Imaging of appendicitis in adults

Area of Science:

• Radiology
• Medical Imaging
• Gastrointestinal Diagnostics

Background:

• Acute appendicitis diagnosis relies on imaging.
• Ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) are key modalities.

Purpose of the Study:

• To review state-of-the-art imaging techniques for acute appendicitis.
• To discuss the clinical relevance of US, CT, and MRI in appendicitis diagnosis.

Main Methods:

• Review of current imaging modalities for appendicitis.
• Analysis of diagnostic accuracy and indications for US, CT, and MRI.

Main Results:

• Transabdominal US is the recommended first-line test.
• CT is superior for atypical presentations and suspected perforation.
• Low-dose unenhanced CT matches contrast-enhanced CT for detecting appendicitis signs.
• MRI is crucial for pregnant women and young adults.

Conclusions:

• US serves as the basic diagnostic tool for suspected appendicitis.
• CT is essential for managing patients with atypical appendicitis presentations.
• MRI is the preferred initial imaging modality for pregnant women.