Estimation and comparison of effective dose (E) in standard chest CT by organ dose measurements and dose-length-product methods and assessment of the influence of CT tube potential (energy dependency) on effective dose in a dual-source CT
Highlights ► The dual-energy protocol delivers the lowest effective dose of the investigated protocols for standard chest CT examinations, thus enabling functional imaging (like dual-energy perfusion) and can produce weighted images without dose penalty. ► The high-pitch protocol goes along with a 1...
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| Veröffentlicht in: | European journal of radiology 2012-04, Vol.81 (4), p.e507-e512 |
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| container_end_page | e512 |
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| container_issue | 4 |
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| container_title | European journal of radiology |
| container_volume | 81 |
| creator | Paul, Jijo Banckwitz, Rosemarie Krauss, Bernhard Vogl, Thomas J Maentele, Werner Bauer, Ralf W |
| description | Highlights ► The dual-energy protocol delivers the lowest effective dose of the investigated protocols for standard chest CT examinations, thus enabling functional imaging (like dual-energy perfusion) and can produce weighted images without dose penalty. ► The high-pitch protocol goes along with a 16% increase in dose compared to the standard 120 kV protocol and thus should preferably be used in pediatric, acute care settings (e.g. pulmonary embolism, aortic dissection and the like) or restless patients. ► The difference in effective dose estimates between ICRP 60 and 103 is minimal. ► Tube potential definitely has an effect on estimates of effective dose. |
| doi_str_mv | 10.1016/j.ejrad.2011.06.006 |
| format | Article |
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| fulltext | fulltext |
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| ispartof | European journal of radiology, 2012-04, Vol.81 (4), p.e507-e512 |
| issn | 0720-048X 1872-7727 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Adult Body Burden Dual-energy Effective dose (E) High-pitch Humans Male Organ dose Phantoms, Imaging Radiation Dosage Radiography, Thoracic - instrumentation Radiology Radiometry - instrumentation Radiometry - methods Relative Biological Effectiveness Thermo luminescent dosimetry Tomography, X-Ray Computed - instrumentation |
| title | Estimation and comparison of effective dose (E) in standard chest CT by organ dose measurements and dose-length-product methods and assessment of the influence of CT tube potential (energy dependency) on effective dose in a dual-source CT |
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