Pelvis - Acetabulum (Judet method)

Radiographic Positioning

Adult

Other related pages of interest Applied Radiography Radiographic Anatomy Radiographic Protocols

Name of projection	Pelvis - Acetabulum (Judet method)
Area Covered	Upside: posterior rim of acetabulum,anterior ilioischial column and obturator foramen Downside: anteior rim of acetabulum, posterior ilioischial column and iliac wing
Pathology shown	Evaluate acetabular fractures or hip dislocation
Radiographic Anatomy	Pelvis 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	75 kVp 20 mAs
FFD / SID	100cm
Central Ray	Normally taken as two views (upside and downside) Upside CR perpendicular to IR CR 5cm distal to upside ASIS Downside CR perpendicular to IR CR 5cm distal and 5cm medial to downside ASIS
Collimation	Four sides of collimation Collimate closely to area of interest
Markers	Lateral and Superior Marker orientation AP
Shielding	Gonads (check your department's policy guidelines)
Respiration	Suspended
Positioning	Upside Patient supine on the table with arms across upper chest Cushion for head Place patient in 45° posterior oblique (affected side up) Make sure both pelvis and thorax is 45° from table top (support body with wedge sponge) Align femoral head and acetabulum to midline of table/grid CR perpendicular to IR CR 5cm distal to upside ASIS Downside Patient supine on the table with arms across upper chest Cushion for head Place patient in 45° posterior oblique (affected side down) Make sure both pelvis and thorax is 45° from table top (support body with wedge sponge) Align femoral head and acetabulum to midline of table/grid CR perpendicular to IR CR 5cm distal and 5cm medial to downside ASIS
Critique PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes