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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 solid tumors (meningeal carcinomatosis)
Michiko Kimura Bruno1, Jeffrey Raizer
1Northwestern University, 710 North Lake Shore Drive, Chicago, Ill, USA.
Abstract:
Leptomeningeal metastases (LM) are increasingly recognized as a devastating complication of solid tumors. Improved treatment of primary malignancy and advances in diagnostic imaging have led to an apparent increase in the number of patients diagnosed with LM. Unfortunately, therapeutic options remain limited. Radiotherapy is used to treat bulky tumor and provide symptomatic relief. Intrathecal chemotherapy benefits a selected subset of patients. The challenge to the future is to delineate the molecular mechanisms underlying LM and to develop novel therapeutic or prophylactic modalities to combat LM.
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