دورية أكاديمية
Leptomeningeal dissemination in pediatric brain tumors.
| العنوان: | Leptomeningeal dissemination in pediatric brain tumors. |
|---|---|
| المؤلفون: | Cocito, Carolina1 (AUTHOR), Martin, Brice1 (AUTHOR), Giantini-Larsen, Alexandra M.1 (AUTHOR), Valcarce-Aspegren, Marcus1,2 (AUTHOR), Souweidane, Mark M.1 (AUTHOR), Szalontay, Luca3 (AUTHOR), Dahmane, Nadia1 (AUTHOR), Greenfield, Jeffrey P.1 (AUTHOR) Jpgreenf@med.cornell.edu |
| المصدر: | Neoplasia. May2023, Vol. 39, pN.PAG-N.PAG. 1p. |
| مصطلحات موضوعية: | *SEED dispersal, *COMORBIDITY, *BRAIN tumors, *CEREBROSPINAL fluid, *MEDICAL screening, *MEDULLOBLASTOMA |
| مستخلص: | Leptomeningeal disease (LMD) in pediatric brain tumors (PBTs) is a poorly understood and categorized phenomenon. LMD incidence rates, as well as diagnosis, treatment, and screening practices, vary greatly depending on the primary tumor pathology. While LMD is encountered most frequently in medulloblastoma, reports of LMD have been described across a wide variety of PBT pathologies. LMD may be diagnosed simultaneously with the primary tumor, at time of recurrence, or as primary LMD without a primary intraparenchymal lesion. Dissemination and seeding of the cerebrospinal fluid (CSF) involves a modified invasion-metastasis cascade and is often the result of direct deposition of tumor cells into the CSF. Cells develop select environmental advantages to survive the harsh, nutrient poor and turbulent environment of the CSF and leptomeninges. Improved understanding of the molecular mechanisms that underlie LMD, along with improved diagnostic and treatment approaches, will help the prognosis of children affected by primary brain tumors. [ABSTRACT FROM AUTHOR] |
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