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  • Title: Surgical treatment of gastric gastrointestinal stromal tumors: analysis of 92 operated patients.
    Author: Lai IR, Chen CN, Lin MT, Lee PH.
    Journal: Dig Surg; 2008; 25(3):208-12. PubMed ID: 18577866.
    Abstract:
    AIM: To review and evaluate the clinicopathological factors predictive of recurrence after surgical resection for gastrointestinal stromal tumor (GIST) of the stomach. METHODS: The clinicopathological records of 92 gastric GIST patients who were operated upon at a single institute from 1996 to 2005 were retrospectively reviewed and assessed for recurrence-free survival. RESULTS: The patients included 43 men and 49 women. Their ages ranged from 25 to 91 years. The size of the tumors varied from 0.8 to 47.7 cm (median 5.8; 95% CI 6.4-9.2 cm). All but one operative margin were clear. The follow-up period ranged from 11 to 112 months (median 31, 95% CI 33.7-43.5 months). Fifteen patients (16%) developed disease recurrence, of which liver metastasis was the most common. Only 1 of the patients with tumors <4 cm developed recurrence. The 3-year recurrence-free survival rates for patients with tumors smaller or larger than 4 cm were 93 and 56.0%, respectively (p < 0.01). Multivariate analysis showed that the tumor size was the independent factor that was inversely associated with recurrence-free survival. CONCLUSION: The tumor size is an important prognostic factor for recurrence after surgery. Early excision is recommended for gastric GISTs even of small size.
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