Federal practitioner : for the health care professionals of the VA, DoD, and PHS · 2024
EBER-Negative, Double-Hit High-Grade B-Cell Lymphoma Responding to Methotrexate Discontinuation.
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Nai Nhi, Coffman Brittany B, Reiter Kimberly, Atweh George, Vashistha Vishal
Аннотация
BACKGROUND: First classified in 2016, high-grade B-cell lymphoma (HGBCL) is a lymphoid neoplasm that is typically seen as an aggressive lymphoproliferative disorder (LPD). In most patients with HGBCL, various oncogene rearrangements present with advanced clinical features, such as central nervous system involvement. Patients with underlying autoimmune and rheumatologic conditions, such as rheumatoid arthritis, are at higher risk for developing LPDs, including highly aggressive subtypes of non-Hodgkin lymphomas such as HGBCL.
CASE PRESENTATION: We present a case of stage IV double-hit HGBCL with the presence of MYC and BCL6 gene rearrangements in an older veteran with rheumatoid arthritis treated with methotrexate. An excellent sustained response was observed for the patient's disease within 4 weeks of methotrexate discontinuation. To our knowledge, this is the first reported response to methotrexate discontinuation for a patient with HGBCL.
CONCLUSIONS: Reducing immunosuppression should be considered in all patients with LPDs associated with autoimmune conditions or immunosuppressive medications, regardless of additional multiagent systemic therapy administration.
CASE PRESENTATION: We present a case of stage IV double-hit HGBCL with the presence of MYC and BCL6 gene rearrangements in an older veteran with rheumatoid arthritis treated with methotrexate. An excellent sustained response was observed for the patient's disease within 4 weeks of methotrexate discontinuation. To our knowledge, this is the first reported response to methotrexate discontinuation for a patient with HGBCL.
CONCLUSIONS: Reducing immunosuppression should be considered in all patients with LPDs associated with autoimmune conditions or immunosuppressive medications, regardless of additional multiagent systemic therapy administration.