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Large B-cell lymphoma (LBCL) carrying MYC rearrangement, alone or together with BCL2 and/or BCL6 translocations, have shown a poor prognosis when treated with rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) in the HIV population. Scanty data are available on the prevalence and prognostic impact of MYC rearrangements in HIV-associated LBCL. We conducted a retrospective study to evaluate the clinical effect of MYC rearrangement in HIV-associated LBCL.

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Article Synopsis
  • A study of 55 cases of blastoid high-grade B-cell lymphoma (HGBL), not otherwise specified (NOS), was conducted to understand their characteristics compared to other types of HGBL, including 81 non-blastoid cases and 62 cases with MYC and BCL2 rearrangements (double/triple-hit lymphoma).
  • Patients with blastoid HGBL-NOS had common features with other groups but showed a higher frequency of previous low-grade B-cell lymphoma, bone marrow involvement, and BCL2 rearrangement, with a significant presence of MYC rearrangement linked to more aggressive disease and worse survival rates.
  • The research highlighted that blastoid HGBL-NOS, despite having similarities to other types
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, and are major oncogenes in B-cell lymphoma. Their aberrant activation frequently occurs via chromosomal translocations which juxtapose light or heavy chain immunoglobulin (IG) genes to and or fuse diverse partner genes with . So-called double-hit lymphomas usually carry and rearrangements, while triple-hit lymphomas additionally bear -fusions.

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Background: Central nervous system (CNS) prophylactic options for diffuse large B-cell lymphoma (DLBCL) are administered differently in most centers. Unfortunately, there is still not a consensus on which patients, which regimen, for how many cycles, and when prophylaxis should be administered. Thus, this remains an unmet clinical need.

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Background: Anti-glomerular basement membrane (GBM) disease is a rare rapidly progressive glomerulonephritis, frequently associated with alveolar hemorrhage in the lungs and involving the kidney by crescentic glomerulonephritis. It has been described in association with other glomerulonephritides [such as anti-neutrophilic antibody (ANCA)-glomerulonephritis, membranous nephropathy, and immunoglobulin (Ig)A nephropathy].

Case Summary: Herein we present an unusual case of concurrent anti-GBM disease, ANCA-associated crescentic glomerulonephritis and diffuse proliferative immune complex mediated glomerulonephritis with predominant staining for IgA and C3 by immunofluorescence.

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