Simultaneous 68Ga-DOTA-TOC PET/MRI with gadoxetate disodium in patients with neuroendocrine tumor

Verfasser / Beitragende:
[Thomas Hope, Miguel Pampaloni, Eric Nakakura, Henry VanBrocklin, James Slater, Salma Jivan, Carina Aparici, Judy Yee, Emily Bergsland]
Ort, Verlag, Jahr:
2015
Enthalten in:
Abdominal Imaging, 40/6(2015-08-01), 1432-1440
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00261-015-0409-9  |2 doi 
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245 0 0 |a Simultaneous 68Ga-DOTA-TOC PET/MRI with gadoxetate disodium in patients with neuroendocrine tumor  |h [Elektronische Daten]  |c [Thomas Hope, Miguel Pampaloni, Eric Nakakura, Henry VanBrocklin, James Slater, Salma Jivan, Carina Aparici, Judy Yee, Emily Bergsland] 
520 3 |a Objective: To evaluate a simultaneous PET/MRI approach to imaging patients with neuroendocrine tumor using a combination of 68Ga-DOTA-TOC as a PET contrast agent and gadoxetate disodium as a hepatobiliary MRI contrast agent. Materials and methods: Ten patients with neuroendocrine tumor with known or suspected hepatic disease were imaged using a 68Ga-DOTA-TOC PET/CT immediately followed by a 3.0T time-of-flight PET/MRI, using a combined whole body and liver specific imaging. The presence of lesions and DOTA-TOC avidity were assessed on CT, PET from PET/CT, diffusion weighted imaging, hepatobiliary phase imaging (HBP), and PET from PET/MRI. Maximum standardized uptake values (SUVmax) in hepatic lesions and nodal metastases were compared between PET/CT and PET/MRI, as were detection rates using each imaging approach. Results: A total of 101 hepatic lesions were identified, 47 of which were DOTA-TOC avid and able to be individually measured on both PET/CT and PET/MRI. HBP imaging had a higher sensitivity for detection of hepatic lesions compared to CT or PET (99% vs. 46% and 64%, respectively; p values <0.001). There was a strong correlation between SUVmax of liver lesions obtained with PET/CT compared to PET/MR imaging (Pearson's correlation=0.91). For nodal disease, CT had a higher sensitivity compared to whole body MRI (p=0.015), although PET acquired from PET/MRI detected slightly more lesions compared to PET from PET/CT. Conclusions: A simultaneous PET/MRI using both 68Ga-DOTA-TOC and gadoxetate disodium was successful in whole body staging of patients with neuroendocrine tumor. HBP imaging had an increased detection rate for hepatic metastases. 
540 |a Springer Science+Business Media New York (outside the USA), 2015 
690 7 |a Neuroendocrine tumor  |2 nationallicence 
690 7 |a Hepatobiliary agents  |2 nationallicence 
690 7 |a PET/MRI  |2 nationallicence 
690 7 |a Ga-68 DOTA-TOC  |2 nationallicence 
700 1 |a Hope  |D Thomas  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Pampaloni  |D Miguel  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Nakakura  |D Eric  |u Division of Surgical Oncology, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA  |4 aut 
700 1 |a VanBrocklin  |D Henry  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Slater  |D James  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Jivan  |D Salma  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Aparici  |D Carina  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Yee  |D Judy  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
700 1 |a Bergsland  |D Emily  |u Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA  |4 aut 
773 0 |t Abdominal Imaging  |d Springer US; http://www.springer-ny.com  |g 40/6(2015-08-01), 1432-1440  |x 0942-8925  |q 40:6<1432  |1 2015  |2 40  |o 261 
856 4 0 |u https://doi.org/10.1007/s00261-015-0409-9  |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 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00261-015-0409-9  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hope  |D Thomas  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Pampaloni  |D Miguel  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nakakura  |D Eric  |u Division of Surgical Oncology, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a VanBrocklin  |D Henry  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Slater  |D James  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Jivan  |D Salma  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Aparici  |D Carina  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Yee  |D Judy  |u Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue - 0628, 94143-0628, San Francisco, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bergsland  |D Emily  |u Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, 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), 1432-1440  |x 0942-8925  |q 40:6<1432  |1 2015  |2 40  |o 261