Shoulder Trauma Imaging Techniques Quiz
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Questions and Answers

What is the purpose of the tangential projection of the shoulder using the Neer method?

  • To evaluate the humeral head alignment
  • To assess the acromion and coracoid processes
  • To demonstrate the supraspinatus outlet region for possible shoulder impingement (correct)
  • To visualize the entire scapula structure

    • What should be visible in the tangential projection of the shoulder using the Neer method?

  • The entire humeral head in the center of the glenoid fossa
  • Superimposition of the humeral head over the supraspinatus outlet region
  • Clear visualization of the entire scapula without any superimposition
  • Proximal humerus superimposed over the thin body of the scapula without rib superimposition (correct)

    • What is the recommended patient position for obtaining the tangential projection of the shoulder using the Neer method?

  • Standing position with arms raised
  • Erect or recumbent position (correct)
  • Lying on the unaffected side
  • Sitting position with back support

    • What is the warning associated with the tangential projection of the shoulder using the Neer method?

    <p>Do not attempt to rotate the arm if a fracture or dislocation is suspected</p> Signup and view all the answers

    What is the recommended caudal angle for the Neer method in shoulder trauma imaging?

    <p>10° to 15°</p> Signup and view all the answers

    What is the patient position for the scapular Y lateral in shoulder trauma imaging?

    <p>Anterior oblique</p> Signup and view all the answers

    Where should the CR be directed for the scapular Y lateral in shoulder trauma imaging?

    <p>Scapulohumeral joint</p> Signup and view all the answers

    What is the purpose of the routine technique for shoulder trauma imaging?

    <p>To detect fractures, dislocations, and calcium deposits</p> Signup and view all the answers

    Where should the CR be directed for the AP (neutral rotation) in shoulder trauma imaging?

    <p>Midscapulohumeral joint</p> Signup and view all the answers

    What is the recommended body obliquity for the scapular Y lateral in shoulder trauma imaging?

    <p>45° to 60°</p> Signup and view all the answers

    What is the recommended collimation for the mentioned shoulder trauma imaging techniques?

    <p>Collimation on four sides</p> Signup and view all the answers

    In which position can the patient be placed for the AP (neutral rotation) in shoulder trauma imaging?

    <p>Erect or supine</p> Signup and view all the answers

    What is the evaluation criteria for the scapular Y lateral in shoulder trauma imaging?

    <p>Demonstrating a true lateral view of the scapula, proximal humerus, and scapulohumeral joint</p> Signup and view all the answers

    What are some clinical indications for shoulder trauma imaging?

    <p>Fractures, dislocations, and calcium deposits</p> Signup and view all the answers

    Where should the projection pass through for the Neer method in shoulder trauma imaging?

    <p>Superior margin of the humeral head</p> Signup and view all the answers

    What is the recommended range of body obliquity for the scapular Y lateral in shoulder trauma imaging?

    <p>45° to 60°</p> Signup and view all the answers

    What is the recommended SID for a nontrauma shoulder routine radiograph?

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

    How should the patient be positioned for a nontrauma shoulder routine radiograph?

    <p>Erect position</p> Signup and view all the answers

    Where should the central ray (CR) be directed for an internal rotation lateral view of the shoulder?

    <p>1 inch inferior to the coracoid process</p> Signup and view all the answers

    What is the purpose of performing a nontrauma shoulder routine radiograph?

    <p>To assess fractures or dislocations of the proximal humerus</p> Signup and view all the answers

    In which position should the arm be for an internal rotation lateral view of the shoulder?

    <p>Abducted with internal rotation</p> Signup and view all the answers

    What is the minimum recommended IR size for a nontrauma shoulder routine radiograph?

    <p>24 × 30 cm</p> Signup and view all the answers

    What is the purpose of collimation in shoulder radiography?

    <p>To reduce scatter radiation and improve image quality</p> Signup and view all the answers

    What should be visualized to confirm a full internal rotation position in a shoulder radiograph?

    <p>Lesser tubercle on the medial aspect of the humeral head</p> Signup and view all the answers

    What is the purpose of performing an external rotation (lateral) view of the shoulder?

    <p>To visualize the acromion and distal clavicle through the humeral head</p> Signup and view all the answers

    What should be visualized to confirm a full external rotation position in a shoulder radiograph?

    <p>Greater tubercle on the lateral aspect of the proximal humerus</p> Signup and view all the answers

    What is the purpose of shielding in shoulder radiography?

    <p>To protect the patient from radiation exposure</p> Signup and view all the answers

    Study Notes

    Shoulder Trauma Imaging Techniques

    • The Neer method is used for special supraspinatus outlet shoulder trauma imaging
    • Neer method requires a 10° to 15° caudal angle for the CR, and the projection passes through the superior margin of the humeral head
    • The routine technique for shoulder trauma imaging includes aP (neutral rotation) and Scapular Y lateral
    • For the scapular Y lateral, the patient is positioned in an anterior oblique position, with the amount of body obliquity ranging from 45° to 60°
    • The CR for the scapular Y lateral is perpendicular to the IR, directed to the scapulohumeral joint
    • The evaluation criteria for the scapular Y lateral include demonstrating a true lateral view of the scapula, proximal humerus, and scapulohumeral joint
    • Clinical indications for shoulder trauma imaging include fractures or dislocations of the proximal humerus and shoulder girdle, as well as calcium deposits in muscles, tendons, or bursal structures
    • The routine technique for shoulder trauma imaging also includes an AP (neutral rotation) and Transthoracic lateral
    • For the AP (neutral rotation), the CR is directed to the midscapulohumeral joint, approximately 3/4 inch (2 cm) inferior and slightly lateral to the coracoid process
    • The patient position for the AP (neutral rotation) is either erect or supine, and the body is rotated slightly toward the affected side if necessary
    • The CR for the AP (neutral rotation) is perpendicular to the IR, directed to the midscapulohumeral joint
    • Collimation on four sides is recommended for all the mentioned shoulder trauma imaging techniques

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    Description

    Test your knowledge of shoulder trauma imaging techniques with this quiz. Challenge yourself with questions about the Neer method, scapular Y lateral positioning, and evaluation criteria for shoulder trauma imaging.

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