Wrist
Setup and Structures seen for Wrist
Terms
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- 45* supination oblique position of wrist structures seen
- PISAFORM is BEST DEMONSTRATED, carpals on medial aspect of wrist, More distinct view of TRIQUETRUM and HAMATE free of superimpostion
- Ulnar Flexion aka
- Radial deviation, bridgman position
- 45* Semipronation oblique possition structures seen
- NAVICULAR IS BEST DEMONSTRATED, distal radius and ulna and other carpals should have a slight overlap, DEMONSTRATES CARPALS ON LAT SIDE
- Carpal Bridge setup
- 10X12 (8x10), 40", CR: 45* caudal, CR: enters ~1.5" proximal to the wrist joint
- 45* supination oblique position of wrist Setup
- 10x12 (colimate to 8x10), 40", CR: Midcarpal area
- Carpal Canal setup
- 10x12 (8x10), 40", CR: 25-30* proximal to long axis of hand, CR: 1" distal to base of the 3rd MCP, +5KVP for angle
- Ulnar Flexion Structures seen
- SCAPHOID with adjacent articulations
- 45* Semipronation oblique possition setup
- 10x12, 40", CR: Micarpal area
- PA projection of the wrist structures seen
- PA projection of entire wrist, Styloid process of the ulna is visualized
- Carpal canal aka
- Gaynor hart method (tangential projection)
- What are the routine views for the Wrist?
- PA, 45* Semipronation oblique possition, lateromedial projection
- Ulnar Flexion setup
- 10x12 (8x10), 40", CR: 20*proximal (or use 20* sponge), CR: Scaphoid
- Lateromedial projection structures seen
- Demonstrates any A or P displacement due to a fx and localization of a foreign body, radius and ulna superimposed, PISAFORM, NAVICULAR AND GREATER MULTANGULAR are seen, metacarpals should be superimposed
- Carpal Canal structuers seen
- Demonstrates the carpal canal, palmer aspect of trapezium, tubercle of the trapezium, scaphoid, hook of hamate, capitate, triquetrum, and entire pisiform
- Carpal Bridge Structures seen
- Demonstrates carpal bridge, Demonstrates FRACTURES OF THE SCAPHOID, lunate dislocations, calcifications, foreign bodies in the dorsum of the wrist, and dorsal chip fractures. Dorsal aspect of the wrist well seen and dorsal carpals free of superimposition by the metacarpal bases
- What are the 2 Tangential projections?
- Carpal canal, carpal bridge
- What are the misc wrist possitions?
- 45* supination oblique, Ulnar flexion, Carpal canal, Carpal bridge
- Lateromedial projection setup
- 10x12, 40", Wrist in true lateral with humerus on the same plane, elbow flexed 90*, medial aspect of wrist closest to cassette, CR: the level of the distal radial styloid/midcarpal area