Test Your Knowledge of Scoliosis Series Radiography!
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Questions and Answers

What is the recommended SID for scoliosis series?

  • 90 to 100 inches
  • 70 to 80 inches
  • 20 to 30 inches
  • 40 to 60 inches (correct)

    • What is the recommended kVp range for scoliosis series?

  • 105-120
  • 75-90 (correct)
  • 90-105
  • 60-75

    • Why is a PA projection recommended over an AP projection for scoliosis series?

  • It is easier for the patient to position
  • It reduces radiation dose to sensitive areas (correct)
  • It allows for better evaluation of spondylolisthesis
  • It results in better image quality

    • What is the purpose of shielding in scoliosis series?

    <p>To protect radiosensitive tissues outside the region of interest</p> Signup and view all the answers

    What is the recommended position for the patient during a lateral scoliosis series?

    <p>Lateral</p> Signup and view all the answers

    What is the recommended kVp range for the lateral position in scoliosis series?

    <p>80-90</p> Signup and view all the answers

    What should be the patient's position during a lateral scoliosis series?

    <p>Convex side of the curve against the IR</p> Signup and view all the answers

    What is the recommended SID for scoliosis series?

    <p>40 to 60 inches</p> Signup and view all the answers

    What is the recommended kVp range for scoliosis series?

    <p>75-90</p> Signup and view all the answers

    What is the recommended IR size for scoliosis series?

    <p>14 x 17 inches</p> Signup and view all the answers

    What is the recommended patient positioning for scoliosis series?

    <p>Erect and/or recumbent position with arms at the side</p> Signup and view all the answers

    Why is a PA projection recommended over an AP projection for scoliosis series?

    <p>To minimize radiation dose to the breasts</p> Signup and view all the answers

    What is the purpose of shielding in scoliosis series?

    <p>To protect radiosensitive tissues outside the region of interest</p> Signup and view all the answers

    What is the purpose of the lateral position in scoliosis series?

    <p>To evaluate spondylolisthesis, degree of kyphosis, or lordosis</p> Signup and view all the answers

    Study Notes

    Scoliosis Series Radiography: Technical Factors, Patient Positioning, and Evaluation Criteria

    • A scoliosis series may include two PA projections taken for comparison, one erect and one recumbent, to determine the degree and severity of scoliosis.
    • Recommended technical factors for scoliosis series include a SID of 40 to 60 inches, IR size of 14 x 17 inches or 14 x 36 inches, grid, compensating filters, and kVp range of 75-90.
    • Patient positioning for scoliosis series requires the patient to be in an erect and/or recumbent position with arms at the side, evenly distributed weight on both feet for the erect position, and midsagittal plane aligned to the CR and midline of the table and/or IR.
    • To minimize radiation dose to sensitive areas, a PA rather than an AP projection is highly recommended, resulting in approximately 90% reduction in dosage to the breasts.
    • Shielding is necessary to protect radiosensitive tissues outside the region of interest, and examples of shielding include breast and erect markers.
    • Repeat examinations over several years are often necessary, especially for pediatric patients, and careful shielding should be provided.
    • The lateral position for scoliosis series is used to evaluate spondylolisthesis, degree of kyphosis, or lordosis.
    • Recommended technical factors for the lateral position include a SID of 40 to 60 inches, IR size of 14 x 17 inches or 14 x 36 inches, grid, erect marker, compensating filters, and kVp range of 85-95.
    • Patient positioning for the lateral position requires the patient to be in an erect lateral position with the convex side of the curve against the IR and midcoronal plane aligned to the CR and midline of the table and/or IR.
    • Evaluation criteria for scoliosis series include clear demonstration of bony margins and trabecular markings of thoracic and lumbar vertebrae, no patient rotation indicated by thoracic and lumbar vertebrae with spinous processes aligned with the vertebral midline and symmetry of iliac alae/wings and upper sacrum, and no motion.
    • Scoliosis may result in twisting and rotation of involved vertebrae, making some rotation unavoidable, and collimation should be to the area of interest.
    • Respiration should be suspended on expiration during exposure.

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    Description

    Are you familiar with the technical factors, patient positioning, and evaluation criteria for scoliosis series radiography? Test your knowledge with this quiz! Learn about the recommended technical factors, patient positioning, and evaluation criteria for scoliosis series, including the use of PA and lateral projections, shielding, and repeat examinations. Take this quiz to see how well you understand the technical aspects of scoliosis series radiography.

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