Kinetic metrics of 18F-FDG in normal human organs identified by systematic dynamic total-body positron emission tomography

Purpose To investigate the kinetic metrics of 2-[ 18 F]-fluoro-2-deoxy- d -glucose ( 18 F-FDG) in normal organs by using dynamic total-body (TB) positron emission tomography (PET). Methods Dynamic TB-PET was performed for nine healthy volunteers. Time-to-activity curves (TACs) were obtained by drawi...

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Veröffentlicht in:European journal of nuclear medicine and molecular imaging 2021-07, Vol.48 (8), p.2363-2372
Hauptverfasser: Liu, Guobing, Xu, Hongrong, Hu, Pengcheng, Tan, Hui, Zhang, Yiqiu, Yu, Haojun, Li, Xuening, Shi, Hongcheng
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container_title European journal of nuclear medicine and molecular imaging
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creator Liu, Guobing
Xu, Hongrong
Hu, Pengcheng
Tan, Hui
Zhang, Yiqiu
Yu, Haojun
Li, Xuening
Shi, Hongcheng
description Purpose To investigate the kinetic metrics of 2-[ 18 F]-fluoro-2-deoxy- d -glucose ( 18 F-FDG) in normal organs by using dynamic total-body (TB) positron emission tomography (PET). Methods Dynamic TB-PET was performed for nine healthy volunteers. Time-to-activity curves (TACs) were obtained by drawing regions of interest in the organs. A two-tissue compartment model was fitted for each tissue TAC. Constant rates, including k 1 , k 2 , and k 3 , and the metabolic rate of FDG (MRFDG) were obtained. The parameter statistics, including the average, standard deviation, coefficient of variance, and inter-site and inter-individual variances, were compared. Results Constant rates and MRFDG varied significantly among organs and subjects, but not among sides or sub-regions within an organ. The mean k 1 and k 2 ranged from 0.0158 min −1 in the right lower lung to 1.1883 min −1 in the anterior wall of the left ventricle (LV) myocardium and from 0.1116 min −1 in the left parietal white matter to 4.6272 min −1 in the left thyroid, respectively. The k 3 was lowest in the right upper area of the liver and highest in the septal wall of the LV myocardium. Mean MRFDG ranged from 23.1696 μmol/100 g/min in the parietal cortex to 0.5945 μmol/100 g/min in the lung. Four groups of organs with similar kinetic characteristics were identified: (1) the cerebral white matter, lung, liver, muscle, bone, and bone marrow; (2) cerebral and cerebellar cortex; (3) LV myocardium and thyroid; and (4) pancreas, spleen, and kidney. Conclusion The kinetic rates and MRFDG significantly differed among organs. The kinetic metrics of FDG parameters in normal organs can serve as a reference for future dynamic PET imaging and research.
doi_str_mv 10.1007/s00259-020-05124-y
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Methods Dynamic TB-PET was performed for nine healthy volunteers. Time-to-activity curves (TACs) were obtained by drawing regions of interest in the organs. A two-tissue compartment model was fitted for each tissue TAC. Constant rates, including k 1 , k 2 , and k 3 , and the metabolic rate of FDG (MRFDG) were obtained. The parameter statistics, including the average, standard deviation, coefficient of variance, and inter-site and inter-individual variances, were compared. Results Constant rates and MRFDG varied significantly among organs and subjects, but not among sides or sub-regions within an organ. The mean k 1 and k 2 ranged from 0.0158 min −1 in the right lower lung to 1.1883 min −1 in the anterior wall of the left ventricle (LV) myocardium and from 0.1116 min −1 in the left parietal white matter to 4.6272 min −1 in the left thyroid, respectively. The k 3 was lowest in the right upper area of the liver and highest in the septal wall of the LV myocardium. Mean MRFDG ranged from 23.1696 μmol/100 g/min in the parietal cortex to 0.5945 μmol/100 g/min in the lung. Four groups of organs with similar kinetic characteristics were identified: (1) the cerebral white matter, lung, liver, muscle, bone, and bone marrow; (2) cerebral and cerebellar cortex; (3) LV myocardium and thyroid; and (4) pancreas, spleen, and kidney. Conclusion The kinetic rates and MRFDG significantly differed among organs. The kinetic metrics of FDG parameters in normal organs can serve as a reference for future dynamic PET imaging and research.