1st Digit (Thumb) Projection - PDF
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Uploaded by CheapestArtNouveau
University of Perpetual Help System JONELTA
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Summary
This document shows x-ray projections. Images and instructions to follow regarding different radiological projections and methods for imaging the thumb. The document appears to be a professional study resource, possibly from a medical university or college.
Full Transcript
# Digits (2nd to 5th) Projection CR: 1 RP: PIP Jt - **PA projection** - **PA oblique (Lateral Rotation)** - 45° laterally - **(medial Rotation)** - 45° medially - **Lateral (Lateromedial/mediolateral)** - 4th, 5th digit - **2nd, 3rd digit** - ↑ Recorded detail - Other fx - **Alternative...
# Digits (2nd to 5th) Projection CR: 1 RP: PIP Jt - **PA projection** - **PA oblique (Lateral Rotation)** - 45° laterally - **(medial Rotation)** - 45° medially - **Lateral (Lateromedial/mediolateral)** - 4th, 5th digit - **2nd, 3rd digit** - ↑ Recorded detail - Other fx - **Alternative of PA projection**: - AP projection: pt can't extend digits - Use (small dental film) - For suspected joint injury - Foreign bodies # 1st digit (Thumb) ## AP PROJECTION - For suspected Joint injury THUMB 1st MCP J+ (APPL) - **AP projection** - Hand in extreme internal rotation - 1st MCP Jt - AP proj. of Thumb - Method: - Lewis - 10-15°CR toward the wrist - Thumb free of soft tissue of Palm - **PA projection** - Hand in lateral position; - Dorsal surface of thumb // to IR (Dip) b/n thumb and IR) - 1st MCP Jt - Magnified thumb - **PA Oblique projection** - Hand in slight ulnar deviation; thumb abducted - 1st mcPut - PA oblique projection OF thumb - **Lateral projection** - Hand in natural arched position; Palmar surface down - ↑ 1st MCP Jt - Lateral pors of thumb - Superimposition Of trapezium ## Image - Fig. 4-41 AP first digit. - Distal phalanx - Interphalangeal joint - Proximal phalanx - Metacarpophalangeal Joint - 1st metacarpal - Carpometacarpal joint - Fig. 4-42 PA first digit. - Fig. 4-43 Lateral first digit. - Fig. 4-44 PA oblique first digit. - Fig. 4-37 AP first digit. - Fig. 4-38 PA first digit (cotton swab). - Fig. 4-40 PA oblique first digit. - Fig. 4-39 Lateral first digit.
