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[Lymphoproliferative disorders after renal transplantation in a child]

Sonia Márquez U1, María Soledad Peredo G, Andrea Vogel S

  • 1Unidad de Nefrología Pediátrica, Departamento de Pediatría, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile. smarquez@uc.cl

Revista Medica De Chile
|July 22, 2009
PubMed

Insights

Post-transplant lymphoproliferative disorder (PTLD) is a common malignancy in pediatric renal transplant recipients, often linked to Epstein-Barr virus (EBV). Early diagnosis and reduced immunosuppression led to a favorable outcome in a young patient.

Area of Science:

  • Pediatric Oncology
  • Transplantation Immunology
  • Virology

Background:

  • Post-transplant lymphoproliferative disorder (PTLD) is the most frequent malignancy in pediatric renal transplant recipients, occurring in 2-4% of cases.
  • PTLD is characterized by uncontrolled B lymphocyte proliferation, frequently associated with Epstein-Barr virus (EBV) infection.
  • Risk factors include younger age, EBV-seronegative status, and intensive immunosuppression.

Observation:

  • A 12-year-old girl presented with fever, sore throat, and lymphadenopathy six months post-renal allograft.
  • Clinical presentation and diagnostic workup were suggestive of PTLD.
  • Diagnosis was confirmed via biopsy.

Findings:

  • The patient was treated with reduced immunosuppression and close monitoring.
  • The treatment strategy resulted in a favorable clinical evolution.

Implications:

  • This case highlights the importance of high clinical suspicion for PTLD in pediatric renal transplant patients with risk factors.
  • Management involving immunosuppression reduction can lead to positive patient outcomes.
  • Further research into EBV-driven PTLD pathogenesis and targeted therapies is warranted.

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