EVALUATION AND ROUTINE TESTING IN MEDICAL IMAGING DEPARTMENTS - PART 2-6: CONSTANCY TESTS - IMAGING PERFORMANCE OF COMPUTED TOMOGRAPHY X-RAY EQUIPMENT
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope and object<br>2 Normative references<br>3 Terms and definitions<br>4 General aspects of CONSTANCY TESTS<br> 4.1 Preconditions<br> 4.2 General conditions affecting test procedures<br> 4.3 Establishment of BASELINE VALUES<br> 4.4 Identification of equipment, instrumentation and <br> test conditions<br> 4.5 Scope of the CONSTANCY TESTS<br> 4.6 Test equipment, including PHANTOMS and TEST DEVICES<br> 4.7 Frequency of CONSTANCY TESTS<br>5 Test methods for CT SCANNERS<br> 5.1 Positioning of the PATIENT SUPPORT<br> 5.2 PATIENT positioning accuracy<br> 5.3 TOMOGRAPHIC SECTION THICKNESS<br> 5.4 Dose<br> 5.5 NOISE, UNIFORMITY AND MEAN CT NUMBERS<br> 5.6 SPATIAL RESOLUTION<br>Annex A (informative) Guidance on action to be taken<br>Annex B (informative) Alternate test methods for SPATIAL <br> RESOLUTION<br>Annex C (informative) TOMOGRAPHIC SECTION THICKNESS for <br> helical scanning<br>Annex D (informative) Visual method for LOW CONTRAST <br> RESOLUTION<br>Bibliography<br>Index of terms
Gives assistance in performing CONSTANCY TESTS on a CT SCANNER. It applies to those components of CT SCANNERS which influence the image quality, PATIENT dose and positioning.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 62 |
