Format

Send to:

Choose Destination
See comment in PubMed Commons below
J Med Phys. 2011 Jul;36(3):138-46. doi: 10.4103/0971-6203.83478.

Performance evaluation of three computed radiography systems using methods recommended in American Association of Physicists in Medicine Report 93.

Author information

  • 1Tanzania Atomic Energy Commission, Arusha, Tanzania.

Abstract

The performances of three clinical computed radiography (CR) systems, (Agfa CR 75 (with CRMD 4.0 image plates), Kodak CR 850 (with Kodak GP plates) and Kodak CR 850A (with Kodak GP plates)) were evaluated using six tests recommended in American Association of Physicists in Medicine Report 93. The results indicated variable performances with majority being within acceptable limits. The variations were mainly attributed to differences in detector formulations, plate readers' characteristics, and aging effects. The differences of the mean low contrast scores between the imaging systems for three observers were statistically significant for Agfa and Kodak CR 850A (P=0.009) and for Kodak CR systems (P=0.006) probably because of the differences in ages. However, the differences were not statistically significant between Agfa and Kodak CR 850 (P=0.284) suggesting similar perceived image quality. The study demonstrates the need to implement quality control program regularly.

KEYWORDS:

AAPM Report 93; computed radiography systems; performance evaluation

PMID:
21897559
[PubMed]
PMCID:
PMC3159220
Free PMC Article
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Medknow Publications and Media Pvt Ltd Icon for PubMed Central
    Loading ...
    Write to the Help Desk