Renal - Supine Abdomen (Inspiration)This is a featured page

Radiographic Positioning


Adult
Other related pages of interest

Name of projection Renal - Supine Abdomen
Area Covered Kidneys, Ureters, bladder
Pathology shown radioopaque renal stones ( PT Should have CT scan on initial presentation to prove stones are radio-opaque, when lloking for stones, role of plain xray is to monitor position of stones only, not initial diagnosis)
Radiographic Anatomy Abdomen Radiographic Anatomy
IR Size & Orientation 35 x 43 cm Portrait
D.R. may cover 43 x 43 cm
Film / Screen Combination Regular
(CR and DR if available)
Bucky / Grid Moving or Stationary Grid
Filter No
Exposure 75 kVp
35 mAs
FFD / SID100 cm
Central Ray Directed to the midsaggital plane at the level of the iliac crests
Perpendicular to the IR
Collimation Centre: To the midsaggital plane at the level of the iliac crests
Shutter A: Open to include the pubic symphysis inferiorly
Shutter B: Open to include the lateral skin margins if possible
Markers Inferior and Lateral
Marker orientation AP
Shielding Gonadal for males (check your department's policy guidelines)
Respiration On suspended inspiration
(check your departmental technique protocol)
Positioning
  • Patient is supine and positioned without rotation of the torso
  • Ensure there are no artefacts such as zips or buttons over the area being imaged
  • Centre the midsaggital plane of the patient to the midline of the IR
  • Patient's arms slightly abducted from the torso
Critique

 Positioning
 No rotation as evidenced by
  • symmetrical iliac wings
  • the obturator foramina are both open and symmetrical
  • the sacrum is centred in the pelvic inlet
  • the pedicles of the vertebrae are the same distance from the spinous processes on each side
Area Covered
  • The diaphragm to pubic symphysis
Collimation
  • Centre:L4 Lumbar vertebra, which is at the level of the iliac crests
  • Shutter A: Open to include the pubic symphysis inferiorly and kidneys superiorly
  • Shutter B: Open to include the lateral renal outlines
Exposure
  • There should be adequate exposure and no patient motion so that the following anatomy is demonstrated
    • the outline of the psoas muscles
    • the outline of the kidneys
    • skeletal structures such as the posterior ribs, vertebrae and pelvic anatomy
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 19 2011, 4:38 PM EDT (about this update About This Update AndyC Edited by AndyC


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Keyword tags: abdomen abdomen positioning AXR renal renal abdomen renal supine
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