Elbow - Lateral

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Radiographic Positioning

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Name of projection Elbow - Lateral
Area Covered Distal humerus, proximal radius and ulna
Pathology shown Fracture, dislocation, osteomyelitis, displaced fat pads, foreign body, tumour, arthritis
Radiographic Anatomy Elbow Radiographic Anatomy
IR Size & Orientation 18 x 24 cm
Landscape, divided in half, usually fits 2 projections
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 52 kVp
5 mAs
FFD / SID 100cm
Central Ray To the mid elbow joint
4cm medial to posterior surface of olecranon process
Perpendicular to IR
Collimation Four sides of collimation
To include the area of interest
Markers Distal and Posterior
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
  • Patient seated at end of table
  • Elbow flexed to 90°
  • Raise table or drop shoulder so that humerus and forearm are at the same plane
  • Rotate hand and wrist into a true lateral position, with thumb up
  • Place support under hand and wrist to elevate hand and distal forearm (so forearm is parallel to IR)

Area Covered
Special Notes