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Furuta T, Moritsubo M, Muta H, Shimamoto H, Ohshima K, Sugita Y. Pediatric and elderly polymorphous low-grade neuroepithelial tumor of the young: Typical and unusual case reports and literature review. Neuropathology 2023; 43:319-325. [PMID: 36545913 DOI: 10.1111/neup.12889] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/29/2022] [Accepted: 11/29/2022] [Indexed: 08/03/2023]
Abstract
Polymorphous low-grade neuroepithelial tumor of the young (PLNTY), one of the pediatric-type diffuse low-grade gliomas, is characterized by a diffuse infiltrating pattern of oligodendroglioma-like tumor cells showing CD34 positivity and harbors mitogen-activated protein kinase (MAPK) alteration, such as vRAF murine sarcoma viral oncogene homolog B1 (BRAF) p.V600E or fibroblast growth factor fusion genetically. It occurs mainly in pediatric and adolescents with seizures due to the dominant location of the temporal lobe. However, there have been a few cases of PLNTY in adult patients, suggesting the wide range of this tumor spectrum. Here, we describe two cases of PLNTY, one in a 14-year-old female and the other in a 66-year-old female. The pediatric tumor showed typical clinical course and histopathology with BRAF p.V600E mutation, whereas the elderly tumor was unusual because of non-epileptic onset clinically and ependymal differentiation histopathologically harboring KIAA1549-BRAF fusion. There might be unusual but possible PLNTY, as in our elderly case. We also compared typical pediatric and unusual elderly tumors by reviewing the literature.
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Affiliation(s)
- Takuya Furuta
- Department of Pathology, Kurume University School of Medicine, Fukuoka, Japan
| | - Mayuko Moritsubo
- Department of Pathology, Kurume University School of Medicine, Fukuoka, Japan
| | - Hiroko Muta
- Department of Pathology, Kurume University School of Medicine, Fukuoka, Japan
| | | | - Koichi Ohshima
- Department of Pathology, Kurume University School of Medicine, Fukuoka, Japan
| | - Yasuo Sugita
- Department of Neuropathology, St. Mary's Hospital, Fukuoka, Japan
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2
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Crainic N, Furtner J, Pallud J, Bielle F, Lombardi G, Rudà R, Idbaih A. Rare Neuronal, Glial and Glioneuronal Tumours in Adults. Cancers (Basel) 2023; 15:cancers15041120. [PMID: 36831464 PMCID: PMC9954092 DOI: 10.3390/cancers15041120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/12/2023] Open
Abstract
Rare glial, neuronal and glioneuronal tumours in adults form a heterogeneous group of rare, primary central nervous system tumours. These tumours, with a glial and/or neuronal component, are challenging in terms of diagnosis and therapeutic management. The novel classification of primary brain tumours published by the WHO in 2021 has significantly improved the diagnostic criteria of these entities. Indeed, diagnostic criteria are nowadays multimodal, including histological, immunohistochemical and molecular (i.e., genetic and methylomic). These integrated parameters have allowed the specification of already known tumours but also the identification of novel tumours for a better diagnosis.
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Affiliation(s)
- Nicolas Crainic
- Sorbonne Université, Institut du Cerveau—Paris Brain Institute—ICM, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, Service de Neurologie 2, 75013 Paris, France
- Department of Neurology, University Hospital of Brest, 29200 Brest, France
- Correspondence: (N.C.); (A.I.)
| | - Julia Furtner
- Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, 1090 Vienna, Austria
- Research Center of Medical Image Analysis and Artificial Intelligence (MIAAI), Danube Private University, 3500 Krems, Austria
| | - Johan Pallud
- Service de Neurochirurgie, GHU Paris Psychiatrie et Neurosciences, Hôpital Sainte-Anne, 75014 Paris, France
- Institute of Psychiatry and Neuroscience of Paris, IMABRAIN, INSERM U1266, Université de Paris, 75014 Paris, France
| | - Franck Bielle
- Sorbonne Université, Institut du Cerveau—Paris Brain Institute—ICM, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, Service de Neuropathologie, 75013 Paris, France
| | - Giuseppe Lombardi
- Department of Oncology, Oncology 1, Veneto Institute of Oncology-IRCCS, 35128 Padua, Italy
| | - Roberta Rudà
- Division of Neurology, Castelfranco Veneto and Treviso Hospitals, 31033 Treviso, Italy
- Department of Neuro-Oncology, University of Turin, 10126 Turin, Italy
| | - Ahmed Idbaih
- Sorbonne Université, Institut du Cerveau—Paris Brain Institute—ICM, Inserm, CNRS, AP-HP, Hôpital Universitaire La Pitié Salpêtrière, DMU Neurosciences, Service de Neurologie 2, 75013 Paris, France
- Correspondence: (N.C.); (A.I.)
