Japanese ver.
Radiopaedia

Purpose
Suitable for observation of Hill-Sachs defects (defects in the posterior portion of the humeral head due to anterior dislocation of the shoulder).
The posterior lateral aspect of the humeral head can be observed.

Preliminary Confirmation
Presence of fractures or dislocations. If in doubt, do not move arm.
Remove any obstacles.

Positioning

Shoulder_stryker011
Shoulder_stryker012
Shoulder_stryker013
Shoulder_stryker014
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Shoulder_stryker011
Shoulder_stryker012
Shoulder_stryker013
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Supine.
Align the humeral head with the center of the cassette.
Raise the arm with the upper arm perpendicular to the cassette.
Bend the elbows and place the palms of the hands on the head. Tighten the armpits so that the humerus is parallel to the sagittal plane.

CR, distance, field size
CR : Oblique incidence at 10-30° in a caudal direction toward the intersection of the crease of the armpit and the humeral shaft
Distance : 100cm
Field size : The upper side of the irradiation field includes the humeral neck. The left and right sides include the humeral head and should be kept to the minimum extent necessary to reduce scattered radiation.。

Exposure condition
Suspend respiration during exposure.
70kV / 16mAs
grid ( + )

Image, check-point
Normal (Radiopaedia)

Shoulder_stryker015
Shoulder_stryker016
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Shoulder_stryker015
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The posterolateral aspect of the humeral head, the site of the Hill-Sachs defect, is clearly observed.
The clavicle and coracoid process overlap.
The long axis of the humerus is parallel to the sagittal plane.

Movie

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