Document Detail

Incidence of gastric involvement in patients with nongastrointestinal extranodal marginal zone lymphoma.
MedLine Citation:
PMID:  24048794     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The current study was conducted to determine the incidence of gastric involvement in patients presenting with extranodal marginal zone lymphoma (MZL) outside the gastrointestinal (GI) tract and to identify clinical or laboratory parameters that predict gastric involvement in such cases.
METHODS: The records of 121 consecutive patients who presented with non-GI extranodal MZL and had undergone esophagogastroduodenoscopy (EGD) as part of their initial workup were retrospectively reviewed. The authors assessed the presence of occult gastric MZL in these patients and possible associations with demographic characteristics; anatomic site of initial presentation; Helicobacter pylori (H. pylori) infection; Zubrod score; International Prognostic Index (IPI); B symptoms; and serum lactate dehydrogenase, hemoglobin, albumin, and β2-microglobulin levels.
RESULTS: The median age at diagnosis of non-GI MZL was 59 years. The most common primary tumor sites were the salivary/parotid gland (32 patients), ocular adnexa (26 patients), skin (19 patients), and lung (17 patients). Twenty-two patients (18%) were found to have gastric involvement on EGD. Using logistic regression analysis, factors found to be associated with gastric involvement included: high IPI score (odds ratio [OR], 3.70; P = .03), female sex (OR, 6.50; P = .02), serum β2-microglobulin level of ≥ 2.5 mg/L (OR, 3.69; P = .02), and involvement of the aerodigestive mucosal/glandular tissue (OR, 4.50; P = .004). On multivariate logistic analysis, aerodigestive mucosal/glandular sites, H. pylori infection, and an elevated β2-microglobulin level were found to be associated with gastric involvement.
CONCLUSIONS: Routine EGD is recommended for patients with non-GI MZL, particularly those with primary aerodigestive mucosal/glandular tissue involvement or those with a high IPI, female sex, elevated serum β2-microglobulin level, or H. pylori infection regardless of the primary tumor site.
Ali Mazloom; Alma Rodriguez; Chul S Ha; L Jeffery Medeiros; Christine Wogan; Ferial Shihadeh; Pamela Allen; Nathan Fowler; Bouthaina Dabaja
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Publication Detail:
Type:  Journal Article     Date:  2010-12-14
Journal Detail:
Title:  Cancer     Volume:  117     ISSN:  1097-0142     ISO Abbreviation:  Cancer     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2013-09-19     Completed Date:  2013-11-15     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  0374236     Medline TA:  Cancer     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2461-6     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2010 American Cancer Society.
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MeSH Terms
Aged, 80 and over
Lymphoma, B-Cell, Marginal Zone / epidemiology*,  metabolism,  pathology
Middle Aged
Retrospective Studies
Stomach Neoplasms / epidemiology*,  metabolism,  pathology
Young Adult
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