• Wrist Joint
Basic Projections
o PAoOBLIQESoLATERALoCARPAL TUNNEL
PA WRIST JOINTExposure 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
• Par t position • Forearm resting on table top• Axilla contact with table• Center carpals to mid cassette• Flex fingers slightly Central Ray PerpendicularCenter Point To mid carpal area
• Structures shown• Mid and proximal metacarpals, carpals• Distal radius & ulna and associated joints
Wrist Joint
• 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
• Structures shown• Distal radius &ulna• Carpals especially trapezium and Scaphoid with slight
superimposition Of other carpals
• 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 tableApply lead shielding for Radiation safetyPart position Forearm resting on table top with Hand and wrist in lateral position Axilla contact with table with elbow Flexed 90 degreesCenter carpals to mid cassetteCentral Ray Perpendicular
• Center Point
To wrist joint
• Structures shown• Distal radius and ulna superimposed• Carpals and mid metacarpals superimposed
•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 tableApply lead shielding for Radiation safetyPart position
Forearm resting on table top withAxilla contact with table & elbow Flexed 90 degreesPalmar of hand contact with table Center carpals to mid cassetteRotate wrist joint towards ulna
• Central Ray
Perpendicular
• Center Point
To Scaphoid
• Structures shown Scaphoid separated from other carpals
Scaphoid View
•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 endAsk patient to lean over and place palmar Surface of hand on cassettePart position
Center palmar surface of carpals to cassetteHand and forearm near to 90 degrees angulation to cassette
• 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