Triple-Phase Spiral CT

**Semantic type:** Diagnostic Procedure

**Definition:** A form of computed tomography (CT) in which images are taken during three distinct timing points (phases) following the injection of contrast material: arterial, venous, and delayed. This form of CT imaging is most commonly used to image hepatic lesions.

**Synonyms:** - TRIPLE-PHASE SPIRAL CT SCAN - Triphasic Spiral CT - Triple-Phase Spiral Computed Tomography