期刊
BMC GASTROENTEROLOGY
卷 17, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12876-016-0567-4
关键词
Endoscopic ultrasound (EUS); Stomach; Gastrointestinal stromal tumor (GIST)
资金
- Specialized Research Fund for the Doctoral Program of Higher Education [20130001120064]
- Capital Health Development Research Project of China [TG-2015-002]
Backgroud: The detectable rate of minimal gastric GISTs has continuously increased. While the surveillance and management of GIST <2 cm have been deemed controversial or lack evidence-based approaches. The aim of the current study is to propose a cut-off value of tumor size for treatment policy and the appropriate timing for endoscopic ultrasonography (EUS) follow-up in the minimal EUS-suspected gastric GIST patients. Methods: A single-institution retrospective study was performed. 69 patients with EUS-suspected gastric GISTs were studied from November 2008 to March 2015. 69 patients with minimal gastric GISTs <= 2 cm diagnosed by EUS were followed for a mean period of 29 months (range, 12 to 70). An at least 20% increase of the maximal diameter of the tumors was set as a significant change. Results: During follow-up, Of the 69 minimal EUS-suspected GISTs, 16 (23.2%) showed significant changes in size. 11 out of 69 GISTs (15.9%), 6 out of 43 GISTs (14.0%), 7 out of 30 GISTs (23.3%) showed significant changes in size, at 1 year, 2 years, and more than 3 years respectively. The receiver operating characteristic curve analysis showed that the tumor size cut-off was 9.5 mm. Only 4.7 and 3.7% of gastric EUS-suspected GISTs of <9.5 mm in size showed significant changes at 1 year and 2 years, while 9.5% at more than 3 years. 34.6, 31.3 and 55.6% of gastric EUS-suspected GISTs of >= 9.5 mm in size showed significant changes at 1 year, 2 years and more than 3 years. Conclusions: Minimal EUS-suspected GISTs, larger than 9.5 mm may be associated with significant progression. The patients with a >= 9.5 mm GIST should have a EUS 6-12months, while <9.5 mm GIST may have a EUS extended to every 2-3 years.
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