دورية أكاديمية
Recommendation for reducing the crystalline lens exposure dose by reducing imaging field width in cone-beam computed tomography for image-guided radiation therapy: an anthropomorphic phantom study.
العنوان: | Recommendation for reducing the crystalline lens exposure dose by reducing imaging field width in cone-beam computed tomography for image-guided radiation therapy: an anthropomorphic phantom study. |
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المؤلفون: | Yoshida T; Department of Radiology, Koritsu Tatebayashi Kosei General Hospital, Gunma, Japan. ssty900.9145@gmail.com.; Graduate School of Radiological Technology, Gunma Prefectural College of Health Sciences, Gunma, Japan. ssty900.9145@gmail.com., Sasaki K; Graduate School of Radiological Technology, Gunma Prefectural College of Health Sciences, Gunma, Japan., Hayakawa T; Department of Radiology, Koritsu Tatebayashi Kosei General Hospital, Gunma, Japan., Kawadai T; Department of Radiology, Koritsu Tatebayashi Kosei General Hospital, Gunma, Japan., Shibasaki T; Department of Radiology, Koritsu Tatebayashi Kosei General Hospital, Gunma, Japan., Kawasaki Y; Department of Radiology, Nippon Medical School Hospital, Tokyo, Japan. |
المصدر: | Radiological physics and technology [Radiol Phys Technol] 2024 Sep; Vol. 17 (3), pp. 629-636. Date of Electronic Publication: 2024 Apr 30. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Springer Japan Country of Publication: Japan NLM ID: 101467995 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1865-0341 (Electronic) Linking ISSN: 18650333 NLM ISO Abbreviation: Radiol Phys Technol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Tokyo : Springer Japan |
مواضيع طبية MeSH: | Lens, Crystalline*/radiation effects , Cone-Beam Computed Tomography* , Phantoms, Imaging* , Radiation Dosage* , Radiotherapy, Image-Guided*/methods , Radiotherapy, Image-Guided*/instrumentation, Humans |
مستخلص: | In cone-beam computed tomography (CBCT) for image-guided radiation therapy (IGRT) of the head, we evaluated the exposure dose reduction effect to the crystalline lens and position-matching accuracy by narrowing one side (X2) of the X-ray aperture (blade) in the X-direction. We defined the ocular surface dose of the head phantom as the crystalline lens exposure dose and measured using a radiophotoluminescence dosimeter (RPLD, GD-352 M) in the preset field (13.6 cm) and in each of the fields when blade X2 aperture was reduced in 0.5 cm increments from 10.0 to 5.0 cm. Auto-bone matching was performed on CBCT images acquired five times with blade X2 aperture set to 13.6 cm and 5.0 cm at each position when the head phantom was moved from - 5.0 to + 5.0 mm in 1.0 mm increment. The maximum reduction rate in the crystalline lens exposure dose was - 38.7% for the right lens and - 13.2% for the left lens when blade X2 aperture was 5.0 cm. The maximum difference in the amount of position correction between blade X2 aperture of 13.6 cm and 5.0 cm was 1 mm, and the accuracy of auto-bone matching was similar. In CBCT of the head, reduced blade X2 aperture is a useful technique for reducing the crystalline lens exposure dose while ensuring the accuracy of position matching. (© 2024. The Author(s), under exclusive licence to Japanese Society of Radiological Technology and Japan Society of Medical Physics.) |
التعليقات: | Erratum in: Radiol Phys Technol. 2024 Sep;17(3):793. doi: 10.1007/s12194-024-00812-y. (PMID: 38748182) |
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فهرسة مساهمة: | Keywords: Blade; Cone-beam computed tomography (CBCT); Crystalline lens exposure dose; Image-guided radiation therapy (IGRT); Position matching |
تواريخ الأحداث: | Date Created: 20240501 Date Completed: 20240822 Latest Revision: 20240822 |
رمز التحديث: | 20240822 |
DOI: | 10.1007/s12194-024-00810-0 |
PMID: | 38691308 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1865-0341 |
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DOI: | 10.1007/s12194-024-00810-0 |