Wrist Positioning

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Structures seen for PA Axial Projection for Scaphoid

Scaphoid best demonstrated, no rotation

Structures seen in PA Ulnar Deviation of Wrist

Scaphoid best demonstrated, no rotation

structures seen for Carpal Canal (Gaynor-Hart Method)

carpal canal, tubercle of trapezium, identifies fractures of hamate, pisiform, and trapezium

PA Lateral (external) oblique wrist position

from pronated, rotate wrist/hand 45 degrees laterally, cr enters at mid carpal area distal to radius, collimate 2 1/2 inches

Carpal Canal (Gaynor-Hart Method) Positon

hyperextended wrist, Center IR at wrist, CR angles 25-30 degrees, CR enters 1 inch distal to base of third metacarpal, collimate to include 1 inch on all three sides

Structures seen in AP medial Oblique wrist

pisiform best demonstrated, demonstrates carpals on medial side of wrist, triquetrum, hamate, pisiform free of superimposition

PA Wrist Position

pronate hand and rest forearm on table, flex digits, CR enters at mid carpal area, Collimate 2 1/2 inches proximal and distal

AP Medial Oblique Wrist position

semi supinated, rotate wrist and hand 45 degrees medially, cr enters at mid carpal area, collimate 2 1/2 inches

PA Axial Projection for Scaphoid Position

stechen method, wrist in PA position, CR angled 20 degrees cephalic, CR enters at scaphoid, collimate to include 2 1/2 inches

Structures seen in Lateromedial Wrist

superimposed distal radius and ulna, metacarpals, demonstrates anterior/posterior displacement, foreign body

structures seen for PA Lateral (external) oblique wrist

trapezium best demonstrated, distal scaphoid, open carpals, radius/ulna/carpal overlap

Structures seen in PA wrist

ulnar styloid, radial styloid, open radioulnar joint, no rotation

Lateromedial Wrist Position

wrist in lateral positon, humerus on same plane, elbow flexed 90 degrees, CR enters at wrist joint , Collimate to include 2 1/2 inches

PA Ulnar Deviation of Wrist Position

PA position of hand, deviated, CR enters at scaphoid, collimate to include 2 1/2 inches


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