Ring Artifacts

Helical Artifacts in the Axial Plane: Single-Section Scanning

Patient Motion

Multiplanar and Three-Dimensional Reformation Artifacts

Streaks and Dark Bands

Undersampling

Cupping Artifacts

Zebra Artifacts

Partial Volume

Beam Hardening

Helical Artifacts in Multisection Scanning

Incomplete Projections

Voluntary Motion

Stair Step Artifacts

Metallic Materials

Photon Starvation

Involuntary Motion

Cone Beam Effect