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Radiology
Ch. 13 Abdominal Radiographs
16
Other
Graduate
08/13/2012

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Cards

Term
What are the 4 anterior hollow structures of the abdomen? The 5 posterior hollow structures?
Definition
-transverse colon, jejunum and ileum, gastric body, sigmoid
-ascending/descending colon, duodenum, gastric fundus, rectum
Term
Where is air seen on supine abdominal radiographs??
Definition
anterior structures
Term
Where is air seen on prone radiographs?
Definition
posterior structures (this view is rarely obtained)
Term
Where is air seen on upright images of the abdomen?
Definition
the peritoneal cavity (extra peritoneal air) and air fluid levels are seen in the bowel lumen
Term
What 4 things should you look for when looking at a plain film of the abdomen?
Definition
-bowel gas pattern
-free air
-calcifications
-soft tissue masses
Term
What are 5 studies that may be done for an acute abdominal series?
Definition
-supine view
-prone view
-upright view
-left lateral decubitus view
-PA chest radiograph
Term
What besides bowel gas pattern can be assessed on a supine view? This is the typical view for what two studies?
Definition
-calcifications and masses
-renal calculi and to verify placement of orogastric/nasogastric tubes
Term
What is the prone view of the abd usually used for?
Definition
evaluating air in the ascending/descending colon. rarely obtained
Term
what view is best for looking at air fluid levels
Definition
upright view
Term
what is the left lateral decubitus view used for?
Definition
assess pneumoperitoneum (free air) in patients unable to stand or sit up
Term
Describe the valvulae of the small bowel
Definition
they traverse the entire length of the bowel
Term
do the haustra of the large bowel traverse the entire colon diameter?
Definition
no
Term
Does the stomach normally contain has? have air fluid levels?
Definition
yes
yes
Term
does the small bowel normally contain has? have air fluid levels?
Definition
yes, 2-3 loops
yes
Term
does the large bowel normally contain has? have air fluid levels?
Definition
yes, esp rectosigmoid
no
Term
what is a phlebolith?
Definition
benign calcification in veins, has a lucent center, renal stones are of homogenous density
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