Pitfalls in Positron Emission Tomography/Computed Tomography Imaging: Causes and Their Classifications
To describe the pitfalls in positron emission tomography/computed tomography (PET/CT) imaging and classify them according to the principles of their generation. We summarized retrospectively the 18F-fluorodeoxyglucose (FDP) PET/CT imaging pit-falls through reviewing the PET/CT images of 872 patients...
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| Veröffentlicht in: | Chinese medical sciences journal 2009-03, Vol.24 (1), p.12-19 |
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| creator | Li, Tian-ran Tian, Jia-he Wang, Hui Chen, Zi-qian Zhao, Chun-lei |
| description | To describe the pitfalls in positron emission tomography/computed tomography (PET/CT) imaging and classify them according to the principles of their generation.
We summarized retrospectively the
18F-fluorodeoxyglucose (FDP) PET/CT imaging pit-falls through reviewing the PET/CT images of 872 patients. The pitfalls were divided into artifacts and infrequent physiological uptake, and the artifacts were further classified according to their causes. Meanwhile, we calculated the incidences of various pitfalls. Whether the PET/CT pitfalls influenced the diagnostic decision was analyzed. The appearances of pitfalls in PET were also described.
Pitfalls could be found in PET/CT images of 684 (78.4%) patients. Artifacts were found in 664 (76.15%) patients, and could be classified into self-factor artifacts and equipment-or technology-related artifacts. Among self-factor artifacts, respiratory motion (57.5%), postprandial or hyperglycemia artifacts (2.41%), and metal or high density matter artifacts (1.38%) were frequent. As for equipment-or technology-related factors, injection point outleakage or radiotracer contamination (13.88%) and truncation artifacts (1.83%) were most common ones. Infrequent physiological FDG uptakes, including fatty uptake, endometrial uptake, and bilateral breast feeding period uptake, were found in 20 (2.29%) patients. Among all pitfalls, the artifacts in 92 (13.4%) patients and infrequent physiological uptakes in 6 (0.88%) patients affected the diagnostic results. Artifact images in PET could be described as hot or cold area and the images of infrequent physiological uptake were always shown as hot area.
The incidence of pitfall in PET/CT imaging was high and the causes of pitfalls are various. Among all causes that artifacts generated, respiratory motion is the most common. Some pitfalls may disturb clinical physicians' decision, so it is important to recognize artifacts and physiological uptake, and distinguish them from pathological uptakes. |
| doi_str_mv | 10.1016/S1001-9294(09)60052-3 |
| format | Article |
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We summarized retrospectively the
18F-fluorodeoxyglucose (FDP) PET/CT imaging pit-falls through reviewing the PET/CT images of 872 patients. The pitfalls were divided into artifacts and infrequent physiological uptake, and the artifacts were further classified according to their causes. Meanwhile, we calculated the incidences of various pitfalls. Whether the PET/CT pitfalls influenced the diagnostic decision was analyzed. The appearances of pitfalls in PET were also described.
Pitfalls could be found in PET/CT images of 684 (78.4%) patients. Artifacts were found in 664 (76.15%) patients, and could be classified into self-factor artifacts and equipment-or technology-related artifacts. Among self-factor artifacts, respiratory motion (57.5%), postprandial or hyperglycemia artifacts (2.41%), and metal or high density matter artifacts (1.38%) were frequent. As for equipment-or technology-related factors, injection point outleakage or radiotracer contamination (13.88%) and truncation artifacts (1.83%) were most common ones. Infrequent physiological FDG uptakes, including fatty uptake, endometrial uptake, and bilateral breast feeding period uptake, were found in 20 (2.29%) patients. Among all pitfalls, the artifacts in 92 (13.4%) patients and infrequent physiological uptakes in 6 (0.88%) patients affected the diagnostic results. Artifact images in PET could be described as hot or cold area and the images of infrequent physiological uptake were always shown as hot area.
