Calcaneus - AxialThis is a featured page

Radiographic Positioning


Adult
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Name of projection Calcaneus - Axial (Plantodorsal)
Area Covered Entire calcaneus should be visualised from the tuberosity posteriorly to the talocalcaneal joint anteriorly
Pathology shown Pathology, fractures showing the extent of medial or lateral displacement
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 70 kVp
16 mAs
FFD / SID 100 cm
Central Ray CR angled 40° cephalad from long axis of foot.
Direct CR to the base of third metatarsal to emerge at a level just distal to lateral malleolus.
Collimation Collimate to the skin lines of the area of calcaneus
Markers Lateral to calcaneus
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
Positioning
  • Patient supine on the X-ray table or barouche
  • Legs fully extended
  • Center and align ankle joint to CR and to portion of IR being exposed
  • Dorsiflex foot so that plantar surface is near perpendicular to IR
  • CR angled 40° cephalad from long axis of foot.
  • Direct CR to the base of third metatarsal to emerge at a level just distal to lateral malleolus.
Critique

Positioning

Area Covered

Collimation

Exposure

Special Notes Text book of Radiographic positioning and related anatomy by Kenneth L. Bontrager



AndyC
AndyC
Latest page update: made by AndyC , Jun 18 2011, 10:52 AM EDT (about this update About This Update AndyC Edited by AndyC

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Keyword tags: Plantodorsal projection
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