Abdomen radiography

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  • 1. Abdomen : Planes & regions :

2. 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. 3. 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. 4. 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 5. 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. 6. 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. 7. 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