The incidence of pitfall in PET/CT imaging was high and the causes of pitfalls are various. Among all causes that artifacts generated, respiratory motion is the most common. Some pitfalls may disturb clinical physicians' decision, so it is important to recognize artifacts and physiological uptake, and distinguish them from pathological uptakes.</description><identifier>ISSN: 1001-9294</identifier><identifier>DOI: 10.1016/S1001-9294(09)60052-3</identifier><identifier>PMID: 19382418</identifier><language>eng</language><publisher>China: Elsevier B.V</publisher><subject>18F-fluorodeoxyglucose ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; attenuation correction ; Breast Feeding ; Child ; Child, Preschool ; Diagnostic Errors - statistics & numerical data ; Drug Contamination ; Endometrium - metabolism ; Fatty Acids - metabolism ; Female ; Fluorodeoxyglucose F18 ; Humans ; Hyperglycemia ; Image Interpretation, Computer-Assisted ; Infant ; Injections, Intravenous ; Male ; Middle Aged ; Movement ; pitfall ; positron emission tomography/computed tomography ; Positron-Emission Tomography ; Respiration ; Young Adult</subject><ispartof>Chinese medical sciences journal, 2009-03, Vol.24 (1), p.12-19</ispartof><rights>2009 Chinese Academy Medical Sciences</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3103-6ddadc03e4db91c1ec6fa14ffbefcf00f64b9b63fc95f980f2bb3ef3bb0513693</citedby><cites>FETCH-LOGICAL-c3103-6ddadc03e4db91c1ec6fa14ffbefcf00f64b9b63fc95f980f2bb3ef3bb0513693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/cmsj-e/cmsj-e.jpg</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19382418$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Tian-ran</creatorcontrib><creatorcontrib>Tian, Jia-he</creatorcontrib><creatorcontrib>Wang, Hui</creatorcontrib><creatorcontrib>Chen, Zi-qian</creatorcontrib><creatorcontrib>Zhao, Chun-lei</creatorcontrib><title>Pitfalls in Positron Emission Tomography/Computed Tomography Imaging: Causes and Their Classifications</title><title>Chinese medical sciences journal</title><addtitle>Chin Med Sci J</addtitle><description>To describe the pitfalls in positron emission tomography/computed tomography (PET/CT) imaging and classify them according to the principles of their generation.
We summarized retrospectively the
18F-fluorodeoxyglucose (FDP) PET/CT imaging pit-falls through reviewing the PET/CT images of 872 patients. The pitfalls were divided into artifacts and infrequent physiological uptake, and the artifacts were further classified according to their causes. Meanwhile, we calculated the incidences of various pitfalls. Whether the PET/CT pitfalls influenced the diagnostic decision was analyzed. The appearances of pitfalls in PET were also described.
Pitfalls could be found in PET/CT images of 684 (78.4%) patients. Artifacts were found in 664 (76.15%) patients, and could be classified into self-factor artifacts and equipment-or technology-related artifacts. Among self-factor artifacts, respiratory motion (57.5%), postprandial or hyperglycemia artifacts (2.41%), and metal or high density matter artifacts (1.38%) were frequent. As for equipment-or technology-related factors, injection point outleakage or radiotracer contamination (13.88%) and truncation artifacts (1.83%) were most common ones. Infrequent physiological FDG uptakes, including fatty uptake, endometrial uptake, and bilateral breast feeding period uptake, were found in 20 (2.29%) patients. Among all pitfalls, the artifacts in 92 (13.4%) patients and infrequent physiological uptakes in 6 (0.88%) patients affected the diagnostic results. Artifact images in PET could be described as hot or cold area and the images of infrequent physiological uptake were always shown as hot area.
The incidence of pitfall in PET/CT imaging was high and the causes of pitfalls are various. Among all causes that artifacts generated, respiratory motion is the most common. Some pitfalls may disturb clinical physicians' decision, so it is important to recognize artifacts and physiological uptake, and distinguish them from pathological uptakes.</description><subject>18F-fluorodeoxyglucose</subject><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>attenuation correction</subject><subject>Breast Feeding</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Diagnostic Errors - statistics & numerical data</subject><subject>Drug Contamination</subject><subject>Endometrium - metabolism</subject><subject>Fatty Acids - metabolism</subject><subject>Female</subject><subject>Fluorodeoxyglucose F18</subject><subject>Humans</subject><subject>Hyperglycemia</subject><subject>Image Interpretation, Computer-Assisted</subject><subject>Infant</subject><subject>Injections, Intravenous</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Movement</subject><subject>pitfall</subject><subject>positron emission tomography/computed tomography</subject><subject>Positron-Emission Tomography</subject><subject>Respiration</subject><subject>Young Adult</subject><issn>1001-9294</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkM1O3DAURr0A8TPwCEVZ0XYRuI4TE3eDqoi2SEggQdeW7VwPHiX2YCetePt6mBHtritb18ffp3sI-UDhggLll48UgJaiEvUnEJ85QFOVbI8cvY8PyXFKKwDgtK0PyCEVrK1q2h4R--Amq4YhFc4XDyG5KQZf3IwuJZcvT2EMy6jWz6-XXRjX84T9P7PidlRL55dfik7NCVOhfH5-RheLblA5wTqjppyTTsh-bkl4ujsX5Oe3m6fuR3l3__22-3pXGkaBlbzvVW-AYd1rQQ1Fw62itbUarbEAltdaaM6sEY0VLdhKa4aWaQ0NZVywBfm4zf2tvFV-KVdhjj43SjOmlcQKQEDWwjJ5viXXMbzMmCaZdzY4DMpjmJPkV7SBljcZbLagiSGliFauoxtVfJUU5Ea_fNMvN54lCPmmX24KznYFsx6x__tr5z4D11sAs5BfDqNMxqE32LuIZpJ9cP-p-APrRpiU</recordid><startdate>200903</startdate><enddate>200903</enddate><creator>Li, Tian-ran</creator><creator>Tian, Jia-he</creator><creator>Wang, Hui</creator><creator>Chen, Zi-qian</creator><creator>Zhao, Chun-lei</creator><general>Elsevier