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3
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Lucas CHG, Davidson CJ, Alashari M, Putnam AR, Whipple NS, Bruggers CS, Mendez JS, Cheshier SH, Walker JB, Ramani B, Cadwell CR, Sullivan DV, Lu R, Mirchia K, Van Ziffle J, Devine P, Goldschmidt E, Hervey-Jumper SL, Gupta N, Oberheim Bush NA, Raleigh DR, Bollen A, Tihan T, Pekmezci M, Solomon DA, Phillips JJ, Perry A. Targeted Next-Generation Sequencing Reveals Divergent Clonal Evolution in Components of Composite Pleomorphic Xanthoastrocytoma-Ganglioglioma. J Neuropathol Exp Neurol 2022; 81:650-657. [PMID: 35703914 PMCID: PMC9297094 DOI: 10.1093/jnen/nlac044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Composite pleomorphic xanthoastrocytoma-ganglioglioma (PXA-GG) is an extremely rare central nervous system neoplasm with 2 distinct but intermingled components. Whether this tumor represents a "collision tumor" of separate neoplasms or a monoclonal neoplasm with divergent evolution is poorly understood. Clinicopathologic studies and capture-based next generation sequencing were performed on extracted DNA from all available PXA-GG at 2 medical centers. Five PXA-GG were diagnosed in 1 male and 4 female patients ranging from 13 to 25 years in age. Four arose within the cerebral hemispheres; 1 presented in the cerebellar vermis. DNA was sufficient for analysis in 4 PXA components and 3 GG components. Four paired PXA and GG components harbored BRAF p.V600E hotspot mutations. The 4 sequenced PXA components demonstrated CDKN2A homozygous deletion by sequencing with loss of p16 (protein product of CDKN2A) expression by immunohistochemistry, which was intact in all assessed GG components. The PXA components also demonstrated more frequent copy number alterations relative to paired GG components. In one PXA-GG, shared chromosomal copy number alterations were identified in both components. Our findings support divergent evolution of the PXA and GG components from a common BRAF p.V600E-mutant precursor lesion, with additional acquisition of CDKN2A homozygous deletion in the PXA component as is typically seen in conventional PXA.
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Affiliation(s)
- Calixto-Hope G Lucas
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | | | - Mouied Alashari
- Division of Pediatric Pathology, Department of Pathology, University of Utah, Salt Lake City, Utah, USA
| | - Angelica R Putnam
- Division of Pediatric Pathology, Department of Pathology, University of Utah, Salt Lake City, Utah, USA
| | - Nicholas S Whipple
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Utah, Salt Lake City, Utah, USA
| | - Carol S Bruggers
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Utah, Salt Lake City, Utah, USA
| | - Joe S Mendez
- Department of Neurosurgery, University of Utah/Huntsman Cancer Institute, Salt Lake City, Utah, USA
| | - Samuel H Cheshier
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Huntsman Cancer Institute, University of Utah, Intermountain Primary Children's Hospital, Salt Lake City, Utah, USA
| | | | - Biswarathan Ramani
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Cathryn R Cadwell
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Daniel V Sullivan
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Rufei Lu
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Kanish Mirchia
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Jessica Van Ziffle
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
- Clinical Cancer Genomics Laboratory, University of California, San Francisco, San Francisco, California, USA
| | - Patrick Devine
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
- Clinical Cancer Genomics Laboratory, University of California, San Francisco, San Francisco, California, USA
| | - Ezequiel Goldschmidt
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Shawn L Hervey-Jumper
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Nalin Gupta
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
- Department of Pediatrics, University of California, San Francisco, San Francisco, USA
| | - Nancy Ann Oberheim Bush
- Division of Neuro-Oncology, Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
- Department of Neurology, University of California, San Francisco, San Francisco, California, USA
| | - David R Raleigh
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
- Department of Radiation Oncology, University of California, San Francisco, San Francisco, California, USA
| | - Andrew Bollen
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Tarik Tihan
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Melike Pekmezci
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - David A Solomon
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Joanna J Phillips
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
| | - Arie Perry
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
- From the Department of Pathology, University of California, San Francisco, San Francisco, California, USA
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Rodrigues A, Bhambhvani H, Medress ZA, Malhotra S, Hayden-Gephart M. Differences in treatment patterns and overall survival between grade II and anaplastic pleomorphic xanthoastrocytomas. J Neurooncol 2021; 153:321-330. [PMID: 33970405 DOI: 10.1007/s11060-021-03772-0] [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: 03/23/2021] [Accepted: 05/05/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Pleomorphic xanthoastrocytomas (PXAs) are classified as a grade II neoplasm, typically occur in children, and have favorable prognoses. However, their anaplastic counterparts remain poorly understood and vaguely characterized. In the present study, a large cohort of grade II PXA patients were compared with primary anaplastic PXA (APXA) patients to characterize patterns in treatment and survival. METHODS Data were collected from the National Cancer Institute's SEER database. Univariate and multivariate Cox regressions were used to evaluate the prognostic impact of demographic, tumor, and treatment-related covariates. Propensity score matching was used to balance baseline characteristics. Kaplan-Meier curves were used to estimate survival. RESULTS A total of 346 grade II PXA and 62 APXA patients were identified in the SEER database between 2000 and 2016. Kaplan-Meier analysis revealed substantially inferior survival for APXA patients compared to grade II PXA patients (median survival: 51 months vs. not reached) (p < 0.0001). After controlling across available covariates, increased age at diagnosis was identified as a negative predictor of survival for both grade II and APXA patients. In multivariate and propensity-matched analyses, extent of resection was not associated with improved outcomes in either cohort. CONCLUSIONS Using a large national database, we identified the largest published cohort of APXA patients to date and compared them with their grade II counterparts to identify patterns in treatment and survival. Upon multivariate analysis, we found increased age at diagnosis was inversely associated with survival in both grade II and APXA patients. Receipt of chemoradiotherapy or complete surgical resection was not associated with improved outcomes in the APXA cohort.
