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Biomédica
versión impresa ISSN 0120-4157versión On-line ISSN 2590-7379
Resumen
F. JURADO, Leonardo et al. Post-transplant lymphoproliferative disorders in a cohort of adult patients with a liver transplant from a reference hospital in Bogotá, Colombia. Biomed. [online]. 2020, vol.40, n.3, pp.498-506. Epub 30-Jun-2020. ISSN 0120-4157. https://doi.org/10.7705/biomedica.4861.
Introduction:
The post-transplant lymphoproliferative disorders (PTLD) are characterized by an uncontrolled pathological lymphoid proliferation as a consequence of transplant immunosuppression therapy.
Objective:
To characterize the clinical and pathological characteristics of PTLD in a cohort of adult patients with liver transplant during a 15 year period at the Hospital Universitario Fundación Santa Fe de Bogota.
Materials and methods:
We conducted an observational retrospective study by searching for the PTLD cases diagnosed during the study period in the databases of the Liver Transplantation Unit and the Pathology Department. We collected the epidemiological, clinical, and pathological information and performed the corresponding statistics analyses.
Results:
During the research period, 572 patients were transplanted; the incidence of PTDL was 2.44%; 79% of them were man and the average age at the time of diagnosis was 62.5 years; 71% of the cases were diagnosed during the first year after the transplant and the same percentage EBV-seropositive patients. The most frequent pathological phenotype was monomorphic and the majority of tumors was detected in the hepatic hilum. The one-year survival was 50%.
Conclusion:
The high proportion of early cases and the high frequency of Epstein-Barr virus seropositivity both in donors and receptors drewour attention. More studies are necessary to have a better understanding of this condition in Colombia. This is the first PTLD clinical and pathological analysis in liver-transplant patients from Colombia to date.
Palabras clave : Lymphoproliferative disorders; lymphoma; liver transplantation; Colombia.