B.V</general><general>Department of Nuclear Medicine, Chinese People's Liberation Army General Hospital, Beijing 100853, China%The PET-CT Center, Fuzhou General Hospital, Fuzhou 350025, China</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>200903</creationdate><title>Pitfalls in Positron Emission Tomography/Computed Tomography Imaging: Causes and Their Classifications</title><author>Li, Tian-ran ; Tian, Jia-he ; Wang, Hui ; Chen, Zi-qian ; Zhao, Chun-lei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3103-6ddadc03e4db91c1ec6fa14ffbefcf00f64b9b63fc95f980f2bb3ef3bb0513693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>18F-fluorodeoxyglucose</topic><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>attenuation correction</topic><topic>Breast Feeding</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Diagnostic Errors - statistics & numerical data</topic><topic>Drug Contamination</topic><topic>Endometrium - metabolism</topic><topic>Fatty Acids - metabolism</topic><topic>Female</topic><topic>Fluorodeoxyglucose F18</topic><topic>Humans</topic><topic>Hyperglycemia</topic><topic>Image Interpretation, Computer-Assisted</topic><topic>Infant</topic><topic>Injections, Intravenous</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Movement</topic><topic>pitfall</topic><topic>positron emission tomography/computed tomography</topic><topic>Positron-Emission Tomography</topic><topic>Respiration</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Tian-ran</creatorcontrib><creatorcontrib>Tian, Jia-he</creatorcontrib><creatorcontrib>Wang, Hui</creatorcontrib><creatorcontrib>Chen, Zi-qian</creatorcontrib><creatorcontrib>Zhao, Chun-lei</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Chinese medical sciences journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Tian-ran</au><au>Tian, Jia-he</au><au>Wang, Hui</au><au>Chen, Zi-qian</au><au>Zhao, Chun-lei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pitfalls in Positron Emission Tomography/Computed Tomography Imaging: Causes and Their Classifications</atitle><jtitle>Chinese medical sciences journal</jtitle><addtitle>Chin Med Sci J</addtitle><date>2009-03</date><risdate>2009</risdate><volume>24</volume><issue>1</issue><spage>12</spage><epage>19</epage><pages>12-19</pages><issn>1001-9294</issn><abstract>To describe the pitfalls in positron emission tomography/computed tomography (PET/CT) imaging and classify them according to the principles of their generation.
We summarized retrospectively the
18F-fluorodeoxyglucose (FDP) PET/CT imaging pit-falls through reviewing the PET/CT images of 872 patients. The pitfalls were divided into artifacts and infrequent physiological uptake, and the artifacts were further classified according to their causes. Meanwhile, we calculated the incidences of various pitfalls. Whether the PET/CT pitfalls influenced the diagnostic decision was analyzed. The appearances of pitfalls in PET were also described.
Pitfalls could be found in PET/CT images of 684 (78.4%) patients. Artifacts were found in 664 (76.15%) patients, and could be classified into self-factor artifacts and equipment-or technology-related artifacts. Among self-factor artifacts, respiratory motion (57.5%), postprandial or hyperglycemia artifacts (2.41%), and metal or high density matter artifacts (1.38%) were frequent. As for equipment-or technology-related factors, injection point outleakage or radiotracer contamination (13.88%) and truncation artifacts (1.83%) were most common ones. Infrequent physiological FDG uptakes, including fatty uptake, endometrial uptake, and bilateral breast feeding period uptake, were found in 20 (2.29%) patients. Among all pitfalls, the artifacts in 92 (13.4%) patients and infrequent physiological uptakes in 6 (0.88%) patients affected the diagnostic results. Artifact images in PET could be described as hot or cold area and the images of infrequent physiological uptake were always shown as hot area.
The incidence of pitfall in PET/CT imaging was high and the causes of pitfalls are various. Among all causes that artifacts generated, respiratory motion is the most common. Some pitfalls may disturb clinical physicians' decision, so it is important to recognize artifacts and physiological uptake, and distinguish them from pathological uptakes.</abstract><cop>China</cop><pub>Elsevier B.V</pub><pmid>19382418</pmid><doi>10.1016/S1001-9294(09)60052-3</doi><tpages>8</tpages></addata></record> |
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| subjects | 18F-fluorodeoxyglucose Adolescent Adult Aged Aged, 80 and over attenuation correction Breast Feeding Child Child, Preschool Diagnostic Errors - statistics & numerical data Drug Contamination Endometrium - metabolism Fatty Acids - metabolism Female Fluorodeoxyglucose F18 Humans Hyperglycemia Image Interpretation, Computer-Assisted Infant Injections, Intravenous Male Middle Aged Movement pitfall positron emission tomography/computed tomography Positron-Emission Tomography Respiration Young Adult |
| title | Pitfalls in Positron Emission Tomography/Computed Tomography Imaging: Causes and Their Classifications |
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