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Divergent evolution of metachronous follicular lymphoma and extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue from a common precursor.
J Pathol
September 2023
Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK.
The translocation t(14;18)(q32:q21)/IGH::BCL2 occurs at the pre-B stage of B-cell development in the bone marrow and is insufficient for malignant transformation, although it leads to the formation of in situ follicular B-cell neoplasia (ISFN). Despite that, the translocation is the genetic hallmark of follicular lymphoma (FL), it occurs infrequently in metachronous/synchronous lymphomas, including extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (EMZL), mantle cell lymphoma, and Hodgkin's lymphoma. In each of these scenarios, the two lymphomas often appear to be clonally related by analyses of IGH::BCL2 and/or rearranged IG genes.
View Article and Find Full Text PDFSynchronous pulmonary MALT lymphoma and squamous cell lung cancer: a case report.
World J Surg Oncol
June 2023
Department of Thoracic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China.
Pulmonary B-cell lymphoma in the extranodal marginal zone of mucosa-associated lymphoid tissue (MALT), a rare tumor originating from bronchial mucosa-associated lymphoid tissue, is the major histologic type of primary pulmonary lymphoma. Combined lung squamous cell carcinoma with pulmonary MALT lymphoma is rare. A 63-year-old male patient presented to the hospital because of a dry cough, and chest CT showed soft tissue density nodules in the upper lobe of the right lung, the boundary was visible lobulation and spiculation, and the middle lobe of the right lung showed patchy shadow, moderate enhancement, associated with bronchial traction.
View Article and Find Full Text PDFSynchronous occurrence of gastric adenocarcinoma and MALT-type lymphoma: A case report and literature review.
Radiol Case Rep
August 2023
Department of Radiology, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam.
The coexistence of multiple primary malignant tumors in an organ is rare. This includes the extremely rarely reported combination of gastric adenocarcinoma and gastric MALT-type lymphoma as synchronous tumors. We describe a case of a 72-year-old man diagnosed with this combination.
View Article and Find Full Text PDFArticle Synopsis
- The link between Crohn's disease and MALT lymphoma is unclear, and more case studies are needed to develop effective treatment strategies and understand the diseases' connection.
- Crohn's disease, a progressive condition causing bowel damage, has a low association with primary colonic MALT lymphoma, which makes up only 2.5% of all MALT lymphomas.
- A rare case of an elderly female patient was diagnosed with both Crohn's disease and MALT lymphoma, highlighting the need for further investigation into their relationship, especially since she had not received immunosuppressive therapy.
The clinicopathological characteristics of gastric cancer and precancerous conditions in gastric DLBCL and MALT lymphoma patients: a multi-center retrospective study.
Ann Med
December 2023
The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, People's Republic of China.
Objective: The objective of this study is to explore the clinicopathological characteristics of gastric cancer and precancerous conditions in patients with primary gastric lymphoma.
Methods: We analyzed 474 cases of primary gastric lymphoma, mainly DLBCL and MALT, from three clinical centres retrospectively, and compared the clinicopathological parameters of primary gastric lymphoma patients complicated with gastric cancer, precancerous conditions, or with no complications.
Results: A total of 5.
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