ArticleActa neuropathologica communications2019
Tumors diagnosed as cerebellar glioblastoma comprise distinct molecular entities.
Article in Acta neuropathologica communications, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 3 of them syntheses that pooled it.
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Who cites it
42 citing papers in PubMed, 3 syntheses or guidelines pooled it, 62 citations in OpenAlex.
- Cerebellar glioblastoma in adults: a comparative single-center matched pair analysis and systematic review of the literature.Journal of cancer research and clinical oncology · 2024Pooled it
- Prognostic Implication of Patient Age in H3K27M-Mutant Midline Gliomas.Frontiers in oncology · 2022Pooled it
- cIMPACT-NOW update 6: new entity and diagnostic principle recommendations of the cIMPACT-Utrecht meeting on future CNS tumor classification and grading.Brain pathology (Zurich, Switzerland) · 2020Guideline
- Diffuse pediatric-type high-grade glioma, H3-wildtype and IDH-wildtype, of the adult cerebellum: a report of 2 cases.Brain tumor pathology · 2026Article
- Comparison between molecular and histological IDH-wild-type glioblastoma and extensive subgroup analysis of IDH-wild-type astrocytic tumors without genomic glioblastoma-defining alterations.Journal of neuro-oncology · 2026Article
- Biphasic high-grade cerebellar glioma with epithelial-like components: challenges in integrated diagnosis imposed by limited sampling.Brain tumor pathology · 2026Article
- Comment on: "Extent of resection and adjuvant treatment in adult cerebellar glioblastoma: systematic review and meta-analysis of survival outcomes".Journal of neuro-oncology · 2026Article
- Chemotherapy in adult patients with pilocytic astrocytoma: a retrospective multicenter cohort study.Journal of neuro-oncology · 2025Article
- Letter to the editor regarding: "Recurrence patterns and clinical outcomes in adult cerebellar glioblastoma".Acta neurochirurgica · 2025Article
- Recurrence patterns and clinical outcomes in adult cerebellar glioblastoma.Acta neurochirurgica · 2025Article
- The Spectrum of IDH- and H3-Wildtype High-Grade Glioma Subgroups Occurring across Teenage and Young Adult Patient Populations.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Article
- Reclassification of pineal tumor as high-grade astrocytoma with piloid features through methylation profiling: illustrative case.Journal of neurosurgery. Case lessons · 2025Article
- High-grade astrocytoma with piloid features: a single-institution case series and literature review.Acta neuropathologica communications · 2025Review
- A Radiologist's Guide to IDH-Wildtype Glioblastoma for Efficient Communication With Clinicians: Part I-Essential Information on Preoperative and Immediate Postoperative Imaging.Korean journal of radiology · 2025Review
- Clinical characteristics, molecular reclassification trajectories and DNA methylation patterns of long- and short-term survivors of WHO grade II and III glioma.Journal of neurology · 2025Article
- Freiburg Neuropathology Case Conference : Posterior fossa tumour 15 years after microsurgical resection of a cerebellar pilocytic astrocytoma.Clinical neuroradiology · 2024Article
- Recurrent symptomatic intracranial hemorrhage in high-grade astrocytoma with piloid features: illustrative case.Journal of neurosurgery. Case lessons · 2024Article
- High-Grade Astrocytoma with Piloid Features: A Dual Institutional Review of Imaging Findings of a Novel Entity.AJNR. American journal of neuroradiology · 2024Article
- Article
- "De novo replication repair deficient glioblastoma, IDH-wildtype" is a distinct glioblastoma subtype in adults that may benefit from immune checkpoint blockade.Acta neuropathologica · 2023Article
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45 authors at 20 institutions in 3 countries.
Funding
Abstract
In this multi-institutional study we compiled a retrospective cohort of 86 posterior fossa tumors having received the diagnosis of cerebellar glioblastoma (cGBM). All tumors were reviewed histologically and subjected to array-based methylation analysis followed by algorithm-based classification into distinct methylation classes (MCs). The single MC containing the largest proportion of 25 tumors diagnosed as cGBM was MC anaplastic astrocytoma with piloid features representing a recently-described molecular tumor entity not yet included in the WHO Classification of Tumours of the Central Nervous System (WHO classification). Twenty-nine tumors molecularly corresponded to either of 6 methylation subclasses subsumed in the MC family GBM IDH wildtype. Further we identified 6 tumors belonging to the MC diffuse midline glioma H3 K27 M mutant and 6 tumors allotted to the MC IDH mutant glioma subclass astrocytoma. Two tumors were classified as MC pilocytic astrocytoma of the posterior fossa, one as MC CNS high grade neuroepithelial tumor with BCOR alteration and one as MC control tissue, inflammatory tumor microenvironment. The methylation profiles of 16 tumors could not clearly be assigned to one distinct MC. In comparison to supratentorial localization, the MC GBM IDH wildtype subclass midline was overrepresented, whereas the MCs GBM IDH wildtype subclass mesenchymal and subclass RTK II were underrepresented in the cerebellum. Based on the integration of molecular and histological findings all tumors received an integrated diagnosis in line with the WHO classification 2016. In conclusion, cGBM does not represent a molecularly uniform tumor entity, but rather comprises different brain tumor entities with diverse prognosis and therapeutic options. Distinction of these molecular tumor classes requires molecular analysis. More than 30% of tumors diagnosed as cGBM belong to the recently described molecular entity of anaplastic astrocytoma with piloid features.
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