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Martinoni M, Fabbri VP, La Corte E, Zucchelli M, Toni F, Asioli S, Giannini C. Glioneuronal and Neuronal Tumors of the Central Nervous System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1405:253-280. [PMID: 37452941 DOI: 10.1007/978-3-031-23705-8_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Glioneuronal and neuronal tumors (GNTs) are rare neoplasms composed of neural and glial elements frequently located in the temporal lobe. Epilepsy is the main symptom and diagnosis mostly occurs before adulthood. The great majority of GNTs are WHO grade I tumors, but anaplastic transformations and forms exist. Their common association with focal cortical dysplasia is well recognized and should be taken into consideration during neurophysiological presurgical and surgical planning since the aim of surgery should be the removal of the tumor and of the entire epileptogenic zone according to anatomo-electrophysiological findings. Surgery still remains the cornerstone of symptomatic GNT, while radiotherapy, chemotherapy, and new target therapies are generally reserved for anaplastic, unresectable, or evolving tumors. Furthermore, since many GNTs show overlapping clinical and neuroradiological features, the definition of specific histopathological, genetic, and molecular characteristics is crucial. Epileptological, oncological, neurosurgical, and pathological issues of these tumors make a multidisciplinary management mandatory.
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Affiliation(s)
- Matteo Martinoni
- Division of Neurosurgery, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy.
| | - Viscardo Paolo Fabbri
- Surgical Pathology Section, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Emanuele La Corte
- Division of Neurosurgery, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Mino Zucchelli
- Pediatric Neurosurgery, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Francesco Toni
- Division of Neurosurgery, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
- Programma di neuroradiologia con tecniche ad elevata complessità, IRCCS Istituto delle Scienze Neurologiche di Bologna ETC, Bologna, Italy
| | - Sofia Asioli
- Surgical Pathology Section, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences (DIBINEM) - Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Caterina Giannini
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
- Division of Anatomic Pathology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN, 55905, USA
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Lerond J, Morisse MC, Letourneur Q, Gimonnet C, Navarro S, Gaspar C, Idbaih A, Bielle F. Immune Microenvironment and Lineage Tracing Help to Decipher Rosette-Forming Glioneuronal Tumors: A Multi-Omics Analysis. J Neuropathol Exp Neurol 2022; 81:873-884. [PMID: 35984315 DOI: 10.1093/jnen/nlac074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Rosette-forming glioneuronal tumors (RGNT) are rare low-grade primary central nervous system (CNS) tumors. The methylation class (MC) RGNT (MC-RGNT) delineates RGNT from other neurocytic CNS tumors with similar histological features. We performed a comprehensive molecular analysis including whole-exome sequencing, RNAseq, and methylome on 9 tumors with similar histology, focusing on the immune microenvironment and cell of origin of RGNT. Three RGNT in this cohort were plotted within the MC-RGNT and characterized by FGFR1 mutation plus PIK3CA or NF1 mutations. RNAseq analysis, validated by immunohistochemistry, identified 2 transcriptomic groups with distinct immune microenvironments. The "cold" group was distinguishable by a low immune infiltration and included the 3 MC-RGNT and 1 MC-pilocytic astrocytoma; the "hot" group included other tumors with a rich immune infiltration. Gene set enrichment analysis showed that the "cold" group had upregulated NOTCH pathway and mainly oligodendrocyte precursor cell and neuronal phenotypes, while the "hot" group exhibited predominantly astrocytic and neural stem cell phenotypes. In silico deconvolution identified the cerebellar granule cell lineage as a putative cell of origin of RGNT. Our study identified distinct tumor biology and immune microenvironments as key features relevant to the pathogenesis and management of RGNT.
