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Related Experiment Videos

Posttransplant primary CNS lymphoma.

T G Phan1, B P O'Neill, P J Kurtin

  • 1Department of Neurology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA.

Neuro-Oncology
|March 27, 2001
PubMed
Summary

Post-transplant primary CNS lymphoma (PT-PCNSL) presents uniquely with rapid progression and poor survival. This rare condition requires distinct diagnostic and therapeutic considerations compared to typical primary CNS lymphoma.

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Area of Science:

  • Neurology
  • Oncology
  • Transplantation Medicine

Background:

  • Post-transplant primary CNS lymphoma (PT-PCNSL) is a rare complication following organ transplantation.
  • Understanding its distinct clinical and imaging features is crucial for timely diagnosis and management.

Purpose of the Study:

  • To retrospectively review cases of PT-PCNSL diagnosed at Mayo Clinic.
  • To characterize the clinical presentation, neuroimaging findings, diagnostic procedures, and outcomes of PT-PCNSL.

Main Methods:

  • Retrospective review of 8 organ transplant recipients diagnosed with PT-PCNSL between 1970 and 1998.
  • Analysis of clinical records, neuroimaging (CT and MRI), and histopathological findings.
  • Evaluation of diagnostic biopsy procedures and patient survival data.

Main Results:

  • PT-PCNSL presented nonspecifically with rapid neurological decline (median symptom duration 36 days).
  • MRI revealed additional lesions not seen on CT; contrast enhancement was heterogeneous in most cases.
  • Stereotactic biopsy was associated with significant morbidity (hemorrhage in 4 patients), and overall median survival was poor (13 weeks).

Conclusions:

  • PT-PCNSL exhibits distinct clinical and imaging characteristics compared to typical primary CNS lymphoma.
  • Rapid progression, nonspecific presentation, and high morbidity from stereotactic biopsy are key features.
  • Survival remains poor despite multimodal therapy, highlighting the need for improved treatment strategies.

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