Shoulder - Lateral (Scapular Y)
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Shoulder - Lateral (Scapular Y) |
Area Covered | Proximal humerus, scapula and scapulohumeral joint |
Pathology shown | Fractures and or dislocations of proximal humerus and scapula. The humeral head will be inferior to the coracoid process with anterior dislocation, and with posterior dislocation the humeral head will be inferior to the acromion process |
Radiographic Anatomy | Shoulder Radiographic Anatomy |
IR Size & Orientation | 24 x 30cm Portrait |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | Moving or stationary grid Can be done either in bucky or out of bucky with exposue modified accordingly |
Filter | No |
Exposure | 70 kVp 20 mAs (in Bucky) |
FFD / SID | 100cm |
Central Ray | CR perpendicular to IR CR directed to the scapulohumeral joint (5 - 6cm) below top of shoulder |
Collimation | Four sides of collimation Shutter A - to include acromion, coracoid process and clavicle Shutter B - to include skin margin laterally and scapula medially |
Markers | Distal and lateral marker orientation PA |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Suspended |
Positioning | Erect
|
Critique | Positioning |
Special Notes | If the patient's condition requires it, the scapular Y view may be performed supine with the patient in the opposite posterior oblique position. |