Encyclopedia of Cancer

Living Edition
| Editors: Manfred Schwab

Leptomeningeal Dissemination

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27841-9_3313-2

Synonyms

Definition

Tumor cell spread into leptomeningeal structures of the brain and/or spine.

Characteristics

Leptomeningeal spreading is a major disease complication in primary central nervous system (CNS) tumors; in solid tumors outside the CNS such as breast cancer, lung cancer, gastrointestinal cancer, and melanoma; and in hematological malignancies. Leptomeningeal dissemination can occur at initial diagnosis (primary dissemination) or during the course of the disease following initial therapy (secondary dissemination), but it is usually a late manifestation of malignant diseases and almost always associated with active tumor disease. Primary leptomeningeal disease is found mostly in primary brain tumors, sarcomas, neuroblastomas, lymphomas, and leukemia. Secondary dissemination occurs mostly in lung and breast carcinomas but also in leukemia and lymphomas and...

Keywords

Primary Central Nervous System Lymphoma Primary Brain Tumor Leptomeningeal Metastasis Acute Myeloblastic Leukemia Intracranial Hypotension 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of PediatricsKlinik St. Hedwig, Krankenhaus der Barmherzigen BrüderRegensburgGermany
  2. 2.Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescence MedicineMedical University of GrazGrazAustria