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논문 기본 정보

자료유형
학술저널
저자정보
나건형 (가톨릭대학교) 김영균 (가톨릭대학교) 이한홍 (가톨릭대학교) 지성배 (가톨릭대학교) 채병주 (가톨릭대학교) 허훈 (가톨릭대학교) 김욱 (가톨릭대학교) 전해명 (가톨릭대학교)
저널정보
대한외과학회 Annals of Surgical Treatment and Research 대한외과학회지 Vol.73 No.4
발행연도
2007.10
수록면
309 - 314 (6page)

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Purpose: Gastrointestinal stromal tumors (GISTs) are of a mesenchymal origin, and they arise predominantly from the gastrointestinal tract. This study aims to aid the post operative management of GIST patients by analyzing the clinical and immunopathological features of recurrent GISTs.
Methods: We enrolled 98 GIST patients who had been operated on for their primary tumor from 1987 to 2001 at the Catholic Medical Center. Among them, 28 patients had clinical and radiological features that were proved to be recurrence, and the patients’ survival rates were compared according to the treatment modalities.
Results: When the maximum length of tumor was shorter and the mitotic index lower, then these patients had higher disease free survival rates and lower recurrence rates. The Ki-67 negative group had lower recurrence rates than their Ki-67 positive counterparts. Recurrence was mostly observed as liver metastasis. The mean length of time to recur was 22.96 months. Fifteen patients received additional treatments such as surgery, chemotherapy and radiation therapy, but there was no significant difference in survival rates when they were compared to the 13 patients who did not receive further treatments.
Conclusion: Of the patients diagnosed with GIST after surgery, those with worse prognostic factors, i.e. a bigger tumor size and higher mitotic index, require more meticulous surveillance for tumor recurrence, and especially for liver recurrence, which was the most common recurrence site, during the follow up exams. In addition, although there have not been any remarkably effective treatments for the recurrent GIST patients, further researches for new therapy such as STI-571 is mandated.

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UCI(KEPA) : I410-ECN-0101-2013-514-002670982