Carcinomatous Meningitis: It Does Not Have to Be a Death Sentence

ABSTRACT: Carcinomatous meningitis, specifically leptomeningeal metastases from solid tumors, has a dismal prognosis, with an overall median survival of 2 to 4 months. Lymphomatous meningitis has a better outlook, with a median survival of more than 6 months, but diagnosis may be delayed and treatment is not curative. Despite these poor statistics, there are subsets of patients who do relatively well. Moreover, there are a number of new approaches to the diagnosis and treatment of leptomeningeal metastases that promise to extend life and prevent disability. These include molecular techniques of diagnosis, expanding the repertoire of drugs available for intrathecal administration, using systemic chemotherapy to treat leptomeningeal disease, and applying strategies such as gene therapy and immunotoxins to the management of leptomeningeal metastases. These novel approaches offer the hope of liberating patients from a death sentence and providing clinicians with effective weapons in the fight against a dreaded neurologic complication of systemic cancer. [ONCOLOGY 16:237-250, 2002]

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