Preprint Case Report Version 1 Preserved in Portico This version is not peer-reviewed

Epstein-Barr Virus-negative Diffuse Large B Cell Lymphoma in a X-linked Severe Combined Immunodeficiency Patient: A Very Rare Condition

Version 1 : Received: 15 December 2023 / Approved: 18 December 2023 / Online: 18 December 2023 (13:00:33 CET)

How to cite: Rochate, D.; Duarte, S.; Gomes, R.S.; Peixeiro, R.P.; Silva, J.V.; Rodrigues, Â.; Leite, L.; Branca, R.; Lemos, S.; Guimarães, J.; Roncon, S.; Ferreira, A.M.; Vaz, C.P. Epstein-Barr Virus-negative Diffuse Large B Cell Lymphoma in a X-linked Severe Combined Immunodeficiency Patient: A Very Rare Condition. Preprints 2023, 2023121230. https://doi.org/10.20944/preprints202312.1230.v1 Rochate, D.; Duarte, S.; Gomes, R.S.; Peixeiro, R.P.; Silva, J.V.; Rodrigues, Â.; Leite, L.; Branca, R.; Lemos, S.; Guimarães, J.; Roncon, S.; Ferreira, A.M.; Vaz, C.P. Epstein-Barr Virus-negative Diffuse Large B Cell Lymphoma in a X-linked Severe Combined Immunodeficiency Patient: A Very Rare Condition. Preprints 2023, 2023121230. https://doi.org/10.20944/preprints202312.1230.v1

Abstract

Severe combined immunodeficiency disorders (SCID) are a genetically heterogeneous group of inherited defects characterized by severe abnormalities of immune system development and function that lead to a wide spectrum in clinical manifestations. A subgroup of patients presents a disabling and life-threatening clinical course. In these cases, allogeneic hematopoietic stem cell transplant provides a curative approach. The occurrence of SCID-associated lymphoproliferative disorders is rare and occur mostly in adenosine deaminase-deficient severe combined immunodeficiency disorders, after allogeneic hematopoietic stem cell transplant. Epstein Barr virus infection is present in the majority of individuals with primary immunodeficiency developing lymphoma, revealing compromised anti-tumour surveillance of virally transformed cells. Herein, we report a rare case of diffuse large B cell lymphoma occurring in an Epstein Barr virus negative, non-transplanted X-linked severe combined immunodeficiency 4-months-old infant, successfully treated with immunotherapy and allogeneic stem cell transplantation. This case suggests that Epstein Barr virus -independent mechanism of neoplastic transformation must take action in severe combined immunodeficiency associated lymphoma and unveils the curative potential of donor T cells after allogeneic transplantation.

Keywords

DLBCL; X-linked SCID; allogeneic stem cell transplantation; infant; lymphoma

Subject

Medicine and Pharmacology, Transplantation

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