MR-PET co-registration in upper abdominal imaging: quantitative comparison of two different T1-weighted gradient echo sequences: initial observations
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| 024 | 7 | 0 | |a 10.1007/s00261-015-0460-6 |2 doi |
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| 245 | 0 | 0 | |a MR-PET co-registration in upper abdominal imaging: quantitative comparison of two different T1-weighted gradient echo sequences: initial observations |h [Elektronische Daten] |c [Miguel Ramalho, Mamdoh AlObaidy, Lauren Burke, Brian Dale, Kiran Busireddy, Terence Wong, Abdulaziz AlSugair, Richard Semelka] |
| 520 | 3 | |a Purpose: The purpose of this study is to quantitatively compare the accuracy of spatial registration of Cartesian breath-hold 3D-GRE and non-respiratory-triggered free-breathing radial 3D-GRE images with PET data acquisition on whole-body hybrid MR-PET system. Materials and methods: Eight patients (six men and two women; mean age, 56.6±5.5 years) with nine ablated hepatocellular carcinomas constituted our study population. Spatial coordinates (x, y, z) of the estimated isocenters of the ablated areas were independently determined by two radiologists. Both T1-weighted sequences were performed in the axial plane. Distance between the isocenter of the lesion on PET images and on both T1-weighted images was measured, and misregistration was calculated. Statistical analysis was performed using Student t test. Results: Misalignment values of the hepatic ablation zones between PET and MR images were calculated at 4.94±1.35 mm (reader 1) and 4.89±2.21 mm (reader 2) for Cartesian 3D-GRE sequence, and 2.48±0.65 mm (reader 1) and 2.72±0.44 mm (reader 2) for the radial 3D-GRE sequence, with p values of 0.0011 and 0.0133, respectively. Conclusion: Radial 3D-GRE offers improved registration accuracy with PET, supporting the use of this T1-weighted sequence in upper abdominal MR-PET studies. | |
| 540 | |a Springer Science+Business Media New York, 2015 | ||
| 690 | 7 | |a MR-PET |2 nationallicence | |
| 690 | 7 | |a Registration |2 nationallicence | |
| 690 | 7 | |a Alignment |2 nationallicence | |
| 690 | 7 | |a Radial |2 nationallicence | |
| 690 | 7 | |a Cartesian |2 nationallicence | |
| 690 | 7 | |a 3D-GRE |2 nationallicence | |
| 700 | 1 | |a Ramalho |D Miguel |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 700 | 1 | |a AlObaidy |D Mamdoh |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 700 | 1 | |a Burke |D Lauren |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 700 | 1 | |a Dale |D Brian |u Siemens Medical Solution, Cary, NC, USA |4 aut | |
| 700 | 1 | |a Busireddy |D Kiran |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 700 | 1 | |a Wong |D Terence |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 700 | 1 | |a AlSugair |D Abdulaziz |u Department of Radiology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia |4 aut | |
| 700 | 1 | |a Semelka |D Richard |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | |
| 773 | 0 | |t Abdominal Imaging |d Springer US; http://www.springer-ny.com |g 40/6(2015-08-01), 1426-1431 |x 0942-8925 |q 40:6<1426 |1 2015 |2 40 |o 261 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00261-015-0460-6 |q text/html |z Onlinezugriff via DOI |
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| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
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| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00261-015-0460-6 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Ramalho |D Miguel |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a AlObaidy |D Mamdoh |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Burke |D Lauren |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Dale |D Brian |u Siemens Medical Solution, Cary, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Busireddy |D Kiran |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Wong |D Terence |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a AlSugair |D Abdulaziz |u Department of Radiology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Semelka |D Richard |u Department of Radiology, University Of North Carolina at Chapel Hill, Old Clinic Bldg., CB 7510 - 2001, 27599-7510, Chapel Hill, NC, USA |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Abdominal Imaging |d Springer US; http://www.springer-ny.com |g 40/6(2015-08-01), 1426-1431 |x 0942-8925 |q 40:6<1426 |1 2015 |2 40 |o 261 | ||