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Affiliation(s)
- Julie Lerond
- Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Sorbonne Université, AP-HP, SIRIC Curamus, Paris, France
| | - Mony Chenda Morisse
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | | | | | - Soledad Navarro
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Service de Neurochirurgie, Paris, France
| | - Cassandra Gaspar
- Sorbonne Université, Inserm, UMS Production et Analyse des données en Sciences de la vie et en Santé, PASS, Plateforme Post-génomique de la Pitié-Salpêtrière, Paris, France
| | - Ahmed Idbaih
- Sorbonne Université, AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Service de Neurologie 2-Mazarin, Paris, France
| | - Franck Bielle
- Sorbonne Université, AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Service de Neuropathologie, Paris, France.,AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Onconeurotek, Paris, France
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Shibayama C, Doai M, Matoba M, Morikawa M, Sato H, Okada N, Saikawa Y, Tamase A, Iizuka H, Shioya A, Yamada S. Spinal rosette-forming glioneuronal tumor: First case in a young child. Radiol Case Rep 2021; 16:3982-3986. [PMID: 34729129 PMCID: PMC8545668 DOI: 10.1016/j.radcr.2021.09.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 12/21/2022] Open
Affiliation(s)
- Chiaki Shibayama
- Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Mariko Doai
- Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Munetaka Matoba
- Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Mari Morikawa
- Department of Pediatrics, Kanazawa Medical University, Ishikawa, Japan
| | - Hitoshi Sato
- Department of Pediatrics, Kanazawa Medical University, Ishikawa, Japan
| | - Naoki Okada
- Department of Pediatrics, Kanazawa Medical University, Ishikawa, Japan
| | - Yutaka Saikawa
- Department of Pediatrics, Kanazawa Medical University, Ishikawa, Japan
| | - Akira Tamase
- Department of Neurosurgery, Kanazawa Medical University, Ishikawa, Japan
| | - Hideaki Iizuka
- Department of Neurosurgery, Kanazawa Medical University, Ishikawa, Japan
| | - Akihiro Shioya
- Department of Pathology, Kanazawa Medical University, Ishikawa, Japan
| | - Sohsuke Yamada
- Department of Pathology, Kanazawa Medical University, Ishikawa, Japan
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Uchiyama T, Gomi A, Nobusawa S, Fukushima N, Matsubara D, Kawai K. A case of a rosette-forming glioneuronal tumor with clinicopathological features of a dysembryoplastic neuroepithelial tumor and fibroblast growth factor receptor 1 internal tandem duplication. Brain Tumor Pathol 2021; 38:250-256. [PMID: 33837479 DOI: 10.1007/s10014-021-00397-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 03/16/2021] [Indexed: 10/21/2022]
Abstract
Rosette-forming glioneuronal tumors (RGNTs) are benign WHO grade 1 tumors that occur in the ventricular system, particularly the fourth ventricle. RGNTs and dysembryoplastic neuroepithelial tumors (DNTs) are both categorized as neuronal and mixed neuronal-glial tumors and may be difficult to distinguish. Coexistence of the two tumor types has been reported. Here, we report a pediatric case of RGNT with DNT-like features showing intraventricular dissemination. The tumor occurred in the medial temporal lobe and presented with specific pathological glioneuronal elements including floating neurons, which are typical in DNTs, but was diagnosed as RGNT because of the presence of neurocytic rosettes. Genetic analysis detected fibroblast growth factor receptor 1 internal tandem duplication (FGFR1-ITD) of the tyrosine kinase domain, which was previously reported to be specific for DNT. RGNTs with FGFR1-ITD may show atypical clinical presentation and pathological features.
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Affiliation(s)
- Taku Uchiyama
- Department of Neurosurgery, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya-ku Saitama, Saitama, 330-8503, Japan.
| | - Akira Gomi
- Department of Pediatric Neurosurgery, Jichi Children's Medical Center Tochigi, Jichi Medical University, Tochigi, Japan
| | - Sumihito Nobusawa
- Department of Human Pathology, Gunma University Graduate School of Medicine, Gunma, Japan
| | | | | | - Kensuke Kawai
- Department of Neurosurgery, Jichi Medical University, Tochigi, Japan
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Hockman JT, El Tecle NE, Urquiaga JF, Alexopoulos G, Guzman MA, Coppens J. Dissemination Patterns and Short-Term Management of Multifocal Rosette-Forming Glioneuronal Tumors. World Neurosurg 2021; 149:86-93. [PMID: 33610864 DOI: 10.1016/j.wneu.2021.02.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Multifocal rosette-forming glioneuronal tumors (RGNTs) are challenging to manage. Gross total resection is often impossible, and data on adjunctive therapies are limited. We reviewed cases of multifocal RGNTs in the literature with special focus on dissemination patterns and management. METHODS A literature review was conducted using PubMed and the key words "(multifocal OR multicentric OR satellite OR dissemination) AND glioneuronal." RESULTS There were 21 cases of multifocal RGNTs identified. Follow-up was available in 18 cases at a median of 17 months. Progression-free survival and overall survival at 1 year were 84% and 94%, respectively. Of all cases, 43% had cerebrospinal fluid (CSF) dissemination, 48% had intraparenchymal spread, and 10% had both. The presence of CSF dissemination led to palliative care and/or death in 20% of cases (n = 2). None of the cases with intraparenchymal spread progressed. Radiotherapy was used in 50% of cases with CSF dissemination, chemotherapy was used in 20%, and CSF shunting was used in 36%. No tumors with intraparenchymal spread required adjunctive therapy or shunting. CONCLUSIONS RGNTs with CSF dissemination are more likely to behave aggressively, and early adjunctive therapies should be discussed with patients. Tumors with intraparenchymal spread grow slowly, and maximal safe resection followed by observation is likely sufficient in the short term. Long-term behavior of multifocal RGNTs is still unclear.
