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