic Procedures: 1.25

Outline

  1. Introduction
  2. Congenital and Acquired Hip Disorders
    1. Developmental Dysplasia of the Hip
    2. Slipped Capital FE
    3. Femoroacetabular Impingement
  3. Congenital and Developmental Conditions That Affect the Lower Extremities
    1. Limb Alignment and Joint Orientation
    2. Limb Length Discrepancy
    3. Developmental (Physiologic) Bowing
    4. Blount Disease
    5. In-toeing and Out-toeing
  4. Conclusion

Objectives

Upon completion of this course, students will:

  1. identify the disorders associated with DDH
  2. be familiar with gestational development of DDH
  3. be familiar with the incidence of hip dislocation in newborns
  4. identify the imaging modality for evaluation of FE in infants with DDH
  5. be familiar with the essential landmarks when using the Graf method
  6. be familiar with the Graf classification types
  7. be familiar with the use of the Graf classification to categorize patients
  8. recognize valuable radiographic parameters for diagnosis of DDH
  9. be familiar with the use of the Perkins line
  10. be familiar with the IDHI classification system
  11. identify the lines used to determine the proper IDHI classification
  12. be familiar with the long examination time related to using MRI
  13. understand the effects of SCFE
  14. identify the common clinical manifestations of SCFE
  15. be familiar with the symptoms related to SCFE
  16. identify the first-choice imaging modality for evaluating SCFE
  17. understand the use of the Klein line
  18. be familiar with the use of the Wilson method
  19. be familiar with the use of the Southwick method
  20. recognize the primary forms of FAI
  21. identify the radiographic view for measuring the extent of the cam deformity
  22. be familiar with the use of the Anda method
  23. understand mechanical axis deviation (MAD)
  24. be familiar with the use and purpose of MAD
  25. be familiar with the mean mLDFA
  26. identify the possible causes of limb length discrepancy
  27. be familiar with the landmark for intervention on patients with limb length discrepancies
  28. be familiar with the radiographs taken when performing conventional scanography
  29. identify the imaging modality used for the most accurate technique for determining leg length discrepancy
  30. be familiar with the common characteristics in children with physiologic bowing
  31. be familiar with normal valgus angulations
  32. know what causes Blount disease
  33. be familiar with the use of the Levine-Drennan angle to diagnose Blount disease
  34. be familiar with the classification system used to stage Blount disease
  35. be familiar with the information used to diagnose torsional deformities