Tibia/Fibula - AP

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Radiographic Positioning


Adult
Other related pages of interest

Name of projection Tibia / Fibula - AP
Area Covered Entire tibia / fibula, knee joint proximally and ankle joint distally
Pathology shownFractures, dislocation, foreign body, bony lesions, osteomyelitis
Radiographic AnatomyTibia / Fibula Radiographic Anatomy
IR Size & Orientation 35 x 43 cm
Diagonally
Film / Screen Combination Regular
(CR and DR as recommended by manufacturer)
Bucky / Grid No
FilterNo
Exposure 50 kVp
5 mAs
FFD / SID 115cm
Central Ray Midpoint of tibia / fibula
Perpendicular to IR
Collimation Collimate on sides to the soft tissue borders of the tibia / fibula
Lower margin to include ankle joint, Upper margin to include knee joint
Markers Distal and Lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
Positioning
  • Patient's leg fully extended on the table
  • Place IR under tibia / fibula of the affected leg diagonally
  • Place the lower leg in the AP position
  • The foot is dorsiflexed so that the plantar surface is perpendicular to the table
  • Centre to the midpoint of tibia / fibula, perpendicular to IR
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes

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