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contrast enema

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
enema /en·e·ma/ (en´ĕ-mah) [Gr.] a solution introduced into the rectum to promote evacuation of feces or as a means of introducing nutrients, medicinal substances, or opaque material for radiologic examination of the lower intestinal tract.
barium enema  contrast e.
contrast enema  a suspension of barium injected into the intestine as a contrast agent for radiologic examination.
double-contrast enema  double-contrast examination (q.v.) of the intestine.

contrast enema
n.

contrast enema.


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Curiously, contrast enemas are only moderately sensitive, (8) with detection rates of 70%, and a preliminary accurate diagnosis of cancer of only 40%.
Contrast enema or multiplanar CT can reveal a beak-like configuration defining the point of obstruction.
In most institutions, a contrast enema remains the standard for diagnosis and initial treatment.
 
 
 
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