Abstract:
:(18)F-fluorodeoxyglucose (FDG) is the radiotracer used in the vast majority of positron emission tomography (PET) cancer studies. FDG is a powerful radiotracer that provides valuable data in many cancer types. Normal FDG biodistribution is easily identified. In the PET-only era, physiological uptake provided important anatomical landmarks. However, the normal biodistribution of FDG is often variable and can be altered by intrinsic or iatrogenic factors. Recognizing these patterns of altered biodistribution is important for optimal FDG-PET interpretation. Altered FDG uptake in muscles, brown adipose tissue, bone marrow, the urinary tract, and the bowel is demonstrated in a significant proportion of patients, which can hide underlying malignant foci or mimic malignant lesions. The introduction of PET/computed tomography revolutionized PET imaging, bringing much-needed anatomical information. This modality allowed better characterization of some types of uptake, particularly brown adipose tissue FDG uptake. Different approaches to minimize interference from altered FDG biodistribution should be considered when performing PET scans. Otherwise, careful review and correlation of metabolic (FDG-PET) and anatomical (computed tomography) data should be performed to accurately characterize the foci of increased FDG uptake.
journal_name
Semin Nucl Medjournal_title
Seminars in nuclear medicineauthors
Cohade Cdoi
10.1053/j.semnuclmed.2010.02.001subject
Has Abstractpub_date
2010-07-01 00:00:00pages
283-93issue
4eissn
0001-2998issn
1558-4623pii
S0001-2998(10)00004-8journal_volume
40pub_type
杂志文章,评审abstract::In spite of localization of gallium in the lungs in a large variety of inflammatory pulmonary diseases, the chest radiograph is and will continue to be the principal diagnostic tool for evaluation of pulmonary inflammatory disease. The 67Ga-citrate scan, however, serves as a study complementary to chest radiography be...
journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章,评审
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章,评审
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章,评审
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pub_type: 杂志文章,评审
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章,评审
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
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journal_title:Seminars in nuclear medicine
pub_type: 杂志文章,评审
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