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Original Article

Retrospective Analysis of 119 Small Bowel Adenocarcinoma in Chinese Patients

, , , , &
Pages 178-183 | Received 11 Sep 2013, Accepted 29 Jan 2014, Published online: 21 Mar 2014
 

Abstract

Background: Small bowel adenocarcinoma (SBA) is a rare occurrence and few studies have addressed it adequately, especially in China. Methods: Clinicopathological features, survival and prognostic analysis were retrospectively done in SBA patients admitted between 2001 and 2011 in the People's Liberation Army General Hospital. Results: The study included 68 men and 51 women with a median age of 56.5 year. Tumors mainly occurred in duodenum (93.3%). Abdominal pain was the most frequent symptom (36.8%). Patients (30.3%) who received postoperative adjuvant chemotherapy had an increased, but not significant, median overall survival (MOS) rate compared to those who did not receive chemotherapy (37 vs 35 months, p = .324). One year disease free survival rate was higher in patients receiving postoperative chemotherapy (83.3% vs 71.1%). Patients survived longer in the curative surgery group (median survival time of 49.0 months) than those in the palliative group (7.0 months) (p < .001). Node-negative patients survived longer than node-positive patients (median OS: 49.0 vs 21.0 months, p = .004). Depth (95% CI: 1.013–1.517, p = .037), node involvement (95% CI: 1.234–3.890, p = .007), palliative surgery (95% CI, 2.998–10.555, p = .0005), and the site of tumor (95% CI: 0.052–0.970, p = .045) were independent predictors of OS in a multivariate analysis. Conclusions: SBA is rare and there is lack of obvious clinical manifestations. Depth, node involvement, palliative surgery, and the site of tumor are associated with a poor prognosis. Our analysis highlights the need for further studies to find out the exact role of postoperative adjuvant chemotherapy in these patients.

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