Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo
Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an inj...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Fujinaga, Yasunari [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2012 |
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| Schlagwörter: |
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| Anmerkung: |
© Japan Radiological Society 2012 |
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| Übergeordnetes Werk: |
Enthalten in: Radiation medicine - Tokyo : Springer, 1999, 31(2012), 3 vom: 20. Nov., Seite 166-171 |
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| Übergeordnetes Werk: |
volume:31 ; year:2012 ; number:3 ; day:20 ; month:11 ; pages:166-171 |
| Links: |
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| DOI / URN: |
10.1007/s11604-012-0162-8 |
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| Katalog-ID: |
SPR021034818 |
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| 100 | 1 | |a Fujinaga, Yasunari |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo |
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| 520 | |a Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. | ||
| 650 | 4 | |a Magnetic resonance imaging |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Time-intensity curve |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Gd-DTPA |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Gd-EOB-DTPA |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Ringing artifact |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Ueda, Hitoshi |4 aut | |
| 700 | 1 | |a Kitou, Yoshihiro |4 aut | |
| 700 | 1 | |a Tsukahara, Yoshinori |4 aut | |
| 700 | 1 | |a Sugiyama, Yukiko |4 aut | |
| 700 | 1 | |a Kadoya, Masumi |4 aut | |
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10.1007/s11604-012-0162-8 doi (DE-627)SPR021034818 (SPR)s11604-012-0162-8-e DE-627 ger DE-627 rakwb eng Fujinaga, Yasunari verfasserin aut Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japan Radiological Society 2012 Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 Ueda, Hitoshi aut Kitou, Yoshihiro aut Tsukahara, Yoshinori aut Sugiyama, Yukiko aut Kadoya, Masumi aut Enthalten in Radiation medicine Tokyo : Springer, 1999 31(2012), 3 vom: 20. Nov., Seite 166-171 (DE-627)368312305 (DE-600)2117284-5 1862-5274 nnns volume:31 year:2012 number:3 day:20 month:11 pages:166-171 https://dx.doi.org/10.1007/s11604-012-0162-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 31 2012 3 20 11 166-171 |
| spelling |
10.1007/s11604-012-0162-8 doi (DE-627)SPR021034818 (SPR)s11604-012-0162-8-e DE-627 ger DE-627 rakwb eng Fujinaga, Yasunari verfasserin aut Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japan Radiological Society 2012 Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 Ueda, Hitoshi aut Kitou, Yoshihiro aut Tsukahara, Yoshinori aut Sugiyama, Yukiko aut Kadoya, Masumi aut Enthalten in Radiation medicine Tokyo : Springer, 1999 31(2012), 3 vom: 20. Nov., Seite 166-171 (DE-627)368312305 (DE-600)2117284-5 1862-5274 nnns volume:31 year:2012 number:3 day:20 month:11 pages:166-171 https://dx.doi.org/10.1007/s11604-012-0162-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 31 2012 3 20 11 166-171 |
| allfields_unstemmed |
10.1007/s11604-012-0162-8 doi (DE-627)SPR021034818 (SPR)s11604-012-0162-8-e DE-627 ger DE-627 rakwb eng Fujinaga, Yasunari verfasserin aut Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japan Radiological Society 2012 Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 Ueda, Hitoshi aut Kitou, Yoshihiro aut Tsukahara, Yoshinori aut Sugiyama, Yukiko aut Kadoya, Masumi aut Enthalten in Radiation medicine Tokyo : Springer, 1999 31(2012), 3 vom: 20. Nov., Seite 166-171 (DE-627)368312305 (DE-600)2117284-5 1862-5274 nnns volume:31 year:2012 number:3 day:20 month:11 pages:166-171 https://dx.doi.org/10.1007/s11604-012-0162-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 31 2012 3 20 11 166-171 |
| allfieldsGer |
10.1007/s11604-012-0162-8 doi (DE-627)SPR021034818 (SPR)s11604-012-0162-8-e DE-627 ger DE-627 rakwb eng Fujinaga, Yasunari verfasserin aut Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japan Radiological Society 2012 Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 Ueda, Hitoshi aut Kitou, Yoshihiro aut Tsukahara, Yoshinori aut Sugiyama, Yukiko aut Kadoya, Masumi aut Enthalten in Radiation medicine Tokyo : Springer, 1999 31(2012), 3 vom: 20. Nov., Seite 166-171 (DE-627)368312305 (DE-600)2117284-5 1862-5274 nnns volume:31 year:2012 number:3 day:20 month:11 pages:166-171 https://dx.doi.org/10.1007/s11604-012-0162-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 31 2012 3 20 11 166-171 |
| allfieldsSound |
10.1007/s11604-012-0162-8 doi (DE-627)SPR021034818 (SPR)s11604-012-0162-8-e DE-627 ger DE-627 rakwb eng Fujinaga, Yasunari verfasserin aut Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japan Radiological Society 2012 Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 Ueda, Hitoshi aut Kitou, Yoshihiro aut Tsukahara, Yoshinori aut Sugiyama, Yukiko aut Kadoya, Masumi aut Enthalten in Radiation medicine Tokyo : Springer, 1999 31(2012), 3 vom: 20. Nov., Seite 166-171 (DE-627)368312305 (DE-600)2117284-5 1862-5274 nnns volume:31 year:2012 number:3 day:20 month:11 pages:166-171 https://dx.doi.org/10.1007/s11604-012-0162-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 AR 31 2012 3 20 11 166-171 |
