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EBV and post-transplant lymphoproliferative disorder: a complex relationship.

Hematology Am Soc Hematol Educ Program

December 2024

Department of Pediatrics, Division of Hematology and Oncology, Baylor College of Medicine, Houston, TX.

Post-transplant lymphoproliferative disorders (PTLD) are a heterogeneous category of disease entities occurring in the context of iatrogenic immune suppression. Epstein-Barr virus (EBV)-driven B-cell lymphoproliferation represents the prototype of quintessential PTLD, which includes a range of histologies named nondestructive, polymorphic, and monomorphic EBV+ diffuse large B-cell lymphoma (DLBCL) PTLD. While EBV is associated with the majority of PTLD cases, other drivers of lymphoid neoplasia and lymphoma transformation can occur-with or without EBV as a codriver-thus underlining its vast heterogeneity.

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A 75-year-old man diagnosed with esophageal cancer and lung metastasis received a combination of fluorouracil, cisplatin, and pembrolizumab. During pembrolizumab maintenance therapy, lymphoproliferative lesions at the lips and mouth and multiple lymph node swellings appeared. Histologically, Epstein-Barr virus (EBV)-encoded RNA was positive, and EBV-DNA was detected in the blood.

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Article Synopsis
  • Patients with immunodeficiency are at a higher risk of developing certain cancers, particularly mature lymphoid neoplasms and lymphoproliferative disorders.
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Drug reaction with eosinophilia and systemic symptoms (DRESS) is a severe hypersensitivity reaction characterized by cutaneous rash, lymphadenopathy, fever, eosinophilia, leukocytosis, and life-threatening organ dysfunctions. We describe the case of a 26 year old patient admitted to the Emergency Department for DRESS syndrome after sulfasalazine treatment for rheumatoid arthritis in the right knee. Whole body computer tomography showed multiple neck, chest, and abdominal lymphadenopathy with splenomegaly, massive ascites and severe hepatic cytolysis.

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