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MR-lymphangiography at 3.0 T--a feasibility study.

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Title: MR-lymphangiography at 3.0 T--a feasibility study.
Authors: Notohamiprodjo M (AUTHOR), Baumeister RG (AUTHOR), Jakobs TF (AUTHOR), Bauner KU (AUTHOR), Boehm HF (AUTHOR), Horng A (AUTHOR), Reiser MF (AUTHOR), Glaser C (AUTHOR), Herrmann KA (AUTHOR), Notohamiprodjo, Mike1 (AUTHOR), Baumeister, Ruediger G H (AUTHOR), Jakobs, Tobias F (AUTHOR), Bauner, Kerstin U (AUTHOR), Boehm, Holger F (AUTHOR), Horng, Annie (AUTHOR), Reiser, Maximilian F (AUTHOR), Glaser, Christian (AUTHOR), Herrmann, Karin A (AUTHOR)
Source: European Radiology. Nov2009, Vol. 19 Issue 11, p2771-2778. 8p.
Abstract: The purpose of this study was to establish and evaluate contrast-enhanced MR-lymphangiography (MRL) at 3.0 T for detection and visualization of abnormalities of the peripheral lymphatic system. Sixteen patients were examined with a highly resolved isotropic T1w-3D-GRE-(FLASH) sequence (TR 3.76 ms/TE 1.45 ms/FA 30 degrees /voxel-size 0.8 x 0.8 x 0.8 mm(3)) at 3T after intracutaneous injection of gadolinium-diethylene-triamine-pentaacetic-acid. Two radiologists evaluated overall image quality, contrast between lymph vessels and background tissue, venous contamination, visualized levels, and fat-saturation-homogeneity on 3D maximum-intensity projections. Overall image quality was good to excellent, and all examinations were diagnostic except one, where contrast medium was injected subcutaneously instead of intracutaneously. Overall image quality was good to excellent in 12/16 cases, depiction of lymph vessels was good to excellent in 15/16 cases. Venous contamination was always present, but diagnostically problematical in only one case. Instant lymphatic drainage was observed in unaffected extremities, reaching the pelvic level after approximately 10 min. Lymphatic drainage was considerably delayed in lymphedematous extremities. Ectatic lymph vessels, entrapment, and diffuse drainage of contrast medium correlated with impaired lymphatic drainage. In conclusion, MRL at 3.0 T provides very high spatial resolution and anatomical detail of normal and abnormal peripheral lymph vessels. MRL may thus become a valuable tool for microsurgical treatment planning and monitoring. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: MR-lymphangiography at 3.0 T--a feasibility study.
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  Data: <searchLink fieldCode="AR" term="%22Notohamiprodjo+M%22">Notohamiprodjo M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baumeister+RG%22">Baumeister RG</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jakobs+TF%22">Jakobs TF</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bauner+KU%22">Bauner KU</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boehm+HF%22">Boehm HF</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Horng+A%22">Horng A</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reiser+MF%22">Reiser MF</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Glaser+C%22">Glaser C</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Herrmann+KA%22">Herrmann KA</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Notohamiprodjo%2C+Mike%22">Notohamiprodjo, Mike</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baumeister%2C+Ruediger+G+H%22">Baumeister, Ruediger G H</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jakobs%2C+Tobias+F%22">Jakobs, Tobias F</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bauner%2C+Kerstin+U%22">Bauner, Kerstin U</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boehm%2C+Holger+F%22">Boehm, Holger F</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Horng%2C+Annie%22">Horng, Annie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reiser%2C+Maximilian+F%22">Reiser, Maximilian F</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Glaser%2C+Christian%22">Glaser, Christian</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Herrmann%2C+Karin+A%22">Herrmann, Karin A</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Nov2009, Vol. 19 Issue 11, p2771-2778. 8p.
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  Data: The purpose of this study was to establish and evaluate contrast-enhanced MR-lymphangiography (MRL) at 3.0 T for detection and visualization of abnormalities of the peripheral lymphatic system. Sixteen patients were examined with a highly resolved isotropic T1w-3D-GRE-(FLASH) sequence (TR 3.76 ms/TE 1.45 ms/FA 30 degrees /voxel-size 0.8 x 0.8 x 0.8 mm(3)) at 3T after intracutaneous injection of gadolinium-diethylene-triamine-pentaacetic-acid. Two radiologists evaluated overall image quality, contrast between lymph vessels and background tissue, venous contamination, visualized levels, and fat-saturation-homogeneity on 3D maximum-intensity projections. Overall image quality was good to excellent, and all examinations were diagnostic except one, where contrast medium was injected subcutaneously instead of intracutaneously. Overall image quality was good to excellent in 12/16 cases, depiction of lymph vessels was good to excellent in 15/16 cases. Venous contamination was always present, but diagnostically problematical in only one case. Instant lymphatic drainage was observed in unaffected extremities, reaching the pelvic level after approximately 10 min. Lymphatic drainage was considerably delayed in lymphedematous extremities. Ectatic lymph vessels, entrapment, and diffuse drainage of contrast medium correlated with impaired lymphatic drainage. In conclusion, MRL at 3.0 T provides very high spatial resolution and anatomical detail of normal and abnormal peripheral lymph vessels. MRL may thus become a valuable tool for microsurgical treatment planning and monitoring. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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