Which diagnostic study is MOST effective for directly visualizing a large bowel obstruction (LBO)? A) Contrast enema B) CT Scan C) Sigmoidoscopy or colonoscopy D) Abdominal X-ray
Understand the Problem
The question is asking which diagnostic study is most effective for visualizing a large bowel obstruction, requiring knowledge of medical diagnostic techniques.
Answer
CT Scan
The final answer is B) CT Scan
Answer for screen readers
The final answer is B) CT Scan
More Information
A CT scan is the most effective method for directly visualizing a large bowel obstruction. It provides detailed images that can aid in evaluating the location, cause, and complications of the obstruction.
Tips
Confusing the initial diagnostic step (abdominal X-ray) with the most effective method of visualization (CT scan) is a common mistake.
Sources
- Imaging Modalities for Evaluation of Intestinal Obstruction - PMC - pmc.ncbi.nlm.nih.gov
- 69-Year-Old Man With Abdominal Pain and Obstipation - mayoclinicproceedings.org
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