Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2016
Management of Primary Gastrointestinal Non-Hodgkin Lymphomas: a Population-Based Survival Analysis.
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Shannon Evan Michael, MacQueen Ian T, Miller Jeffrey M, Maggard-Gibbons Melinda
Аннотация
INTRODUCTION: Primary gastrointestinal non-Hodgkin lymphomas (PGINHL) are a heterogeneous group of rare GI malignancies with limited data to guide management. This study describes management of PGINHL in a population-based registry and aims to determine the association between receipt of surgery and long-term survival.
METHODS: All adults diagnosed with PGINHL over 27 years in the Surveillance, Epidemiology, and End Results were identified (excluding mucosa-associated lymphoid tissue lymphomas). Demographic and clinical characteristics were assessed. Survival was compared using the log-rank method. Cox hazard modeling was used to determine independent prognostic factors.
RESULTS: We identified 16,129 patients. The majority were of gastric origin and had diffuse large B cell histology. Surgery was performed in 46.9 % of patients, not recommended in 41.8 % and recommended but not performed in 10.1 %. Overall 1-year and 5-year survival rates were 65.6 and 35.6 %, respectively. Patients undergoing surgery had a 5-year survival of 43.6 % compared to 34.8 % for whom surgery was recommended but not performed (p < .0001), (receipt of chemotherapy not available). Female gender, gastric location, follicular or mantle cell histology, and radiation therapy were associated with improved survival.
CONCLUSIONS: Nearly 50 % of PGINHL patients underwent surgery. Surgery was not associated with improved survival. More prospective, case-matched studies are needed to guide management.
METHODS: All adults diagnosed with PGINHL over 27 years in the Surveillance, Epidemiology, and End Results were identified (excluding mucosa-associated lymphoid tissue lymphomas). Demographic and clinical characteristics were assessed. Survival was compared using the log-rank method. Cox hazard modeling was used to determine independent prognostic factors.
RESULTS: We identified 16,129 patients. The majority were of gastric origin and had diffuse large B cell histology. Surgery was performed in 46.9 % of patients, not recommended in 41.8 % and recommended but not performed in 10.1 %. Overall 1-year and 5-year survival rates were 65.6 and 35.6 %, respectively. Patients undergoing surgery had a 5-year survival of 43.6 % compared to 34.8 % for whom surgery was recommended but not performed (p < .0001), (receipt of chemotherapy not available). Female gender, gastric location, follicular or mantle cell histology, and radiation therapy were associated with improved survival.
CONCLUSIONS: Nearly 50 % of PGINHL patients underwent surgery. Surgery was not associated with improved survival. More prospective, case-matched studies are needed to guide management.