Wrist Joint

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(No Transcript)
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• Wrist Joint

• PA
• OBLIQES
• LATERAL
• CARPAL TUNNEL

Basic Projections
PA WRIST JOINT
Exposure Factors
Kv mAs FFD (cm) Grid Focus Cassette
60 4 100 No Fine 18 x 24 cm
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• Patient position
• Seated at end of radiographic table
• Apply lead shielding for Radiation safety
• Par t position
• Forearm resting on table top
• Axilla contact with table
• Center carpals to mid cassette
• Flex fingers slightly

Central Ray Perpendicular Center Point
To mid carpal area
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• Structures shown
• Mid and proximal metacarpals, carpals
• Distal radius ulna and associated joints

Wrist Joint

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• Oblique wrist joint

Exposure Factors
Kv mAs FFD (cm) Grid Focus Cassette
60 4 100 No Fine 18 x 24 cm
Patient position Seated at end of
radiographic table

• Apply lead shielding for Radiation safety
• Part position
• Forearm resting on table top with Hand in
  lateral position
• Axilla contact with table
• Center carpals to mid cassette
• rotate hand medially 45 degrees

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• Structures shown
• Distal radius ulna
• Carpals especially trapezium and Scaphoid with
  slight
• superimposition Of other carpals

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• Lateral wrist joint

Exposure Factors
Kv mAs FFD (cm) Grid Focus Cassette
65 5 100 No Fine 18 X 24 CM
Patient position

• Seated at end of radiographic table
• Apply lead shielding for Radiation safety
• Part position
• Forearm resting on table top with
• Hand and wrist in lateral position
• Axilla contact with table with elbow
• Flexed 90 degrees
• Center carpals to mid cassette
• Central Ray
• Perpendicular

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• Center Point
• To wrist joint
• Structures shown
• Distal radius and ulna superimposed
• Carpals and mid metacarpals superimposed

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• PA wrist With ulnar deviation ( Scaphoid)
• Exposure Factors

Kv mAs FFD (cm) Grid Focus Cassette
65 5 100 No Fine 18 X 24 CM
Patient position Seated at end of radiographic
table Apply lead shielding for Radiation
safety Part position Forearm resting on table
top with Axilla contact with table elbow
Flexed 90 degrees Palmar of hand contact with
table Center carpals to mid cassette Rotate
wrist joint towards ulna
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• Central Ray
• Perpendicular
• Center Point
• To Scaphoid
• Structures shown
• Scaphoid separated from other carpals

Scaphoid View
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• Carpal Tunnel (wrist)

Exposure Factors
Kv mAs FFD (cm) Grid Focus Cassette
65 5 100 No Fine 18 X 24 CM
Patient Position Patient standing or seated at
table end Ask patient to lean over and place
palmar Surface of hand on cassette Part
position Center palmar surface of carpals to
cassette Hand and forearm near to 90 degrees
angulation to cassette
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• Central Ray
• Perpendicular
• Center Point
• Mid point of the distal forearm ( 4 cm proximal
  to wrist joint)

Structure Shown- Dorsal aspect of Scaphoid,
lunate and trapezium Outline of the capitate and
trapezium superimposed