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The Shoulder

The Shoulder. Things to know. 3 views AP, Lateral, Transthoracic 10 x 12 cassette Marker Shield Collimation Measures 12 on AP and Lateral 70 @6. AP External Rotation. 10 x 12 crosswise Place the posterior side of the shoulder to IR center shoulder to center of IR

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The Shoulder

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  1. The Shoulder

  2. Things to know • 3 views AP, Lateral, Transthoracic • 10 x 12 cassette • Marker • Shield • Collimation • Measures 12 on AP and Lateral • 70 @6

  3. AP External Rotation • 10 x 12 crosswise • Place the posterior side of the shoulder to IR • center shoulder to center of IR • Externally rotate arm until the epicondyles are parallel with IR • Hold breath

  4. CR 3/4 inch inferior to coracoid processSID 40

  5. Seen on Film • The Proximal humerus • 2/3 of clavicle • The upper scapula • The greater tubercle in profile

  6. AP Internal Rotation • 10x 12 crosswise • Same position as external • But rotate the arm internally until the epicondyles are perpendicular to IR • Hold breath

  7. CR ¾ inch inferior to coracord SID 40

  8. Seen on film • The lesser tubercle in profile

  9. Transthoracic • 10 x 12 lengthwise • Measure 34 • 75@60

  10. Positioning Transthoracic • Place affected shoulder against IR • Raise the good arm over the head • Center the surgical neck to IR • Patient in true lateral position • Breath normally

  11. CR directed through surgical neck SID 40

  12. Seen on film • Lateral view of the proximal half of humerus • No superimposition of other shoulder

  13. The Humerus

  14. The AP and Lateral Projections Cassette size 14 x17 lengthwise One cassette per view Measures 9 70@6 Shield Mark Collimate Hold breath

  15. Part Position for AP • Place patient’s shoulder in contact with table or bucky. • Extend the arm as far as patient is able • Abduct arm slightly and supinate hand until the epi-condyles are parallel with IR

  16. Central Ray perpendicular to Mid-HumerusSID 40

  17. Seen on Radiograph for AP • The entire humerus including both joints • The greater tubercle is seen in profile laterally • lateral and medial epi-condyles in profile.

  18. Part Position for Lateral • Same position as AP • Internally rotate the hand until the epi-condyles are perpedicular with IR

  19. CR Mid-Humerus SID 40

  20. Seen on radiograph for lateral • Entire humerus including both joints • The epi-condyles are superimposed • The lesser tubercle is seen in profile medially.

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