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Reactive Lymphoreticular Hyperplasia of the Duodenal Bulb, Report of a Case Noriaki Manabe 1 , Yasuhiko Kitadai 1 , Shinji Tanaka 1 1Department of Endoscopy, Hiroshima University School of Medicine Keyword: 十二指腸RLH , IgH-PCR法 pp.1089-1095
Published Date 2001/7/25
DOI https://doi.org/10.11477/mf.1403103288
  • Abstract
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 A 52-year-old woman was admitted to our hospital for a close examination and treatment of an ulcerative lesion in the duodenal bulb. X-ray examination showed multiple small barium flecks and flat protrusions in the duodenal bulb. Endoscopic examination showed erosions, erythemas, nodular elevations, and fold convergence in the duodenal bulb. Ultrasonography showed thickening of the mucosal layer with a low echogenic level. The histology of this case was reviewed carefully and repeatedly on the suspicion of malignant lymphoma. However, the only location in which massive infiltration of the small lymphocytes with swelled lymph follicles was seen was in the duodenal bulb, and no evidence of malignancy was detected. Immunohistochemistry and molecular study concerning IgH rearrangement showed no monoclonality of the infiltrating lymphocytes. This case was diagnosed as reactive lymphoreticular hyperplasia (RLH) of the duodenal bulb.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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