Gamma Camera - Artifacts David Gilmore, MS, CNMT, NCT, RT(R)(N) Matthew R. Palmer, PhD Images courtesy of Dan Devries and Fredric Fahey (TCH) Beth Israel Deaconess Medical Center Department of Radiology Boston, MA USA
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Gamma Camera - Artifacts
David Gilmore, MS, CNMT, NCT, RT(R)(N)
Matthew R. Palmer, PhD Images courtesy of Dan Devries and Fredric Fahey (TCH)
Beth Israel Deaconess Medical Center
Department of Radiology
Boston, MA USA
Linearity
With Linearity Correction Linearity Correction Off
Uniformity Corrections & Off-Peak Images
Tc-99m (140 keV) – Intrinsic Floods, no Uniformity Correction
Window (-10%,+10%) Windows (0, +10%) Windows (0, -10%)
Collimator Defect
Early Late
Extrinsic Flood, foil collimator
Tube Defect
Cracked Crystal
Patient Motion
67Ga
Overlying Objects
Lung Pacemaker
Off-Peak Images -1
Off Peak Images -2
Distance Effects
Related Documents
