Calcaneus - Lateral

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Radiographic Positioning

Other related pages of interest

Name of projection Calcaneus - Lateral (Mediolateral)
Area Covered Calcaneum and ankle joint
Pathology shown Fractures, foreign bodies, bony lesions
Radiographic Anatomy Calcaneus Radiographic Anatomy
IR Size & Orientation 24cm x 30cm
Landscape, usually fits two calcaneal projections
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 60 kVp
3.2 mAs
FFD / SID 100cm
Central Ray CR directed 2.5cm inferior to the medial malleolus
Perpendicular to the IR
Collimation To the outer skin margins to include entire calcaneum and the ankle joint proximally
Markers Superior dorsal surface of foot
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
  • Patient positioned on the X-ray table or barouche
  • Patient in the lateral recumbent position with the affected side down
  • Cushion for patients head
  • Flex knee of affected limb 45°, place opposite leg behind the affected limb
  • Place support under knee and leg as needed to place plantar surface perpendicular to IR
  • Position ankle and foot in a true lateral position (the lateral malleolus will be 1cm posterior to the medial malleolus)
  • Dorsiflex the foot so that that the plantar surface is at a right angle to the leg
  • CR directed 2.5cm inferior to the medial malleolus, perpendicular to the IR

Area Covered
Special Notes