Risk factors and patterns of lymph node involvement in primary gastric large B-cell lymphoma: implications for target definition
Authors Zhang X, Wang P, Zhao L, Yuan Z, Wang P
Received 14 April 2016
Accepted for publication 23 May 2016
Published 29 July 2016 Volume 2016:9 Pages 4757—4762
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Manfred Beleut
Peer reviewer comments 2
Editor who approved publication: Professor Min Li
Ximei Zhang, Peiguo Wang, Lujun Zhao, Zhiyong Yuan, Ping Wang
Department of Radiation Oncology, Tianjin’s Clinical Research Center for Cancer and Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, People’s Republic of China
Background: The aim of this study was to identify the appropriate radiation volume for primary gastric diffuse large B-cell lymphoma (PG-DLBCL).
Methods: We retrospectively analyzed the clinical and pathological findings of 68 patients treated with total gastrectomy and D2 lymphadenectomy.
Results: There were 23, 14, and 29 patients with stage I, stage II, and stage IIE disease, respectively, and 30 patients had lymph node involvement. Primary tumor location, as well as the depth of invasion, was significantly associated with lymph node involvement. When the tumor was limited to the muscularis, the involved lymph nodes were found to be perigastric nodes. For tumors invading beyond the muscularis, regional lymph nodes were involved.
Conclusion: The optimal radiation volume for patients with PG-DLBCL is largely dependent on the primary location and depth of invasion. Larger series and longer follow-up are needed to further delineate the radiation volumes for PG-DLBCL.
Keywords: primary gastric lymphoma, failure patterns, radiotherapy, chemotherapy, prognosis
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