Calcaneus - Axial

Radiographic Positioning

Adult

Other related pages of interest Applied Radiography Radiographic Anatomy Radiographic Protocols

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 PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes	Text book of Radiographic positioning and related anatomy by Kenneth L. Bontrager