The retention indices ofTl-SPECT in brain tumors
Objective: The aim of this study was to assess the utility ofTl SPECT in the differential diagnosis of intracranial tumors and to determine the relationship betweenTl uptake and histological types.Methods: Thirty-eight patients (19 males and 19 females) with thirty-eight brain tumors were evaluated...
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| Veröffentlicht in: | Annals of nuclear medicine 2002-11, Vol.16 (7), p.455-459 |
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| container_end_page | 459 |
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| container_issue | 7 |
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| container_title | Annals of nuclear medicine |
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| creator | Otsuka, Hideki Shinbata, Hiroyuki Hieda, Masashi Yamashita, Kyo Kitamura, Hiroki Senba, Takatoshi Kashihara, Kenichi Tagashira, Hiroshi |
| description | Objective: The aim of this study was to assess the utility ofTl SPECT in the differential diagnosis of intracranial tumors and to determine the relationship betweenTl uptake and histological types.Methods: Thirty-eight patients (19 males and 19 females) with thirty-eight brain tumors were evaluated withTl-SPECT. The early and delayedTl uptake ratio was calculated, and the retention index (RI) was applied as follows; RI=delayed uptake ratio/early uptake ratio.Results: The RI of malignant tumors was higher (0.72-0.18) than that of benign tumors (0.50-0.16) and the difference was statistically significant (p=0.00045). The difference between high-grade glioma (0.80-0.15) and metastatic tumors (0.64-0.19) was statistically significant (p=0.039).Conclusion: Tl-SPECT may add useful biochemical information and could differentiate malignant brain tumors from benign lesions, but the RI of metastatic tumors varied depending on the organs with the primary lesion and histological types. |
| doi_str_mv | 10.1007/BF02988641 |
| format | Article |
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The early and delayedTl uptake ratio was calculated, and the retention index (RI) was applied as follows; RI=delayed uptake ratio/early uptake ratio.Results: The RI of malignant tumors was higher (0.72-0.18) than that of benign tumors (0.50-0.16) and the difference was statistically significant (p=0.00045). The difference between high-grade glioma (0.80-0.15) and metastatic tumors (0.64-0.19) was statistically significant (p=0.039).Conclusion: Tl-SPECT may add useful biochemical information and could differentiate malignant brain tumors from benign lesions, but the RI of metastatic tumors varied depending on the organs with the primary lesion and histological types.</description><identifier>ISSN: 0914-7187</identifier><identifier>EISSN: 1864-6433</identifier><identifier>DOI: 10.1007/BF02988641</identifier><language>eng</language><ispartof>Annals of nuclear medicine, 2002-11, Vol.16 (7), p.455-459</ispartof><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>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Otsuka, Hideki</creatorcontrib><creatorcontrib>Shinbata, Hiroyuki</creatorcontrib><creatorcontrib>Hieda, Masashi</creatorcontrib><creatorcontrib>Yamashita, Kyo</creatorcontrib><creatorcontrib>Kitamura, Hiroki</creatorcontrib><creatorcontrib>Senba, Takatoshi</creatorcontrib><creatorcontrib>Kashihara, Kenichi</creatorcontrib><creatorcontrib>Tagashira, Hiroshi</creatorcontrib><title>The retention indices ofTl-SPECT in brain tumors</title><title>Annals of nuclear medicine</title><description>Objective: The aim of this study was to assess the utility ofTl SPECT in the differential diagnosis of intracranial tumors and to determine the relationship betweenTl uptake and histological types.Methods: Thirty-eight patients (19 males and 19 females) with thirty-eight brain tumors were evaluated withTl-SPECT. The early and delayedTl uptake ratio was calculated, and the retention index (RI) was applied as follows; RI=delayed uptake ratio/early uptake ratio.Results: The RI of malignant tumors was higher (0.72-0.18) than that of benign tumors (0.50-0.16) and the difference was statistically significant (p=0.00045). The difference between high-grade glioma (0.80-0.15) and metastatic tumors (0.64-0.19) was statistically significant (p=0.039).Conclusion: Tl-SPECT may add useful biochemical information and could differentiate malignant brain tumors from benign lesions, but the RI of metastatic tumors varied depending on the organs with the primary lesion and histological types.</description><issn>0914-7187</issn><issn>1864-6433</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqNir0OwiAYAInRxPqz-ARMbigfxZauNm0cTWRvaqURQ0GBvr8dfACXu-RyCO2AHoDS_HiuKSuEyDjMUAKTScbTdI4SWgAnOYh8iVYhvChl4iRYgqh8KuxVVDZqZ7G2D92pgF0vDbldq1JOCd99OzGOg_NhgxZ9a4La_rxG-7qS5YW8vfuMKsRm0KFTxrRWuTE0DIBzLrL07_ELVdg6wA</recordid><startdate>20021101</startdate><enddate>20021101</enddate><creator>Otsuka, Hideki</creator><creator>Shinbata, Hiroyuki</creator><creator>Hieda, Masashi</creator><creator>Yamashita, Kyo</creator><creator>Kitamura, Hiroki</creator><creator>Senba, Takatoshi</creator><creator>Kashihara, Kenichi</creator><creator>Tagashira, Hiroshi</creator><scope>7QO</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20021101</creationdate><title>The retention indices ofTl-SPECT in brain tumors</title><author>Otsuka, Hideki ; Shinbata, Hiroyuki ; Hieda, Masashi ; Yamashita, Kyo ; Kitamura, Hiroki ; Senba, Takatoshi ; Kashihara, Kenichi ; Tagashira, Hiroshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_211444863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Otsuka, Hideki</creatorcontrib><creatorcontrib>Shinbata, Hiroyuki</creatorcontrib><creatorcontrib>Hieda, Masashi</creatorcontrib><creatorcontrib>Yamashita, Kyo</creatorcontrib><creatorcontrib>Kitamura, Hiroki</creatorcontrib><creatorcontrib>Senba, Takatoshi</creatorcontrib><creatorcontrib>Kashihara, Kenichi</creatorcontrib><creatorcontrib>Tagashira, Hiroshi</creatorcontrib><collection>Biotechnology Research Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Annals of nuclear medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Otsuka, Hideki</au><au>Shinbata, Hiroyuki</au><au>Hieda, Masashi</au><au>Yamashita, Kyo</au><au>Kitamura, Hiroki</au><au>Senba, Takatoshi</au><au>Kashihara, Kenichi</au><au>Tagashira, Hiroshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The retention indices ofTl-SPECT in brain tumors</atitle><jtitle>Annals of nuclear medicine</jtitle><date>2002-11-01</date><risdate>2002</risdate><volume>16</volume><issue>7</issue><spage>455</spage><epage>459</epage><pages>455-459</pages><issn>0914-7187</issn><eissn>1864-6433</eissn><abstract>Objective: The aim of this study was to assess the utility ofTl SPECT in the differential diagnosis of intracranial tumors and to determine the relationship betweenTl uptake and histological types.Methods: Thirty-eight patients (19 males and 19 females) with thirty-eight brain tumors were evaluated withTl-SPECT. 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| ispartof | Annals of nuclear medicine, 2002-11, Vol.16 (7), p.455-459 |
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| language | eng |
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| title | The retention indices ofTl-SPECT in brain tumors |
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