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Affiliation(s)
- Jakob T Hockman
- Department of Neurosurgery, Saint Louis University School of Medicine, St. Louis, Missouri, USA; Department of Pathology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Najib E El Tecle
- Department of Neurosurgery, Saint Louis University School of Medicine, St. Louis, Missouri, USA.
| | - Jorge F Urquiaga
- Department of Neurosurgery, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Georgios Alexopoulos
- Department of Neurosurgery, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Miguel A Guzman
- Department of Pathology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Jeroen Coppens
- Department of Neurosurgery, Saint Louis University School of Medicine, St. Louis, Missouri, USA
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Wilson CP, Chakraborty AR, Pelargos PE, Shi HH, Milton CK, Sung S, McCoy T, Peterson JE, Glenn CA. Rosette-forming glioneuronal tumor: an illustrative case and a systematic review. Neurooncol Adv 2020; 2:vdaa116. [PMID: 33134925 PMCID: PMC7586144 DOI: 10.1093/noajnl/vdaa116] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background Rosette-forming glioneuronal tumors (RGNTs) are rare, low-grade, primary CNS tumors first described in 2002 by Komori et al. RGNTs were initially characterized as a World Health Organization (WHO) grade I tumors typically localized to the fourth ventricle. Although commonly associated with an indolent course, RGNTs have the potential for aggressive behavior. Methods A comprehensive search of PubMed and Web of Science was performed through November 2019 using the search term “rosette-forming glioneuronal tumor.” Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. English, full-text case reports and series with histopathological confirmation were included. Patient demographics, presentations, MRI features, tumor location, treatment, and follow-up of all 130 cases were extracted. Results A 19-year-old man with a history of epilepsy and autism presented with acute hydrocephalus. MRI scans from 2013 to 2016 demonstrated unchanged abnormal areas of cortex in the left temporal lobe with extension into the deep gray-white matter. On presentation to our clinic in 2019, the lesion demonstrated significant progression. The patient’s tumor was identified as RGNT, WHO grade I. One hundred thirty patients were identified across 80 studies. Conclusion RGNT has potential to transform from an indolent tumor to a tumor with more aggressive behavior. The results of our systematic review provide insight into the natural history and treatment outcomes of these rare tumors.
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Affiliation(s)
- Caleb P Wilson
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Arpan R Chakraborty
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Panayiotis E Pelargos
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Helen H Shi
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Camille K Milton
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Sarah Sung
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Tressie McCoy
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Jo Elle Peterson
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Chad A Glenn
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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Bale TA. FGFR- gene family alterations in low-grade neuroepithelial tumors. Acta Neuropathol Commun 2020; 8:21. [PMID: 32085805 PMCID: PMC7035775 DOI: 10.1186/s40478-020-00898-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 02/13/2020] [Indexed: 12/13/2022] Open
Abstract
The discovery of fibroblast growth factor receptor (FGFR) gene family alterations as drivers of primary brain tumors has generated significant excitement, both as potential therapeutic targets as well as defining hallmarks of histologic entities. However, FGFR alterations among neuroepithelial lesions are not restricted to high or low grade, nor to adult vs. pediatric-type tumors. While it may be tempting to consider FGFR-altered tumors as a unified group, this underlying heterogeneity poses diagnostic and interpretive challenges. Therefore, understanding the underlying biology of tumors harboring specific FGFR alterations is critical. In this review, recent evidence for recurrent FGFR alterations in histologically and biologically low-grade neuroepithelial tumors (LGNTs) is examined (namely FGFR1 tyrosine kinase domain duplication in low grade glioma, FGFR1-TACC1 fusions in extraventricular neurocytoma [EVN], and FGFR2-CTNNA3 fusions in polymorphous low-grade neuroepithelial tumor of the young [PLNTY]). Additionally, FGFR alterations with less well-defined prognostic implications are considered (FGFR3-TACC3 fusions, FGFR1 hotspot mutations). Finally, a framework for practical interpretation of FGFR alterations in low grade glial/glioneuronal tumors is proposed.
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Abstract
The discovery of fibroblast growth factor receptor (FGFR) gene family alterations as drivers of primary brain tumors has generated significant excitement, both as potential therapeutic targets as well as defining hallmarks of histologic entities. However, FGFR alterations among neuroepithelial lesions are not restricted to high or low grade, nor to adult vs. pediatric-type tumors. While it may be tempting to consider FGFR-altered tumors as a unified group, this underlying heterogeneity poses diagnostic and interpretive challenges. Therefore, understanding the underlying biology of tumors harboring specific FGFR alterations is critical. In this review, recent evidence for recurrent FGFR alterations in histologically and biologically low-grade neuroepithelial tumors (LGNTs) is examined (namely FGFR1 tyrosine kinase domain duplication in low grade glioma, FGFR1-TACC1 fusions in extraventricular neurocytoma [EVN], and FGFR2-CTNNA3 fusions in polymorphous low-grade neuroepithelial tumor of the young [PLNTY]). Additionally, FGFR alterations with less well-defined prognostic implications are considered (FGFR3-TACC3 fusions, FGFR1 hotspot mutations). Finally, a framework for practical interpretation of FGFR alterations in low grade glial/glioneuronal tumors is proposed.
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Affiliation(s)
- Tejus A Bale
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Street, New York, NY, 10065, USA.
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