Yonago Acta Medica
Online ISSN : 1346-8049
ISSN-L : 0513-5710
Original Article
Use of Body Mass Index to Predict the Prognosis of Patients with Remnant Gastric Cancer
Useful predictor of BMI in RGC
Tomoyuki MatsunagaHiroaki Saito Tomohiro OsakiYusuke KonoYuki MurakamiHirohiko KurodaYoji FukumotoYoshiyuki Fujiwara
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JOURNAL OPEN ACCESS

2017 Volume 60 Issue 2 Pages 126-132

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Abstract
Background Remnant gastric cancer (RGC) is an uncommon form of gastric cancer. The aim of this study was to investigate factors influencing the prognosis of patients with RGC.
Methods A total of 49 patients diagnosed with RGC and 214 patients with primary upper third gastric cancer (PUGC) at our institution between January 1990 and December 2014 were included. The clinicopathological characteristics, prognosis, and factors influencing prognosis were compared.
Results The body mass index (BMI) of RGC was significantly lower than that for PUGC (P < 0.0001). Multivariate analysis revealed that BMI and the depth of tumor invasion were independent prognostic factors in RGC. ROC analysis indicated that an optimal cut-off value for BMI was 20.6. Based on this value, patients were divided into two groups: BMIHigh (≥ 20.6) and BMILow (< 20.6). The 5-year survival rates of patients with BMIHigh early gastric cancer, BMIHigh advanced gastric cancer, BMILow early gastric cancer, and BMILow advanced gastric cancer were 90%, 83.3%, 64.3% and 33.8%, respectively, and the difference was statistically significant (P = 0.00023).
Conclusion Our retrospective study indicated a poor prognosis of RGC compared with PUGC, and that BMI could predict the prognosis of RGC. The prognosis of patients with BMILow advanced RGC was extremely poor.
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© 2017 Tottori University Faculty of Medicine
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