</description><identifier>ISSN: 1619-7070</identifier><identifier>EISSN: 1619-7089</identifier><identifier>DOI: 10.1007/s00259-020-05124-y</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bone marrow ; Cardiology ; Cerebellum ; Cortex (parietal) ; Emission analysis ; Fluorine isotopes ; Glucose ; Imaging ; Liver ; Lungs ; Mean ; Medicine ; Medicine &amp; Public Health ; Metabolic rate ; Muscles ; Myocardium ; Neuroimaging ; Nuclear Medicine ; Oncology ; Organs ; Original Article ; Orthopedics ; Pancreas ; Parameters ; Positron emission ; Positron emission tomography ; Radiology ; Radiopharmacy ; Spleen ; Substantia alba ; Thyroid ; Thyroid gland ; Tomography ; Ventricle</subject><ispartof>European journal of nuclear medicine and molecular imaging, 2021-07, Vol.48 (8), p.2363-2372</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2021</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c282t-d5361ccf9b74e3dc5fc2a2ab1df86526190345afc9c7231622d0f00db6a087833</citedby><cites>FETCH-LOGICAL-c282t-d5361ccf9b74e3dc5fc2a2ab1df86526190345afc9c7231622d0f00db6a087833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00259-020-05124-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00259-020-05124-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Liu, Guobing</creatorcontrib><creatorcontrib>Xu, Hongrong</creatorcontrib><creatorcontrib>Hu, Pengcheng</creatorcontrib><creatorcontrib>Tan, Hui</creatorcontrib><creatorcontrib>Zhang, Yiqiu</creatorcontrib><creatorcontrib>Yu, Haojun</creatorcontrib><creatorcontrib>Li, Xuening</creatorcontrib><creatorcontrib>Shi, Hongcheng</creatorcontrib><title>Kinetic metrics of 18F-FDG in normal human organs identified by systematic dynamic total-body positron emission tomography</title><title>European journal of nuclear medicine and molecular imaging</title><addtitle>Eur J Nucl Med Mol Imaging</addtitle><description>Purpose To investigate the kinetic metrics of 2-[ 18 F]-fluoro-2-deoxy- d -glucose ( 18 F-FDG) in normal organs by using dynamic total-body (TB) positron emission tomography (PET). Methods Dynamic TB-PET was performed for nine healthy volunteers. Time-to-activity curves (TACs) were obtained by drawing regions of interest in the organs. A two-tissue compartment model was fitted for each tissue TAC. Constant rates, including k 1 , k 2 , and k 3 , and the metabolic rate of FDG (MRFDG) were obtained. The parameter statistics, including the average, standard deviation, coefficient of variance, and inter-site and inter-individual variances, were compared. Results Constant rates and MRFDG varied significantly among organs and subjects, but not among sides or sub-regions within an organ. The mean k 1 and k 2 ranged from 0.0158 min −1 in the right lower lung to 1.1883 min −1 in the anterior wall of the left ventricle (LV) myocardium and from 0.1116 min −1 in the left parietal white matter to 4.6272 min −1 in the left thyroid, respectively. The k 3 was lowest in the right upper area of the liver and highest in the septal wall of the LV myocardium. Mean MRFDG ranged from 23.1696 μmol/100 g/min in the parietal cortex to 0.5945 μmol/100 g/min in the lung. Four groups of organs with similar kinetic characteristics were identified: (1) the cerebral white matter, lung, liver, muscle, bone, and bone marrow; (2) cerebral and cerebellar cortex; (3) LV myocardium and thyroid; and (4) pancreas, spleen, and kidney. Conclusion The kinetic rates and MRFDG significantly differed among organs. 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Methods Dynamic TB-PET was performed for nine healthy volunteers. Time-to-activity curves (TACs) were obtained by drawing regions of interest in the organs. A two-tissue compartment model was fitted for each tissue TAC. Constant rates, including k 1 , k 2 , and k 3 , and the metabolic rate of FDG (MRFDG) were obtained. The parameter statistics, including the average, standard deviation, coefficient of variance, and inter-site and inter-individual variances, were compared. Results Constant rates and MRFDG varied significantly among organs and subjects, but not among sides or sub-regions within an organ. The mean k 1 and k 2 ranged from 0.0158 min −1 in the right lower lung to 1.1883 min −1 in the anterior wall of the left ventricle (LV) myocardium and from 0.1116 min −1 in the left parietal white matter to 4.6272 min −1 in the left thyroid, respectively. The k 3 was lowest in the right upper area of the liver and highest in the septal wall of the LV myocardium. Mean MRFDG ranged from 23.1696 μmol/100 g/min in the parietal cortex to 0.5945 μmol/100 g/min in the lung. Four groups of organs with similar kinetic characteristics were identified: (1) the cerebral white matter, lung, liver, muscle, bone, and bone marrow; (2) cerebral and cerebellar cortex; (3) LV myocardium and thyroid; and (4) pancreas, spleen, and kidney. Conclusion The kinetic rates and MRFDG significantly differed among organs. The kinetic metrics of FDG parameters in normal organs can serve as a reference for future dynamic PET imaging and research.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00259-020-05124-y</doi><tpages>10</tpages></addata></record>
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subjects Bone marrow
Cardiology
Cerebellum
Cortex (parietal)
Emission analysis
Fluorine isotopes
Glucose
Imaging
Liver
Lungs
Mean
Medicine
Medicine & Public Health
Metabolic rate
Muscles
Myocardium
Neuroimaging
Nuclear Medicine
Oncology
Organs
Original Article
Orthopedics
Pancreas
Parameters
Positron emission
Positron emission tomography
Radiology
Radiopharmacy
Spleen
Substantia alba
Thyroid
Thyroid gland
Tomography
Ventricle
title Kinetic metrics of 18F-FDG in normal human organs identified by systematic dynamic total-body positron emission tomography
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