MR imaging of the ankle at 3 Tesla and 1.5 Tesla: protocol optimization and application to cartilage, ligament and tendon pathology in cadaver specimens
The objective of this study was to optimize ankle joint MR imaging in volunteers at 1.5 Tesla (T) and 3.0 T, and to compare these optimized sequences concerning image quality and performance in assessing cartilage, ligament and tendon pathology in fresh human cadaver specimens. Initially our clinica...
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| Veröffentlicht in: | European radiology 2007-06, Vol.17 (6), p.1518-1528 |
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| creator | Barr, Cameron Bauer, Jan S Malfair, David Ma, Benjamin Henning, Tobias D Steinbach, Lynne Link, Thomas M |
| description | The objective of this study was to optimize ankle joint MR imaging in volunteers at 1.5 Tesla (T) and 3.0 T, and to compare these optimized sequences concerning image quality and performance in assessing cartilage, ligament and tendon pathology in fresh human cadaver specimens. Initially our clinical ankle protocol consisting of T1-weighted (-w), fat-saturated (fs) T2-w, and short tau inversion-recovery fast spinecho (FSE) sequences was optimized at 1.5 T and 3.0 T by two radiologists. For dedicated cartilage imaging, fs-intermediate (IM)-w FSE, fs spoiled gradient echo, and balanced free-precession steady-state sequences were optimized. Using the optimized sequences, thirteen cadaver ankle joints were imaged. Four radiologists independently assessed these images concerning image quality and pathology. All radiologists consistently rated image quality higher at 3.0 T (all sequences p |
| doi_str_mv | 10.1007/s00330-006-0446-4 |
| format | Article |
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Initially our clinical ankle protocol consisting of T1-weighted (-w), fat-saturated (fs) T2-w, and short tau inversion-recovery fast spinecho (FSE) sequences was optimized at 1.5 T and 3.0 T by two radiologists. For dedicated cartilage imaging, fs-intermediate (IM)-w FSE, fs spoiled gradient echo, and balanced free-precession steady-state sequences were optimized. Using the optimized sequences, thirteen cadaver ankle joints were imaged. Four radiologists independently assessed these images concerning image quality and pathology. All radiologists consistently rated image quality higher at 3.0 T (all sequences p<0.05). For detecting cartilage pathology, diagnostic performance was significantly higher at 3.0 T (ROC-values up to 0.93 vs. 0.77; p<0.05); the fs-IM FSE sequence showed highest values among the different sequences. Average sensitivity for detecting tendon pathology was 63% at 3.0 T vs. 41% at 1.5 T and was significantly higher at 3.0 T for 2 out of 4 radiologists (p<0.05). Compared to 1.5 T, imaging of the ankle joint at 3.0 T significantly improved image quality and diagnostic performance in assessing cartilage pathology.</description><identifier>ISSN: 0938-7994</identifier><identifier>EISSN: 1432-1084</identifier><identifier>DOI: 10.1007/s00330-006-0446-4</identifier><identifier>PMID: 17061070</identifier><language>eng</language><publisher>Germany: Springer Nature B.V</publisher><subject>Aged ; Aged, 80 and over ; Ankle ; Ankle Joint - pathology ; Cadaver ; Cadavers ; Cartilage ; Cartilage, Articular - pathology ; Female ; Human performance ; Humans ; Image Enhancement ; Image Interpretation, Computer-Assisted ; Image quality ; Joints (anatomy) ; Ligaments ; Ligaments - pathology ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Male ; Middle Aged ; Pathology ; Quality assessment ; ROC Curve ; Statistics, Nonparametric ; Tendons ; Tendons - pathology</subject><ispartof>European radiology, 2007-06, Vol.17 (6), p.1518-1528</ispartof><rights>Springer-Verlag 2006.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-51e6b6ec4f7c0c121b88b0e04cc33b0e421fd0870e9b53d8d32ffaef8922090a3</citedby><cites>FETCH-LOGICAL-c359t-51e6b6ec4f7c0c121b88b0e04cc33b0e421fd0870e9b53d8d32ffaef8922090a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17061070$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Barr, Cameron</creatorcontrib><creatorcontrib>Bauer, Jan S</creatorcontrib><creatorcontrib>Malfair, David</creatorcontrib><creatorcontrib>Ma, Benjamin</creatorcontrib><creatorcontrib>Henning, Tobias D</creatorcontrib><creatorcontrib>Steinbach, Lynne</creatorcontrib><creatorcontrib>Link, Thomas M</creatorcontrib><title>MR imaging of the ankle at 3 Tesla and 1.5 Tesla: protocol optimization and application to cartilage, ligament and tendon pathology in cadaver specimens</title><title>European radiology</title><addtitle>Eur Radiol</addtitle><description>The objective of this study was to optimize ankle joint MR imaging in volunteers at 1.5 Tesla (T) and 3.0 T, and to compare these optimized sequences concerning image quality and performance in assessing cartilage, ligament and tendon pathology in fresh human cadaver specimens. Initially our clinical ankle protocol consisting of T1-weighted (-w), fat-saturated (fs) T2-w, and short tau inversion-recovery fast spinecho (FSE) sequences was optimized at 1.5 T and 3.0 T by two radiologists. For dedicated cartilage imaging, fs-intermediate (IM)-w FSE, fs spoiled gradient echo, and balanced free-precession steady-state sequences were optimized. Using the optimized sequences, thirteen cadaver ankle joints were imaged. Four radiologists independently assessed these images concerning image quality and pathology. All radiologists consistently rated image quality higher at 3.0 T (all sequences p<0.05). For detecting cartilage pathology, diagnostic performance was significantly higher at 3.0 T (ROC-values up to 0.93 vs. 0.77; p<0.05); the fs-IM FSE sequence showed highest values among the different sequences. Average sensitivity for detecting tendon pathology was 63% at 3.0 T vs. 41% at 1.5 T and was significantly higher at 3.0 T for 2 out of 4 radiologists (p<0.05). Compared to 1.5 T, imaging of the ankle joint at 3.0 T significantly improved image quality and diagnostic performance in assessing cartilage pathology.