Non-uniform attenuation correction using simultaneous transmission and emission converging tomography
Photon attenuation in cardiac single photon emission computed tomography (SPECT) is a major factor contributing to the quantitative inaccuracy and the decrease in specificity of lesion detection. A measured map of the attenuation distribution was used in combination with iterative reconstruction alg...
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| Veröffentlicht in: | IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) 1992, Vol.39 (4), p.1134-1143 |
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| container_title | IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) |
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| creator | TUNG, C.-H GULLBERG, G. T ZENG, G. L CHRISTIAN, P. E DATZ, F. L MORGAN, H. T |
| description | Photon attenuation in cardiac single photon emission computed tomography (SPECT) is a major factor contributing to the quantitative inaccuracy and the decrease in specificity of lesion detection. A measured map of the attenuation distribution was used in combination with iterative reconstruction algorithms to accurately compensate for the variable attenuation in the chest. The transmission and emission data were acquired simultaneously using a multidetector, fan-beam collimated SPECT system with a transmission line source (Tc-99m) precisely aligned at the focal line opposite one of the detectors and of a different energy than the emission source (Tl-201). The contamination of transmission data by the high-energy photopeaks of Tl-201 was removed based on measurements from emission-only acquisition detectors. An algorithm was derived to eliminate scatter of Tc-99m transmission photons into the lower-energy Tl-201 window of all three detectors. Results are given for both phantom and patient studies. |
| doi_str_mv | 10.1109/23.159773 |
| format | Article |
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T ; ZENG, G. L ; CHRISTIAN, P. E ; DATZ, F. L ; MORGAN, H. T</creator><creatorcontrib>TUNG, C.-H ; GULLBERG, G. T ; ZENG, G. L ; CHRISTIAN, P. E ; DATZ, F. L ; MORGAN, H. T</creatorcontrib><description>Photon attenuation in cardiac single photon emission computed tomography (SPECT) is a major factor contributing to the quantitative inaccuracy and the decrease in specificity of lesion detection. A measured map of the attenuation distribution was used in combination with iterative reconstruction algorithms to accurately compensate for the variable attenuation in the chest. The transmission and emission data were acquired simultaneously using a multidetector, fan-beam collimated SPECT system with a transmission line source (Tc-99m) precisely aligned at the focal line opposite one of the detectors and of a different energy than the emission source (Tl-201). The contamination of transmission data by the high-energy photopeaks of Tl-201 was removed based on measurements from emission-only acquisition detectors. An algorithm was derived to eliminate scatter of Tc-99m transmission photons into the lower-energy Tl-201 window of all three detectors. Results are given for both phantom and patient studies.</description><identifier>ISSN: 0018-9499</identifier><identifier>EISSN: 1558-1578</identifier><identifier>DOI: 10.1109/23.159773</identifier><identifier>CODEN: IETNAE</identifier><language>eng</language><publisher>New York, NY: Institute of Electrical and Electronics Engineers</publisher><subject>550601 -- Medicine-- Unsealed Radionuclides in Diagnostics ; 990200 -- Mathematics & Computers ; ALGORITHMS ; BETA DECAY RADIOISOTOPES ; BETA-MINUS DECAY RADIOISOTOPES ; Biological and medical sciences ; BODY ; CALCULATION METHODS ; CARDIOVASCULAR SYSTEM ; COLLIMATORS ; COMPUTER CALCULATIONS ; COMPUTERIZED TOMOGRAPHY ; DAYS LIVING RADIOISOTOPES ; DIAGNOSTIC TECHNIQUES ; ELECTRON CAPTURE RADIOISOTOPES ; EMISSION COMPUTED TOMOGRAPHY ; ENERGY RANGE ; GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE ; HEART ; HEAVY NUCLEI ; HOURS LIVING RADIOISOTOPES ; IMAGE PROCESSING ; IMAGE SCANNERS ; INTERMEDIATE MASS NUCLEI ; INTERNAL CONVERSION RADIOISOTOPES ; Investigative techniques, diagnostic techniques (general aspects) ; ISOMERIC TRANSITION ISOTOPES ; ISOTOPES ; ITERATIVE METHODS ; KEV RANGE ; KEV RANGE 10-100 ; KEV RANGE 100-1000 ; MATERIALS TESTING ; MATHEMATICAL LOGIC ; Medical sciences ; NONDESTRUCTIVE TESTING ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEI ; ODD-EVEN NUCLEI ; ORGANS ; PROCESSING ; RADIATION ATTENUATION TESTING ; RADIOISOTOPES ; RADIOLOGY AND NUCLEAR MEDICINE ; Radionuclide investigations ; SECONDS LIVING RADIOISOTOPES ; SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY ; TECHNETIUM 99 ; TECHNETIUM ISOTOPES ; TESTING ; THALLIUM 201 ; THALLIUM ISOTOPES ; TOMOGRAPHY ; YEARS LIVING RADIOI 663620 -- Physics of Radiations Other Than Neutrons-- (1992-)</subject><ispartof>IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States), 1992, Vol.39 (4), p.1134-1143</ispartof><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,309,310,314,776,780,785,786,881,4010,4036,4037,23909,23910,25118,27900,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4729253$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/7134895$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>TUNG, C.-H</creatorcontrib><creatorcontrib>GULLBERG, G. 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The transmission and emission data were acquired simultaneously using a multidetector, fan-beam collimated SPECT system with a transmission line source (Tc-99m) precisely aligned at the focal line opposite one of the detectors and of a different energy than the emission source (Tl-201). The contamination of transmission data by the high-energy photopeaks of Tl-201 was removed based on measurements from emission-only acquisition detectors. An algorithm was derived to eliminate scatter of Tc-99m transmission photons into the lower-energy Tl-201 window of all three detectors. Results are given for both phantom and patient studies.</abstract><cop>New York, NY</cop><pub>Institute of Electrical and Electronics Engineers</pub><doi>10.1109/23.159773</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0018-9499 |
| ispartof | IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States), 1992, Vol.39 (4), p.1134-1143 |
| issn | 0018-9499 1558-1578 |
| language | eng |
| recordid | cdi_osti_scitechconnect_7134895 |
| source | IEEE Electronic Library (IEL) |
| subjects | 550601 -- Medicine-- Unsealed Radionuclides in Diagnostics 990200 -- Mathematics & Computers ALGORITHMS BETA DECAY RADIOISOTOPES BETA-MINUS DECAY RADIOISOTOPES Biological and medical sciences BODY CALCULATION METHODS CARDIOVASCULAR SYSTEM COLLIMATORS COMPUTER CALCULATIONS COMPUTERIZED TOMOGRAPHY DAYS LIVING RADIOISOTOPES DIAGNOSTIC TECHNIQUES ELECTRON CAPTURE RADIOISOTOPES EMISSION COMPUTED TOMOGRAPHY ENERGY RANGE GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE HEART HEAVY NUCLEI HOURS LIVING RADIOISOTOPES IMAGE PROCESSING IMAGE SCANNERS INTERMEDIATE MASS NUCLEI INTERNAL CONVERSION RADIOISOTOPES Investigative techniques, diagnostic techniques (general aspects) ISOMERIC TRANSITION ISOTOPES ISOTOPES ITERATIVE METHODS KEV RANGE KEV RANGE 10-100 KEV RANGE 100-1000 MATERIALS TESTING MATHEMATICAL LOGIC Medical sciences NONDESTRUCTIVE TESTING NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEI ODD-EVEN NUCLEI ORGANS PROCESSING RADIATION ATTENUATION TESTING RADIOISOTOPES RADIOLOGY AND NUCLEAR MEDICINE Radionuclide investigations SECONDS LIVING RADIOISOTOPES SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY TECHNETIUM 99 TECHNETIUM ISOTOPES TESTING THALLIUM 201 THALLIUM ISOTOPES TOMOGRAPHY YEARS LIVING RADIOI 663620 -- Physics of Radiations Other Than Neutrons-- (1992-) |
| title | Non-uniform attenuation correction using simultaneous transmission and emission converging tomography |
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