Diagnostic capability and radiation dose of cone beam CT dacryocystography in different scanning fields of view in healthy volunteers
Objectives Cone beam CT dacryocystography (CBCT-DCG) is a new imaging technique for assessing the lacrimal drainage system (LDS). The purpose of this pilot study is to compare the diagnostic capability and radiation dose of CBCT-DCG in different scanning fields of view (FOV) to evaluate the possibil...
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| Veröffentlicht in: | Radiologia medica 2021-01, Vol.126 (1), p.47-54 |
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| creator | Chen, Zhaoyue Wang, Jianzhong |
| description | Objectives
Cone beam CT dacryocystography (CBCT-DCG) is a new imaging technique for assessing the lacrimal drainage system (LDS). The purpose of this pilot study is to compare the diagnostic capability and radiation dose of CBCT-DCG in different scanning fields of view (FOV) to evaluate the possibilities of the reduction of radiation dose.
Methods
Fifteen healthy volunteers underwent CBCT-DCG in an upright position. The first five subjects were scanned using the scanning FOV of 11 × 10 cm (Group A), then 8 × 8 cm (Group B), and the last five subjects 5 × 5.5 cm (Group C). The image quality and diagnostic validity of different groups were evaluated by two experienced otolaryngologists. The effective dose of each group was calculated and compared.
Results
All images showed good delineation of the LDS and its surrounding structures. With regard to the image quality and diagnostic validity, no differences were found among different groups. Compared with Group A, the effective radiation dose for Group B (38.40 μSv) was 38.54% lower and that for Group C (17.12 μSv) was 72.60% lower.
Conclusions
A substantial reduction of the effective dose for CBCT-DCG in healthy volunteer by decreasing FOV is possible without compromising the diagnostic capability. CBCT-DCG is a potential valid first-line imaging test for the evaluation of LDS, and it permits functional assessment of lacrimal drainage. |
| doi_str_mv | 10.1007/s11547-020-01227-6 |
| format | Article |
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Cone beam CT dacryocystography (CBCT-DCG) is a new imaging technique for assessing the lacrimal drainage system (LDS). The purpose of this pilot study is to compare the diagnostic capability and radiation dose of CBCT-DCG in different scanning fields of view (FOV) to evaluate the possibilities of the reduction of radiation dose.
Methods
Fifteen healthy volunteers underwent CBCT-DCG in an upright position. The first five subjects were scanned using the scanning FOV of 11 × 10 cm (Group A), then 8 × 8 cm (Group B), and the last five subjects 5 × 5.5 cm (Group C). The image quality and diagnostic validity of different groups were evaluated by two experienced otolaryngologists. The effective dose of each group was calculated and compared.
Results
All images showed good delineation of the LDS and its surrounding structures. With regard to the image quality and diagnostic validity, no differences were found among different groups. Compared with Group A, the effective radiation dose for Group B (38.40 μSv) was 38.54% lower and that for Group C (17.12 μSv) was 72.60% lower.
