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Related Experiment Videos

Neoplastic meningitis.

L Kim1, M J Glantz

  • 1Department of Medicine, East Carolina University, Brody School of Medicine, Greenville, NC 27858, USA. kiml@mail.ecu.edu

Current Treatment Options in Oncology
|June 12, 2002
PubMed
Summary

Neoplastic meningitis, a serious complication of cancer, is often under-diagnosed despite increasing incidence. Early detection and comprehensive treatment of central nervous system involvement are crucial for improving patient outcomes.

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Area of Science:

  • Neuro-oncology
  • Medical diagnostics
  • Cancer metastasis

Background:

  • Neoplastic meningitis (NM) affects 4-7% of cancer patients but is frequently under-diagnosed.
  • Increasing incidence is linked to improved diagnostics, longer survival, and delayed CNS symptoms.
  • Diagnosis is challenging due to microscopic metastases undetectable by MRI, leading to delayed treatment.

Purpose of the Study:

  • To highlight the diagnostic challenges and current treatment strategies for neoplastic meningitis.
  • To emphasize the need for improved early detection methods for malignant cells in cerebrospinal fluid (CSF).
  • To discuss the limitations of current therapies and the importance of whole-neuraxis treatment.

Main Methods:

  • Review of clinical recognition, neuroimaging (MRI), and cerebrospinal fluid (CSF) cytology for neoplastic meningitis diagnosis.
  • Analysis of treatment modalities including intrathecal chemotherapy and radiation therapy.
  • Discussion of limitations of current diagnostic and therapeutic approaches.

Main Results:

  • CSF cytology misses malignant cells in up to one-third of clinically suspected NM cases.
  • Current treatments, including intrathecal chemotherapy, struggle with bulky disease and delayed stabilization.
  • Neoplastic meningitis diagnosis often occurs late, correlating with a poor prognosis and widespread CNS dissemination.

Conclusions:

  • Neoplastic meningitis requires improved diagnostic sensitivity for early detection.
  • Comprehensive treatment targeting the entire central nervous system is essential.
  • Ongoing research into novel assays and alternative therapies is critical for better patient outcomes.

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