Imaging patients with acute abdominal pain

Area of Science:

• Radiology
• Medical Imaging
• Abdominal Diagnostics

Background:

• Acute abdominal pain has diverse causes, including appendicitis, diverticulitis, and cholecystitis.
• Clinical evaluation can be unreliable, necessitating advanced imaging for accurate diagnosis and management.
• Computed tomography (CT) is vital for precise and reproducible diagnoses in urgent abdominal pain cases.

Purpose of the Study:

• To evaluate the role and effectiveness of various imaging modalities in diagnosing acute abdominal pain.
• To assess the cost-effectiveness and diagnostic accuracy of CT scans compared to other methods.
• To provide guidance on selecting the optimal imaging technique based on clinical suspicion and resource considerations.

Main Methods:

• Review and analysis of current literature on imaging techniques for acute abdominal pain.
• Comparison of diagnostic accuracy, cost-effectiveness, and radiation exposure of CT, ultrasonography (US), and conventional radiography.
• Discussion of the utility of magnetic resonance (MR) imaging as an alternative.

Main Results:

• CT is highly effective for diagnosing acute appendicitis and is cost-effective.
• US is the primary choice for suspected acute cholecystitis.
• CT is superior for detecting bowel perforation and obstruction compared to radiography.
• MR imaging shows promise but requires further research for acute abdominal pain evaluation.

Conclusions:

• CT is the primary imaging modality for most acute abdominal pain diagnoses due to its accuracy and impact on management.
• US should be the initial imaging test for suspected cholecystitis.
• A strategy of initial US followed by CT for non-diagnostic cases balances cost, radiation, and diagnostic yield.
• Conventional radiography has limited utility, primarily for bowel obstruction, though CT is more informative.