Conclusions
A substantial reduction of the effective dose for CBCT-DCG in healthy volunteer by decreasing FOV is possible without compromising the diagnostic capability. CBCT-DCG is a potential valid first-line imaging test for the evaluation of LDS, and it permits functional assessment of lacrimal drainage.</description><identifier>ISSN: 0033-8362</identifier><identifier>EISSN: 1826-6983</identifier><identifier>DOI: 10.1007/s11547-020-01227-6</identifier><identifier>PMID: 32458271</identifier><language>eng</language><publisher>Milan: Springer Milan</publisher><subject>Adult ; Computed Tomography ; Cone-Beam Computed Tomography - methods ; Diagnostic Radiology ; Diagnostic systems ; Drainage systems ; Evaluation ; Female ; Healthy Volunteers ; Humans ; Image quality ; Imaging ; Imaging techniques ; Interventional Radiology ; Lacrimal Apparatus - diagnostic imaging ; Male ; Medical imaging ; Medicine ; Medicine & Public Health ; Neuroradiology ; Pilot Projects ; Radiation Dosage ; Radiology ; Reduction ; Scanning ; Ultrasound</subject><ispartof>Radiologia medica, 2021-01, Vol.126 (1), p.47-54</ispartof><rights>Italian Society of Medical Radiology 2020</rights><rights>Italian Society of Medical Radiology 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-157b177e5ae996ee175513528366c12cf13ed9c20a556833f905674ad7c3517d3</citedby><cites>FETCH-LOGICAL-c441t-157b177e5ae996ee175513528366c12cf13ed9c20a556833f905674ad7c3517d3</cites><orcidid>0000-0002-6021-0224</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11547-020-01227-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11547-020-01227-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32458271$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Zhaoyue</creatorcontrib><creatorcontrib>Wang, Jianzhong</creatorcontrib><title>Diagnostic capability and radiation dose of cone beam CT dacryocystography in different scanning fields of view in healthy volunteers</title><title>Radiologia medica</title><addtitle>Radiol med</addtitle><addtitle>Radiol Med</addtitle><description>Objectives
Cone beam CT dacryocystography (CBCT-DCG) is a new imaging technique for assessing the lacrimal drainage system (LDS). The purpose of this pilot study is to compare the diagnostic capability and radiation dose of CBCT-DCG in different scanning fields of view (FOV) to evaluate the possibilities of the reduction of radiation dose.
Methods
Fifteen healthy volunteers underwent CBCT-DCG in an upright position. The first five subjects were scanned using the scanning FOV of 11 × 10 cm (Group A), then 8 × 8 cm (Group B), and the last five subjects 5 × 5.5 cm (Group C). The image quality and diagnostic validity of different groups were evaluated by two experienced otolaryngologists. The effective dose of each group was calculated and compared.
Results
All images showed good delineation of the LDS and its surrounding structures. With regard to the image quality and diagnostic validity, no differences were found among different groups. Compared with Group A, the effective radiation dose for Group B (38.40 μSv) was 38.54% lower and that for Group C (17.12 μSv) was 72.60% lower.
Conclusions
A substantial reduction of the effective dose for CBCT-DCG in healthy volunteer by decreasing FOV is possible without compromising the diagnostic capability. CBCT-DCG is a potential valid first-line imaging test for the evaluation of LDS, and it permits functional assessment of lacrimal drainage.</description><subject>Adult</subject><subject>Computed Tomography</subject><subject>Cone-Beam Computed Tomography - methods</subject><subject>Diagnostic Radiology</subject><subject>Diagnostic systems</subject><subject>Drainage systems</subject><subject>Evaluation</subject><subject>Female</subject><subject>Healthy Volunteers</subject><subject>Humans</subject><subject>Image quality</subject><subject>Imaging</subject><subject>Imaging techniques</subject><subject>Interventional Radiology</subject><subject>Lacrimal Apparatus - diagnostic imaging</subject><subject>Male</subject><subject>Medical imaging</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Neuroradiology</subject><subject>Pilot Projects</subject><subject>Radiation Dosage</subject><subject>Radiology</subject><subject>Reduction</subject><subject>Scanning</subject><subject>Ultrasound</subject><issn>0033-8362</issn><issn>1826-6983</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kbuOFDEQRS0EYoeFHyBAlkhIGlx-dodoeEorkSyx5bGrZ73qsQe7e1F_AP-Nh1lAIiByUOfecukQ8hzYa2DMvKkASpqOcdYx4Nx0-gHZQM91p4dePCQbxoToeqH5BXlS6y1jkgEbHpMLwaXquYEN-fEuun3KdY6eend0uzjFeaUuBVpciG6OOdGQK9I8Up8T0h26A91e0-B8WbNf65z3xR1vVhobGccRC6aZVu9SimlPx4hTqKf4XcTvJ-gG3TQ3_i5PS5oRS31KHo1uqvjs_r0kXz-8v95-6q6-fPy8fXvVeSlh7kCZHRiDyuEwaEQwSoFQvJ2oPXA_gsAweM6cUroXYhyY0ka6YLxQYIK4JK_OvceSvy1YZ3uI1eM0uYR5qZZLZgQozXhDX_6D3ualpPa7RvVGSsN72Sh-pnzJtRYc7bHEgyurBWZPkuxZkm2S7C9JVrfQi_vqZXfA8Cfy20oDxBmobZT2WP7u_k_tT55AnRw</recordid><startdate>20210101</startdate><enddate>20210101</enddate><creator>Chen, Zhaoyue</creator><creator>Wang, Jianzhong</creator><general>Springer