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Updated: Aug 15, 2026

Minimally Invasive Cisterna Magna Injection Model for Leptomeningeal Metastasis Studies in Mice
Published on: May 23, 2025
Leptomeningeal metastases from leukemias and lymphomas
Craig P Nolan1, Lauren E Abrey
1Department of Neurology, Memorial Sloan-Kettering Cancer Center, 12745 York Avenue, New York, NY 10021, USA.
Abstract:
Leptomeningeal dissemination of lymphoma and leukemia differs from that of solid tumors in a number of clinically important aspects. Specific histologic variants of lymphoma and leukemia have such a high incidence of cerebrospinal fluid (CSF) dissemination that assessing CSF cytology at diagnosis is crucial and prophylactic therapy of the CSF compartment is required. Furthermore, while the overall prognosis for patients with leptomeningeal metastases from leukemia and lymphoma is similar to solid tumors, selected patients have excellent response to therapy and attain durable remission. Therefore, aggressive treatment is warranted.
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