CNS International Prognostic Index in Diffuse Large B-Cell Lymphoma (CNS-IPI)

Estimate risk of CNS relapse/progression in diffuse large B-cell lymphoma

The global unit selector only affects unanswered questions
2.Performance Status?
4.Extranodal Sites?
6.Kidney and/or Adrenal involvement?
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1. Age?

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About this Calculator

CNS recurrence/progression in patients with DLBCL can be devastating. Although some studies suggest a decline in the occurrence of CNS relapse in the rituximab era, certain high risk groups can still be identified and should be considered for CNS-directed trials or prophylactic therapies.

The CNS-IPI was derived from a population of patients (n=2164) enrolled in the German clinical trials and subsequently validated in a population of 1597 patients treated in British Columbia, Canada. The score is based on the original IPI factors with the addition of kidney and/or adrenal involvement. The final score is able to differentiate patients into 3 distinct prognostic groups for CNS recurrence/progression.


Schmitz, et al.

CNS International Prognostic Index: A Risk Model for CNS Relapse in Patients With Diffuse Large B-Cell Lymphoma Treated With R-CHOP.

Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology 2016 September 10, 34 (26): 3150-6

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