Case of the Month: March, 2012, Page 4

Answer: D. Diverticulosis. Although wall thickening and edema might be seen in the setting of diverticulitis, “thumbprinting” is not expected in the setting of diverticulosis. “Thumbprinting” is caused by thickened edematous haustral folds, a nonspecific sign.

A CT scan of the abdomen and pelvis with contrast is ordered for further evaluation.

Question: It is good practice to first look at what part of the CT study first, among the following choices?

  1. Arterial phase of contrast series.
  2. Delayed phase series.
  3. Scout images.
  4. Coronal reformatted images.
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