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Affiliation(s)
- Adrian Rodrigues
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Hriday Bhambhvani
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Zachary A Medress
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Shreya Malhotra
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Melanie Hayden-Gephart
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA.
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Zakrzewska M, Gruszka R, Stawiski K, Fendler W, Kordacka J, Grajkowska W, Daszkiewicz P, Liberski PP, Zakrzewski K. Expression-based decision tree model reveals distinct microRNA expression pattern in pediatric neuronal and mixed neuronal-glial tumors. BMC Cancer 2019; 19:544. [PMID: 31170943 PMCID: PMC6555720 DOI: 10.1186/s12885-019-5739-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 05/22/2019] [Indexed: 12/14/2022] Open
Abstract
Background The understanding of the molecular biology of pediatric neuronal and mixed neuronal-glial brain tumors is still insufficient due to low frequency and heterogeneity of those lesions which comprise several subtypes presenting neuronal and/or neuronal-glial differentiation. Important is that the most frequent ganglioglioma (GG) and dysembryoplastic neuroepithelial tumor (DNET) showed limited number of detectable molecular alterations. In such cases analyses of additional genomic mechanisms seem to be the most promising. The aim of the study was to evaluate microRNA (miRNA) profiles in GGs, DNETs and pilocytic asytrocytomas (PA) and test the hypothesis of plausible miRNA connection with histopathological subtypes of particular pediatric glial and mixed glioneronal tumors. Methods The study was designed as the two-stage analysis. Microarray testing was performed with the use of the miRCURY LNA microRNA Array technology in 51 cases. Validation set comprised 107 samples used during confirmation of the profiling results by qPCR bioinformatic analysis. Results Microarray data was compared between the groups using an analysis of variance with the Benjamini-Hochberg procedure used to estimate false discovery rates. After filtration 782 miRNAs were eligible for further analysis. Based on the results of 10 × 10-fold cross-validation J48 algorithm was identified as the most resilient to overfitting. Pairwise comparison showed the DNETs to be the most divergent with the largest number of miRNAs differing from either of the two comparative groups. Validation of array analysis was performed for miRNAs used in the classification model: miR-155-5p, miR-4754, miR-4530, miR-628-3p, let-7b-3p, miR-4758-3p, miRPlus-A1086 and miR-891a-5p. Model developed on their expression measured by qPCR showed weighted AUC of 0.97 (95% CI for all classes ranging from 0.91 to 1.00). A computational analysis was used to identify mRNA targets for final set of selected miRNAs using miRWalk database. Among genomic targets of selected molecules ZBTB20, LCOR, PFKFB2, SYNJ2BP and TPD52 genes were noted. Conclusions Our data showed the existence of miRNAs which expression is specific for different histological types of tumors. miRNA expression analysis may be useful in in-depth molecular diagnostic process of the tumors and could elucidate their origins and molecular background. Electronic supplementary material The online version of this article (10.1186/s12885-019-5739-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Magdalena Zakrzewska
- Department of Molecular Pathology and Neuropathology, Medical University of Lodz, Pomorska 251, 92-216, Lodz, Poland.
| | - Renata Gruszka
- Department of Molecular Pathology and Neuropathology, Medical University of Lodz, Pomorska 251, 92-216, Lodz, Poland
| | - Konrad Stawiski
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Mazowiecka 15, 92-215, Lodz, Poland
| | - Wojciech Fendler
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Mazowiecka 15, 92-215, Lodz, Poland.,Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Joanna Kordacka
- Department of Molecular Pathology and Neuropathology, Medical University of Lodz, Pomorska 251, 92-216, Lodz, Poland
| | - Wiesława Grajkowska
- Department of Pathology, The Children's Memorial Health Institute, Av. Dzieci Polskich 20, 04-730, Warsaw, Poland.,Department of Experimental and Clinical Neuropathology, Mossakowski Medical Research Centre, Pawinskiego 5, 02-106, Warsaw, Poland
| | - Paweł Daszkiewicz
- Department of Clinical Department of Neurosurgery, The Children's Memorial Health Institute, Av. Dzieci Polskich 20, 04-730, Warsaw, Poland
| | - Paweł P Liberski
- Department of Molecular Pathology and Neuropathology, Medical University of Lodz, Pomorska 251, 92-216, Lodz, Poland
| | - Krzysztof Zakrzewski
- Department of Neurosurgery, Polish Mother Memorial Hospital Research Institute in Lodz, Rzgowska 281/289, 93-338, Lodz, Poland
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