Comparison of the clinical performance of upper abdominal PET/DCE-MRI with and without concurrent respiratory motion correction (MoCo)

被引：23

作者：

Catalano, Onofrio A. ^{[1
,2
]}

Umutlu, Lale ^{[3
]}

Fuin, Niccolo ^{[1
]}

Hibert, Matthew Louis ^{[1
]}

Scipioni, Michele ^{[4
]}

Pedemonte, Stefano ^{[1
]}

Vangel, Mark ^{[5
]}

Catana, Andreea Maria ^{[6
]}

Herrmann, Ken ^{[7
]}

Nensa, Felix ^{[3
]}

Groshar, David ^{[8
,9
]}

Mahmood, Umar ^{[1
]}

Rosen, Bruce R. ^{[1
]}

Catana, Ciprian ^{[1
]}

机构：

[1] Harvard Med Sch, Massachusetts Gen Hosp, Dept Radiol, Athinoula A Martinos Ctr Biomed Imaging, 149 13th St, Charlestown, MA 02129 USA

[2] Univ Naples Parthenope, Naples, Italy

[3] Univ Duisburg Essen, Dept Radiol, Essen, Germany

[4] Univ Pisa, Dept Informat Engn, Pisa, Italy

[5] Harvard Med Sch, Massachusetts Gen Hosp, Dept Biostat, Boston, MA USA

[6] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Div Gastroenterol Hepatol, Dept Med, Boston, MA USA

[7] Univ Duisburg Essen, Dept Nucl Med, Essen, Germany

[8] Tel Aviv Univ, Assuta Med Ctr, Sackler Sch Med, Tel Aviv, Israel

[9] Tel Aviv Univ, Rabin Med Ctr, Sackler Sch Med, Tel Aviv, Israel

来源：

EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING | 2018年 / 45卷 / 12期

关键词：

Respiratory motion correction; PET; MRI; Abdomen; Oncology; GRADIENT-ECHO-SEQUENCE; GADOXETATE DISODIUM; PET; IMPACT; 3D; ARTIFACT; LESIONS; TUMORS; VIBE;

D O I：

10.1007/s00259-018-4084-2

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

PurposeTo compare the clinical performance of upper abdominal PET/DCE-MRI with and without concurrent respiratory motion correction (MoCo).MethodsMoCo PET/DCE-MRI of the upper abdomen was acquired in 44 consecutive oncologic patients and compared with non-MoCo PET/MRI. SUVmax and MTV of FDG-avid upper abdominal malignant lesions were assessed on MoCo and non-MoCo PET images. Image quality was compared between MoCo DCE-MRI and non-MoCo CE-MRI, and between fused MoCo PET/MRI and fused non-MoCo PET/MRI images.ResultsMoCo PET resulted in higher SUVmax (10.85.45) than non-MoCo PET (9.62 +/- 5.42) and lower MTV (35.55 +/- 141.95cm(3)) than non-MoCo PET (38.11 +/- 198.14cm(3); p<0.005 for both). The quality of MoCo DCE-MRI images (4.73 +/- 0.5) was higher than that of non-MoCo CE-MRI images (4.53 +/- 0.71; p=0.037). The quality of fused MoCo-PET/MRI images (4.96 +/- 0.16) was higher than that of fused non-MoCo PET/MRI images (4.39 +/- 0.66; p<0.005).Conclusion p id="Par4 MoCo PET/MRI provided qualitatively better images than non-MoCo PET/MRI, and upper abdominal malignant lesions demonstrated higher SUVmax and lower MTV on MoCo PET/MRI.

引用

页码：2147 / 2154

页数：8

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