BS EN IEC 62985:2019
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Corrigendum 1. Methods for calculating size specific dose estimates (SSDE) for computed tomography
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 5 | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications |
| 7 | CONTENTS |
| 9 | FOREWORD |
| 11 | INTRODUCTION |
| 12 | 1 Scope 2 Normative references 3 Terms and definitions |
| 14 | 4 Verification of method used to calculate DW(z) 4.1 General 4.2 Characteristics of the water phantoms |
| 15 | 4.3 Characteristics of the anthropomorphic phantom 4.4 Generation of DW,REF(z) for the water phantoms 4.5 Verification of DW,REF for the water phantoms 4.6 Generation of DW,IMP for the water phantoms |
| 16 | 4.7 Verification of DW,IMP(z) against DW,REF(z) for the water phantoms 4.8 Generation of DW,REF(z) for the anthropomorphic phantom Table 1 – Anthropomorphic phantom regions to be scanned |
| 17 | 4.9 Generation of DW,IMP(z) for the anthropomorphic phantom 4.10 Verification of DW,IMP(z) against DW,REF(z) for the anthropomorphic phantom 5 Requirements and limitations 5.1 Calculation of SSDE and DW for ct scanners and RDIMS 5.2 Pre-scan display of SSDE for ct scanners 5.3 Post-scan updating of SSDE and DW for ct scanners |
| 18 | 5.4 Pre and post-scan display of SSDE and DW for ct scanners 5.5 Post-scan recording of SSDE and DW for ct scanners 5.6 Limitations of calculation and display of SSDE and DW 5.7 Requirements for identification of limitations in the accompanying documents |
| 19 | 5.8 Updating SSDE conversion factors, ƒ |
| 20 | Annex A (normative)Ssde conversion factors A.1 Clarification regarding the use of effective diameter versus DW A.2 Equation for determination of SSDE conversion factor Table A.1 – Ssde Conversion factor as a function of DW |
| 21 | Figure A.1 – Visualization of ƒ(Dw) versus DW for the bodyand head parameters provided in Table A.1 |
| 22 | Annex B (normative)Language regarding the general limitations of the ssde methodologyfor use in the accompanying documents |
| 23 | Annex C (informative)Estimates of the magnitude of uncertaintiesfrom special clinical scenarios C.1 General C.2 Neck included in scanned anatomy C.3 Range of scan projection radiograph exceeded C.4 Single or bilateral extremities scanned |
| 24 | C.5 Patient not positioned at the centre of rotation along the source/detector direction C.6 Patient anatomy outside the scan field of view C.7 Foreign objects within the scanned projection radiograph or scan volume |
| 25 | Bibliography |
| 26 | Index of defined terms used in this document |
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BS EN IEC 62985:2019:2022 Edition
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