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Rationale for radiotherapy as a treatment modality in gastric mucosa-associated lymphoid tissue lymphoma

Authors
 Won Park  ;  Sei Kyung Chang  ;  Woo Ick Yang  ;  Young Hyeh Ko  ;  Seung Jae Huh  ;  Yong Chan Ahn  ;  Chang-Ok Suh 
Citation
 INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, Vol.58(5) : 1480-1486, 2004-04 
Journal Title
 INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS 
ISSN
 0360-3016 
Issue Date
2004-04
MeSH
Adult ; Aged ; Female ; Humans ; Lymphatic Metastasis ; Lymphoma, B-Cell, Marginal Zone / pathology ; Lymphoma, B-Cell, Marginal Zone / radiotherapy* ; Male ; Middle Aged ; Neoplasm Invasiveness ; Retrospective Studies ; Stomach Neoplasms / pathology ; Stomach Neoplasms / radiotherapy*
Abstract
Purpose: To provide a rationale for the use of local radiotherapy (RT) for the treatment of low-grade mucosa-associated lymphoid tissue lymphoma of the stomach (MLS). In addition, the clinicopathologic characteristics were analyzed. Methods and materials: The data of 72 patients with MLS, who underwent radical surgery between 1991 and 2001, were retrospectively reviewed. The depth of invasion into the gastric wall and the pattern of lymph node spread according to pathologic grade were analyzed. Results: The patient age range was 24-77 years (median, 51 years). Of the 72 patients, 45 (62.5%) had low-grade and 27 (37.5%) had high-grade MLS; 44 (61%) had Stage I and 28 (39%) Stage II. The tumors were confined to the mucosa or submucosa in 43 patients (58.9%). Sixty-seven percent of low-grade tumors and 48% of high-grade tumors were confined to the mucosa and submucosa. Lymph node involvement was identified in 24.4% of the low-grade MLS patients and 63.0% of the high-grade MLS patients. In the low-grade group, lymph node involvement was limited to the perigastric lymph nodes in all cases except for one. One patient with tumor infiltration beyond the serosa had extensive lymph node involvement into the paraaortic and omental lymph nodes. Conclusion: Local RT to the stomach and regional lymphatics can be applied preferably instead of gastrectomy in patients with low-grade MLS who are negative for Helicobacter pylori or are refractory to anti-H. pylori therapy. The timing of RT and the exclusion criteria for RT should be determined in the future.
Full Text
https://www.sciencedirect.com/science/article/pii/S0360301603019229
DOI
10.1016/j.ijrobp.2003.09.002
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Suh, Chang Ok(서창옥)
Yang, Woo Ick(양우익) ORCID logo https://orcid.org/0000-0002-6084-5019
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178823
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