ArticleJournal of gastroenterology2024
Clinicopathological features and prognosis of primary small bowel adenocarcinoma: a large multicenter analysis of the JSCCR database in Japan.
Article in Journal of gastroenterology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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10 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.
- Clinicopathological and prognostic significance of mucin signatures in lower gastrointestinal cancer-a systematic review and meta-analysis.British journal of cancer · 2026Pooled it
- Epidemiological and clinical trends of malignant small-bowel tumors in Asia.The Korean journal of internal medicine · 2026Review
- Clinical utility of single-balloon enteroscopy for malignant small bowel tumors.Surgical endoscopy · 2026Article
- Multicenter retrospective analysis of primary small intestinal lymphoma in Japan.Journal of gastroenterology · 2026Article
- No survival benefit from adjuvant chemotherapy in high-risk stage II small intestinal adenocarcinoma after surgery: a population-based long-term survival analysis.Journal of gastrointestinal oncology · 2026Article
- Primary Small Intestinal Adenocarcinoma Presenting as Ovarian Metastasis With Obstructive Symptoms: A Case Report.Cureus · 2026Article
- Clinicopathological features and prognosis of metastatic tumors in the small bowel: a large multicenter analysis of the JSCCR database in Japan.Journal of gastroenterology · 2026Article
- Rapamycin suppresses small bowel adenocarcinoma HUTU 80 cells proliferation by inhibiting hypoxia-inducible factor-1α mediated metabolic reprogramming.World journal of gastrointestinal oncology · 2025Article
- Comprehensive genomic profiling of small bowel adenocarcinoma with liver metastasis.Journal of gastrointestinal oncology · 2025Article
- Endoscopic Diagnosis of Small Bowel Tumor.Cancers · 2024Review
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56 authors at 20 institutions in 1 country.
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Abstract
backgroundThe clinicopathological features and prognosis of primary small bowel adenocarcinoma (PSBA), excluding duodenal cancer, remain undetermined due to its rarity in Japan.
methodsWe analyzed 354 patients with 358 PSBAs, between January 2008 and December 2017, at 44 institutions affiliated with the Japanese Society for Cancer of the Colon and Rectum.
resultsThe median age was 67 years (218 males, 61.6%). The average tumor size was 49.9 (7-100) mm. PSBA sites consisted of jejunum (66.2%) and ileum (30.4%). A total of 219 patients (61.9%) underwent diagnostic small bowel endoscopy, including single-balloon endoscopy, double-balloon endoscopy, and capsule endoscopy before treatment. Nineteen patients (5.4%) had Lynch syndrome, and 272 patients (76.8%) had symptoms at the initial diagnosis. The rates for stages 0, I, II, III, and IV were 5.4%, 2.5%, 27.1%, 26.0%, and 35.6%, respectively. The 5-year overall survival rates at each stage were 92.3%, 60.0%, 75.9%, 61.4%, and 25.5%, respectively, and the 5-year disease-specific survival (DSS) rates were 100%, 75.0%, 84.1%, 59.3%, and 25.6%, respectively. Patients with the PSBA located in the jejunum, with symptoms at the initial diagnosis or advanced clinical stage had a worse prognosis. However, multivariate analysis using Cox-hazard model revealed that clinical stage was the only significant predictor of DSS for patients with PSBA.
conclusionsOf the patients with PSBA, 76.8% had symptoms at the initial diagnosis, which were often detected at an advanced stage. Detection during the early stages of PSBA is important to ensure a good prognosis.
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