ArticleWorld journal of gastroenterology2013
Clonal immunoglobulin heavy chain and T-cell receptor γ gene rearrangements in primary gastric lymphoma.
Article in World journal of gastroenterology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 6 citations in OpenAlex.
- BCL-1 Gene Rearrangements in Iranian Non-Hodgkin Lymphoma Patients.Global journal of health science · 2016Article
- Evaluation diagnostic usefulness of immunoglobulin light chains (Igκ, Igλ) and incomplete IGH D-J clonal gene rearrangements in patients with B-cell non-Hodgkin lymphomas using BIOMED-2 protocol.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2014Article
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9 authors at 1 institution in 1 country.
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Abstract
aimTo study the diagnostic value of immunoglobulin heavy chain (IgH) and T-cell receptor γ (TCR-γ) gene monoclonal rearrangements in primary gastric lymphoma (PGL).
methodsA total of 48 patients with suspected PGL at our hospital were prospectively enrolled in this study from January 2009 to December 2011. The patients were divided into three groups (a PGL group, a gastric linitis plastica group, and a benign gastric ulcer group) based on the pathological results (gastric mucosal specimens obtained by endoscopy or surgery) and follow-up. Endoscopic ultrasonography (EUS) and EUS-guided biopsy were performed in all the patients. The tissue specimens were used for histopathological examination and for IgH and TCR-γ gene rearrangement polymerase chain reaction analyses.
resultsEUS and EUS-guided biopsy were successfully performed in all 48 patients. In the PGL group (n = 21), monoclonal IgH gene rearrangements were detected in 14 (66.7%) patients. A positive result for each set of primers was found in 12 (57.1%), 8 (38.1%), and 4 (19.0%) cases using FR1/JH, FR2/JH, and FR3/JH primers, respectively. Overall, 12 (75%) patients with mucosal-associated lymphoid tissue lymphoma (n = 16) and 2 (40%) patients with diffuse large B-cell lymphoma (n = 5) were positive for monoclonal IgH gene rearrangements. No patients in the gastric linitis plastica group (n = 17) and only one (10%) patient in the benign gastric ulcer group (n = 10) were positive for a monoclonal IgH gene rearrangement. No TCR-γ gene monoclonal rearrangements were detected. The sensitivity of monoclonal IgH gene rearrangements was 66.7% for a PGL diagnosis, and the specificity was 96.4%. In the PGL group, 8 (100%) patients with stage IIE PGL (n = 8) and 6 (46.1%) patients with stage IE PGL (n = 13) were positive for monoclonal IgH gene rearrangements.
conclusionIgH gene rearrangements may be associated with PGL staging and may be useful for the diagnosis of PGL and for differentiating between PGL and gastric linitis plastica.
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