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- W2280149342 abstract "Background/Aims Primary non-ampullary duodenal adenocarcinomas (PNADAs) comprise <0.3% of gastrointestinal malignancies. The rarity of PNADA and poorly defined natural history often leads to a delayed correct diagnosis. This study was conducted to evaluate the clinical characteristics of PNADA and to identify its prognostic factors. Methods Data were collected by retrospectively reviewing the medical records of patients with PNADA managed at Gyeongsang National University Hospital from January 2000 to December 2014. Demographic, clinical, endoscopic, and pathological variables were investigated, and factors related to survival were analyzed. Results Twenty-seven patients with PNADA were identified, and their median age was 64.9±13.6 years with 16 (59.3%) being male. The majority of patients (25/27, 92.6%) were initially diagnosed during upper endoscopy with biopsies. The tumor was located on the 1st or 2nd portion of duodenum in 92.6% (25/27) of patients. At the time of diagnosis, 85.2% (23/27) had advanced diseases (stage III or IV); 48.2% (13/27) had distant metastasis. Median survival time was 12 months (1–93 months). One and 3-year survival rates were 48.1% and 33.3%, respectively. On multivariable analysis, total bilirubin ≥2 mg/dL (OR, 85.28; 95% CI, 3.77–1,938.79; p=0.005) and distant metastasis (OR, 26.74; 95% CI, 3.13–2,328.14; p=0.003) at the time of diagnosis were independent poor prognostic factors. Conclusions The majority of patients were diagnosed at an advanced stage. Presence of distant metastasis was independent prognostic factor of PNADA together with elevated total bilirubin." @default.
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- W2280149342 date "2015-01-01" @default.
- W2280149342 modified "2023-10-16" @default.
- W2280149342 title "Primary Non-ampullary Duodenal Adenocarcinoma: A Single-center Experience for 15 Years" @default.
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- W2280149342 doi "https://doi.org/10.4166/kjg.2015.66.4.194" @default.
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