Acronym

CT - Computed Tomography

Cross-sectional imaging using X-ray and computer reconstruction

Expansion

Computed Tomography

Purpose

Workhorse modality for trauma, acute pathology, and oncology staging

Clinical Context

CT uses X-ray radiation with computer algorithms to reconstruct axial, coronal, and sagittal images. Faster than MRI; better for acute bleeding.

  • MRI:
  • Ultrasound:
  • PET-CT:

Key Points

  • CT is rapid, sensitive, and versatile - overuse is a concern due to radiation dose