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Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Magnetic resonance imaging</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Time-intensity curve</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Gd-DTPA</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Gd-EOB-DTPA</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ringing artifact</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ueda, Hitoshi</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kitou, Yoshihiro</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tsukahara, Yoshinori</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sugiyama, Yukiko</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kadoya, Masumi</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Radiation medicine</subfield><subfield code="d">Tokyo : Springer, 1999</subfield><subfield code="g">31(2012), 3 vom: 20. 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Fujinaga, Yasunari |
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Fujinaga, Yasunari misc Magnetic resonance imaging misc Time-intensity curve misc Gd-DTPA misc Gd-EOB-DTPA misc Ringing artifact Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo |
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Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo Magnetic resonance imaging (dpeaa)DE-He213 Time-intensity curve (dpeaa)DE-He213 Gd-DTPA (dpeaa)DE-He213 Gd-EOB-DTPA (dpeaa)DE-He213 Ringing artifact (dpeaa)DE-He213 |
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misc Magnetic resonance imaging misc Time-intensity curve misc Gd-DTPA misc Gd-EOB-DTPA misc Ringing artifact |
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misc Magnetic resonance imaging misc Time-intensity curve misc Gd-DTPA misc Gd-EOB-DTPA misc Ringing artifact |
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misc Magnetic resonance imaging misc Time-intensity curve misc Gd-DTPA misc Gd-EOB-DTPA misc Ringing artifact |
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Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo |
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Fujinaga, Yasunari Ueda, Hitoshi Kitou, Yoshihiro Tsukahara, Yoshinori Sugiyama, Yukiko Kadoya, Masumi |
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time-intensity curve in the abdominal aorta on dynamic contrast-enhanced mri with high temporal and spatial resolution: gd-eob-dtpa versus gd-dtpa in vivo |
| title_auth |
Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo |
| abstract |
Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. © Japan Radiological Society 2012 |
| abstractGer |
Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. © Japan Radiological Society 2012 |
| abstract_unstemmed |
Purpose To evaluate the difference in the time-intensity curves (TICs) of the abdominal aorta on dynamic contrast-enhanced MRI (DCE-MRI) between Gd-DTPA and Gd-EOB-DTPA. Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group. © Japan Radiological Society 2012 |
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Time-intensity curve in the abdominal aorta on dynamic contrast-enhanced MRI with high temporal and spatial resolution: Gd-EOB-DTPA versus Gd-DTPA in vivo |
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Materials and methods Ten healthy volunteers underwent DCE-MRI three times with the following protocol: group A, Gd-DTPA at an injection rate of 3 ml/s; group B, Gd-EOB-DTPA, 3 ml/s; group C, Gd-EOB-DTPA, 1.5 ml/s. Signal intensities (SIs) of the abdominal aorta were measured, and the contrast enhancement ratio (CER) was calculated. Time-to-CER curves were compared among the three groups. The differences in maximum CER ($ CER_{max} $) and time-to-peak of CER were analyzed. Results The time-to-CER curve showed a double peak pattern in group A and single-peak pattern in groups B and C. The mean time between the first and the second peak was 6.2 s. The mean $ CER_{max} $ of each group was 4.50, 4.52 and 4.27, respectively. In group A, B and C, the mean time-to-peak was 14.6, 10.6 and 12.6 s, respectively. There was a significant difference between group A and B (P < 0.01). Conclusion To set up the optimal protocol for abdominal DCE-MRI, it should be noted that TIC in the Gd-DTPA and Gd-EOB-DTPA group showed different patterns, and a slower injection rate showed a less abrupt SI change in the Gd-EOB-DTPA group than in the Gd-DTPA group.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Magnetic resonance imaging</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Time-intensity curve</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Gd-DTPA</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Gd-EOB-DTPA</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Ringing artifact</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ueda, Hitoshi</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kitou, Yoshihiro</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tsukahara, Yoshinori</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sugiyama, Yukiko</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kadoya, Masumi</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Radiation medicine</subfield><subfield code="d">Tokyo : Springer, 1999</subfield><subfield code="g">31(2012), 3 vom: 20. 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