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  • Title: Gastric cancer in the remnant stomach after pancreaticoduodenectomy: A case series.
    Author: Sonoda K, Samdani RT, Ikoma N, Kaya DM, Blum-Murphy M, Ajani JA, Badgwell BD, Katz MH, Rashid A, Estrella JS.
    Journal: J Surg Oncol; 2019 Dec; 120(7):1137-1141. PubMed ID: 31498442.
    Abstract:
    BACKGROUND: Gastric cancer (GC) occasionally develops in the remnant stomach following pancreaticoduodenectomy (PD). In those who have undergone PD for adenocarcinoma, however, the interval and frequency of anastomotic GC are unknown. METHODS: We searched our institutional database for patients who had undergone PD for adenocarcinoma and subsequently developed GC between 1994 and 2018 and found six patients. We summarized the clinicopathologic features and prognosis of these patients with anastomotic GC. RESULTS: The median interval from PD to development of GC was 111.5 months. Four patients underwent curative resection of gastrojejunal anastomosis. Pathologic analysis showed signet ring cell carcinoma in four patients. The median overall survival after developing GC was 61 months. CONCLUSION: Our findings indicate that GC in the remnant stomach after PD is rare but can occur at gastrojejunostomy anastomosis after a prolonged period. Periodic and long-term follow-up +/- surveillance endoscopy to facilitate early detection of GC in the remnant stomach is recommended, particularly for symptomatic patients. Recognition of the anastomotic tumor as a second primary and not a pancreatic ductal adenocarcinoma recurrence/metastasis is crucial in the optimal treatment of these patients, as curative resection of early-stage GC may prolong survival.
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