Coccyx - AP

Radiographic Positioning

Adult

Other related pages of interest Applied Radiography Radiographic Anatomy Radiographic Protocols

Name of projection	Coccyx - AP
Area Covered	Entire coccyx in AP view without superimposition
Pathology shown	Pathology of the coccyx
Radiographic Anatomy
IR Size & Orientation	24 x 30cm Portrait
Film / Screen Combination	Regular (CR and DR as recommended by manufacturer)
Bucky / Grid	Moving or Stationary Grid
Filter	No
Exposure	65 kVp 20 mAs
FFD / SID	100cm
Central Ray	CR angled caudad 10° CR to a point 5cm superior to symphysis pubis
Collimation	Four sides of collimation Collimate closely to area of interest
Markers	Distal and Lateral Marker orientation AP
Shielding	Gonadal (check your department's policy guidelines)
Respiration	Suspended
Positioning	Patient supine on the table Cushion for patients head Legs extended with a support under the knees Align midsagittal plane to midline of table/grid Ensure no rotation of the pelvis CR angled caudad 10° CR to a point 5cm superior to symphysis pubis
Critique PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes