USMLE

Primary CNS Lymphoma (PCNSL)

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Leukemias and Lymphomas
  1. Acute Myelogenous Leukemia (AML)
  2. Acute Promyelocytic Leukemia (APL)
  3. Acute Lymphocytic Leukemia (ALL)
  4. Chronic Myelogenous Leukemia (CML)
  5. Chronic Lymphocytic Leukemia (CLL)
  6. Hairy Cell Leukemia (HCL)
  7. Hodgkin Lymphoma
  8. Burkitt Lymphoma
  9. Diffuse Large B Cell Lymphoma (DLBCL)
  10. Follicular Lymphoma
  11. Mantle Cell Lymphoma
  12. Marginal Zone Lymphoma
  13. Primary CNS Lymphoma (PCNSL)
  14. Acute T-Cell Leukemia/Lymphoma (ATLL)
  15. Mycosis Fungoides / Sezary Syndrome

Summary

Primary CNS lymphoma is a non-Hodgkin B-cell lymphoma. It is associated with immunodeficiency, particularly HIV-AIDS, as well as the Epstein-Barr virus. On MRI, primary CNS lymphoma tends to show a solitary ring-enhancing lesion.