Milan</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6021-0224</orcidid></search><sort><creationdate>20210101</creationdate><title>Diagnostic capability and radiation dose of cone beam CT dacryocystography in different scanning fields of view in healthy volunteers</title><author>Chen, Zhaoyue ; Wang, Jianzhong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-157b177e5ae996ee175513528366c12cf13ed9c20a556833f905674ad7c3517d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adult</topic><topic>Computed Tomography</topic><topic>Cone-Beam Computed Tomography - methods</topic><topic>Diagnostic Radiology</topic><topic>Diagnostic systems</topic><topic>Drainage systems</topic><topic>Evaluation</topic><topic>Female</topic><topic>Healthy Volunteers</topic><topic>Humans</topic><topic>Image quality</topic><topic>Imaging</topic><topic>Imaging techniques</topic><topic>Interventional Radiology</topic><topic>Lacrimal Apparatus - diagnostic imaging</topic><topic>Male</topic><topic>Medical imaging</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Neuroradiology</topic><topic>Pilot Projects</topic><topic>Radiation Dosage</topic><topic>Radiology</topic><topic>Reduction</topic><topic>Scanning</topic><topic>Ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Zhaoyue</creatorcontrib><creatorcontrib>Wang, Jianzhong</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Radiologia medica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Zhaoyue</au><au>Wang, Jianzhong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diagnostic capability and radiation dose of cone beam CT dacryocystography in different scanning fields of view in healthy volunteers</atitle><jtitle>Radiologia medica</jtitle><stitle>Radiol med</stitle><addtitle>Radiol Med</addtitle><date>2021-01-01</date><risdate>2021</risdate><volume>126</volume><issue>1</issue><spage>47</spage><epage>54</epage><pages>47-54</pages><issn>0033-8362</issn><eissn>1826-6983</eissn><abstract>Objectives
Cone beam CT dacryocystography (CBCT-DCG) is a new imaging technique for assessing the lacrimal drainage system (LDS). The purpose of this pilot study is to compare the diagnostic capability and radiation dose of CBCT-DCG in different scanning fields of view (FOV) to evaluate the possibilities of the reduction of radiation dose.
Methods
Fifteen healthy volunteers underwent CBCT-DCG in an upright position. The first five subjects were scanned using the scanning FOV of 11 × 10 cm (Group A), then 8 × 8 cm (Group B), and the last five subjects 5 × 5.5 cm (Group C). The image quality and diagnostic validity of different groups were evaluated by two experienced otolaryngologists. The effective dose of each group was calculated and compared.
Results
All images showed good delineation of the LDS and its surrounding structures. With regard to the image quality and diagnostic validity, no differences were found among different groups. Compared with Group A, the effective radiation dose for Group B (38.40 μSv) was 38.54% lower and that for Group C (17.12 μSv) was 72.60% lower.
Conclusions
A substantial reduction of the effective dose for CBCT-DCG in healthy volunteer by decreasing FOV is possible without compromising the diagnostic capability. CBCT-DCG is a potential valid first-line imaging test for the evaluation of LDS, and it permits functional assessment of lacrimal drainage.</abstract><cop>Milan</cop><pub>Springer Milan</pub><pmid>32458271</pmid><doi>10.1007/s11547-020-01227-6</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-6021-0224</orcidid></addata></record> |
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| subjects | Adult Computed Tomography Cone-Beam Computed Tomography - methods Diagnostic Radiology Diagnostic systems Drainage systems Evaluation Female Healthy Volunteers Humans Image quality Imaging Imaging techniques Interventional Radiology Lacrimal Apparatus - diagnostic imaging Male Medical imaging Medicine Medicine & Public Health Neuroradiology Pilot Projects Radiation Dosage Radiology Reduction Scanning Ultrasound |
| title | Diagnostic capability and radiation dose of cone beam CT dacryocystography in different scanning fields of view in healthy volunteers |
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