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Karremann, M.* ; Rausche, U.* ; Fleischhack, G.* ; Nathrath, M. ; Peitsch, T.* ; Kramm, C.M.* ; Wolff, J.E.A.*

Clinical and epidemiological characteristics of pediatric gliosarcomas.

J. Neuro-Oncol. 97, 257-265 (2010)
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Gliosarcoma (GS) is a glioblastoma with a sarcomatous component that is presumed to be a metaplastic differentiation of glioma cells. We studied the clinical relevance of this histological glioblastoma subentity within the pediatric population. We obtained patient data from the German HIT-GBM database, which contains clinical data for more than 600 pediatric patients with centrally reviewed high-grade gliomas. By applying defined inclusion criteria (diagnosis of GS proven by central neuropathological review; patient age 0 to 21 years), four patients were identified. In addition, after a review of the English medical scientific literature, 19 additional cases were found. The relative frequency of GS in the German HIT-GBM database was only 1.9%. In the whole series of 23 pediatric GS patients, including previously reported cases, the male-to-female-ratio was 1.2:1. GS was found in all pediatric age groups with a median age of 11 years, but there was an unexpectedly high accumulation in infants (6 of 23 <3 years of age, 26%). GS showed a strong predilection of the cerebral hemispheres (22 out of 23 cases). Increased intracranial pressure was the leading symptom of a short clinical history with a median duration of 0.7 month. Interestingly, six patients (26%) were reported with a history of cranial radiotherapy prior to GS diagnosis. In 60% of the GS patients in our series, gross total resection was achieved. Median overall (OS) and event-free survivals (EFS) of the total cohort were 12.1 and 9.8 months, respectively. In conclusion, GS is a very rare tumor entity in children. Literature review suggests a relatively higher incidence in infants and in patients with a previous history of radiotherapy.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Gliosarcoma; Glioblastoma multiforme; Children; Infants; Case report; HIT-GBM trial; Clinical course; Review
ISSN (print) / ISBN 0167-594X
e-ISSN 1573-7373
Journal Journal of Neuro-Oncology
Quellenangaben Volume: 97, Issue: 2, Pages: 257-265 Article Number: , Supplement: ,
Publisher Springer
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) CCG Osteosarcoma (PATH-KOS)