Clinical indication:

Fracture, osteoarthritis of ulnar and radius

Region:

Carpal bone, wrist joint

Patient’s Position:

Patient is in sitting position. Place the patient’s hand on IR in lateral position.

Pose the 2^nd and 5^th finger to be 90° to IR and overlap each finger.

Place radial styloid process perpendicular to IR.

Cassette:

Size: 8’’x10’’ Orientation: Portrait

FFD/SID:

100cm

Central ray:

Central ray is projected toward the mid carpal region.

Grid:

No

Respiration:

Not related.

Exposure factors:

50-60kVp 3-5mAs

Collimation:

Collimate antero-posterior to the skin margins, include mid distal metacarpals and proximal to distal radius and ulnar bone.