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Diagnosis and management of GI stromal tumors by EUS-FNA

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dc.contributor.author Azar, Riad
dc.contributor.author Ha, Christina Y.
dc.contributor.author Shah, Rajesh
dc.contributor.author Chen, Jaijing
dc.contributor.author Edmundowicz, Steven A.
dc.contributor.author Early, Dayna S.
dc.date.accessioned 2016-06-20T10:28:48Z
dc.date.available 2016-06-20T10:28:48Z
dc.date.copyright 2009 en_US
dc.identifier.issn 0016-5107 en_US
dc.identifier.uri http://hdl.handle.net/10725/4109
dc.description.abstract Background: There is no consensus regarding the best management strategy for diagnosing and treating GI stromal tumors (GISTs). Objective: Our purpose was to examine the practice patterns of endosonographers in diagnosing and managing GISTs, particularly features of GISTs suggestive of malignancy, features that prompt surgical referral, and surveillance patterns. Design: An invitation to complete an online survey was e-mailed to all 413 members of the American Society for Gastrointestinal Endoscopy EUS Special Interest Group. Results: A total of 134 (32%) members responded; 59% of respondents use EUS features combined with FNA findings to diagnose GIST, and 89% consider a c-kit–positive stain on FNA most suggestive of GIST. However, 60% would diagnose GIST when cytologic samples are insufficient for diagnosis, and 40% would diagnose GIST if cytologic samples are sufficient but c-kit is negative. A total of 92% use size as the main criterion to distinguish benign from malignant GISTs, and 90% refer lesions O5 cm for surgery. For lesions not resected, 70% survey annually, 19% less than annually, 10% more than annually, and 1% do not survey. Limitations: The opinions of the respondents do not necessarily reflect the opinions and practices of endosonographers nationwide. There are inherent limitations to an online multiple-choice survey, including low response rates. Conclusions: There are substantial practice variations in diagnosing, resecting, and surveying GISTs. A majority of our survey respondents have made the diagnosis of GISTwithout FNA confirmation. Size O5 cm is the feature used most to predict malignancy and to prompt surgical referral. Surveillance practices for unresected GISTs are variable. Evidence is needed to establish practice guidelines in this area. en_US
dc.language.iso en en_US
dc.title Diagnosis and management of GI stromal tumors by EUS-FNA en_US
dc.type Article en_US
dc.description.version Published en_US
dc.title.subtitle a survey of opinions and practices of endosonographers en_US
dc.author.school SOM en_US
dc.author.idnumber 200902767 en_US
dc.author.department N/A en_US
dc.description.embargo N/A en_US
dc.relation.journal Gastrointestinal Endoscopy en_US
dc.journal.volume 69 en_US
dc.journal.issue 6 en_US
dc.article.pages 1039-1044.e1 en_US
dc.identifier.doi http://dx.doi.org/10.1016/j.gie.2008.07.041 en_US
dc.identifier.ctation Ha, C. Y., Shah, R., Chen, J., Azar, R. R., Edmundowicz, S. A., & Early, D. S. (2009). Diagnosis and management of GI stromal tumors by EUS-FNA: a survey of opinions and practices of endosonographers. Gastrointestinal endoscopy, 69(6), 1039-1044. en_US
dc.author.email riad.azar@lau.edu.lb en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url http://www.sciencedirect.com/science/article/pii/S0016510708023419 en_US


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