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Abdomen :
Planes & regions :
Plain radiograph of the abdomen
Plain radiograph of the abdomen & pelvic cavity are
required:
• 1- prior introducing of contrast medium for example
in intravenous urography (IVU) or cholangiography
to demonstrate the presence of renal or gall stone &
assess adequately bowel preparation .
• 2- to demonstrate abnormal mass or calcification .
• In case of acute abdomen , to demonstrate the
presence of free fluid , abnormal collections of gas
inside or outside the bowel , radiopaque FB & shape
and size of the viscera.
Plain abdomen
• ROUTINE POSITIONS: AP (K.U.B., Flatplate)
• AP Abdomen (K.U.B.). • 14 X 17 film• Patient supine.• Cassette is placed so that the pubic bone is at the bottom
of the film.• Bucky or grid if patient is unable to be moved.• FFD = 40" (100 Cm).• High mA & very short time use to maximize image
sharpness & contrast.• Central Ray is perpendicular to the film.• Expiration
Upright Abdomen
14 x 17 film. Patient is in an AP ERECT POSITION (allow time for
free air to rise). Place top of cassette to the axilla (diaphragms
must be demonstrated). Bucky 40" SID
Central Ray: horizontal, parallel with the fluid level, even if patient isn't completely 90 degrees upright.Expiration
Decubitus Abdomen
14 x 17 film.Patient is placed in a recumbent left lateral
position (allow time for free air to rise).Place the top of film at axilla (diaphragms
must be demonstrated).Upright Bucky or grid.40" SID.Central Ray: perpendicular to film. Expiration.
Lateral Abdomen:
14 x 17 film.Patient is placed in a recumbent left lateral
position.Bucky.
40" SID.Central Ray: perpendicular to film.Centering point - level of crest.Expiration.
ACUTE ABDOMINAL SERIES (A.A.S.)
ROUTINE POSITIONS: PA chest, AP abdomen, AP upright
• PA chest• 14 x 17 film• Patient upright• Patient's chin is extended with their hands on
hips and shoulders rolled forward.• 72" FFD• Central Ray: perpendicular to film.• Deep inspiration