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Shoulder– caudocranial canine X-ray positioning guide




Positioning
Dorsal recumbency
Use sandbags/foam wedges or a cradle under the hips/pelvis to keep dog straight
Turn head away from affected limb
Extend limb cranially and tie
Centre over the shoulder joint
Collimate to show proximal 1/3rd humerus and include the scapula
Ensure L/R marker in primary beam

What to look for
Humeral head should be central in relationship to the supraglenoid tubercle
Shoulder joint should not overlie the ribs

Top tips
If measuring humerus ensure it is parallel to the X-ray cassette, and ensure your calibration tool is at the same distance from the cassette as the bone.


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