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  • Title: Duodenal gastrointestinal stromal tumors: clinicopathological characteristics, surgery, and long-term outcome.
    Author: Shen C, Chen H, Yin Y, Chen J, Han L, Zhang B, Chen Z, Chen J.
    Journal: BMC Surg; 2015 Aug 15; 15():98. PubMed ID: 26276408.
    Abstract:
    BACKGROUND: Duodenal gastrointestinal stromal tumors (DGIST) are rare, and data on their management is limited. We here report the clinicopathological characteristics, different surgical treatments, and long-term prognosis of DGIST. METHODS: Data of 74 consecutive patients with DGIST in a single institution from June 2000 to June 2014 were retrospectively analyzed. The overall survival (OS) and recurrence/metastasis-free survival rates of 74 cases were calculated using Kaplan-Meier method. RESULTS: Out of 74 cases, 42 cases were female (56.76%) and 32 cases (43.24%) were male. Approximately 22.97, 47.30, 16.22, and 13.51% of the tumors originated in the first to fourth portion of the duodenum, respectively, with a tumor size of 5.08 ± 2.90 cm. Patients presented with gastrointestinal bleeding (n = 37, 50.00%), abdominal pain (n = 25, 33.78 %), mass (n = 5, 6.76%), and others (n = 7, 9.76%). A total of 18 patients (24.3%) underwent wedge resection (WR); 39 patients (52.7%) underwent segmental resection (SR); and 17 cases (23%) underwent pancreaticoduodenectomy (PD). The median follow-up was 56 months (1-159 months); 19 patients (25.68%) experienced tumor recurrence or metastasis, and 14 cases (18.92 %) died. The 1-, 3-, and 5-year recurrence/metastasis-free survival rates were 93.9, 73.7, and 69%, respectively. The 1-, 3- and 5-year OS were 100, 92.5, and 86%, respectively. The recurrence/metastasis-free survival rate in the PD group within 5 years was lower than that in the WR group (P = 0.047), but was not different from that in the SR group (P = 0.060). No statistically significant difference was found among the three operation types (P = 0.294). CONCLUSIONS: DGIST patients have favorable prognosis after complete tumor removal, and surgical procedures should be determined by the DGIST tumor location and size.
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