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Ankle</subject><subject>Ankle Joint - pathology</subject><subject>Cadaver</subject><subject>Cadavers</subject><subject>Cartilage</subject><subject>Cartilage, Articular - pathology</subject><subject>Female</subject><subject>Human performance</subject><subject>Humans</subject><subject>Image Enhancement</subject><subject>Image Interpretation, Computer-Assisted</subject><subject>Image quality</subject><subject>Joints (anatomy)</subject><subject>Ligaments</subject><subject>Ligaments - pathology</subject><subject>Magnetic resonance imaging</subject><subject>Magnetic Resonance Imaging - methods</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Pathology</subject><subject>Quality assessment</subject><subject>ROC Curve</subject><subject>Statistics, Nonparametric</subject><subject>Tendons</subject><subject>Tendons - 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pathology</topic><topic>Cadaver</topic><topic>Cadavers</topic><topic>Cartilage</topic><topic>Cartilage, Articular - pathology</topic><topic>Female</topic><topic>Human performance</topic><topic>Humans</topic><topic>Image Enhancement</topic><topic>Image Interpretation, Computer-Assisted</topic><topic>Image quality</topic><topic>Joints (anatomy)</topic><topic>Ligaments</topic><topic>Ligaments - pathology</topic><topic>Magnetic resonance imaging</topic><topic>Magnetic Resonance Imaging - methods</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Pathology</topic><topic>Quality assessment</topic><topic>ROC Curve</topic><topic>Statistics, Nonparametric</topic><topic>Tendons</topic><topic>Tendons - pathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barr, Cameron</creatorcontrib><creatorcontrib>Bauer, Jan S</creatorcontrib><creatorcontrib>Malfair, David</creatorcontrib><creatorcontrib>Ma, Benjamin</creatorcontrib><creatorcontrib>Henning, Tobias D</creatorcontrib><creatorcontrib>Steinbach, Lynne</creatorcontrib><creatorcontrib>Link, Thomas M</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biological Science Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>Calcium & Calcified Tissue Abstracts</collection><jtitle>European radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barr, Cameron</au><au>Bauer, Jan S</au><au>Malfair, David</au><au>Ma, Benjamin</au><au>Henning, Tobias D</au><au>Steinbach, Lynne</au><au>Link, Thomas M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MR imaging of the ankle at 3 Tesla and 1.5 Tesla: protocol optimization and application to cartilage, ligament and tendon pathology in cadaver specimens</atitle><jtitle>European radiology</jtitle><addtitle>Eur Radiol</addtitle><date>2007-06-01</date><risdate>2007</risdate><volume>17</volume><issue>6</issue><spage>1518</spage><epage>1528</epage><pages>1518-1528</pages><issn>0938-7994</issn><eissn>1432-1084</eissn><abstract>The objective of this study was to optimize ankle joint MR imaging in volunteers at 1.5 Tesla (T) and 3.0 T, and to compare these optimized sequences concerning image quality and performance in assessing cartilage, ligament and tendon pathology in fresh human cadaver specimens. Initially our clinical ankle protocol consisting of T1-weighted (-w), fat-saturated (fs) T2-w, and short tau inversion-recovery fast spinecho (FSE) sequences was optimized at 1.5 T and 3.0 T by two radiologists. For dedicated cartilage imaging, fs-intermediate (IM)-w FSE, fs spoiled gradient echo, and balanced free-precession steady-state sequences were optimized. Using the optimized sequences, thirteen cadaver ankle joints were imaged. Four radiologists independently assessed these images concerning image quality and pathology. All radiologists consistently rated image quality higher at 3.0 T (all sequences p<0.05). For detecting cartilage pathology, diagnostic performance was significantly higher at 3.0 T (ROC-values up to 0.93 vs. 0.77; p<0.05); the fs-IM FSE sequence showed highest values among the different sequences. Average sensitivity for detecting tendon pathology was 63% at 3.0 T vs. 41% at 1.5 T and was significantly higher at 3.0 T for 2 out of 4 radiologists (p<0.05). Compared to 1.5 T, imaging of the ankle joint at 3.0 T significantly improved image quality and diagnostic performance in assessing cartilage pathology.</abstract><cop>Germany</cop><pub>Springer Nature B.V</pub><pmid>17061070</pmid><doi>10.1007/s00330-006-0446-4</doi><tpages>11</tpages></addata></record> |
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| subjects | Aged Aged, 80 and over Ankle Ankle Joint - pathology Cadaver Cadavers Cartilage Cartilage, Articular - pathology Female Human performance Humans Image Enhancement Image Interpretation, Computer-Assisted Image quality Joints (anatomy) Ligaments Ligaments - pathology Magnetic resonance imaging Magnetic Resonance Imaging - methods Male Middle Aged Pathology Quality assessment ROC Curve Statistics, Nonparametric Tendons Tendons - pathology |
| title | MR imaging of the ankle at 3 Tesla and 1.5 Tesla: protocol optimization and application to cartilage, ligament and tendon pathology in cadaver specimens |
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