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Wu PB, Filley AC, Miller ML, Bruce JN. Benign Glioma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1405:31-71. [PMID: 37452934 DOI: 10.1007/978-3-031-23705-8_2] [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
Benign glioma broadly refers to a heterogeneous group of slow-growing glial tumors with low proliferative rates and a more indolent clinical course. These tumors may also be described as "low-grade" glioma (LGG) and are classified as WHO grade I or II lesions according to the Classification of Tumors of the Central Nervous System (CNS) (Louis et al. in Acta Neuropathol 114:97-109, 2007). Advances in molecular genetics have improved understanding of glioma tumorigenesis, leading to the identification of common mutation profiles with significant treatment and prognostic implications. The most recent WHO 2016 classification system has introduced several notable changes in the way that gliomas are diagnosed, with a new emphasis on molecular features as key factors in differentiation (Wesseling and Capper in Neuropathol Appl Neurobiol 44:139-150, 2018). Benign gliomas have a predilection for younger patients and are among the most frequently diagnosed tumors in children and young adults (Ostrom et al. in Neuro Oncol 22:iv1-iv96, 2020). These tumors can be separated into two clinically distinct subgroups. The first group is of focal, well-circumscribed lesions that notably are not associated with an increased risk of malignant transformation. Primarily diagnosed in pediatric patients, these WHO grade I tumors may be cured with surgical resection alone (Sturm et al. in J Clin Oncol 35:2370-2377, 2017). Recurrence rates are low, and the prognosis for these patients is excellent (Ostrom et al. in Neuro Oncol 22:iv1-iv96, 2020). Diffuse gliomas are WHO grade II lesions with a more infiltrative pattern of growth and high propensity for recurrence. These tumors are primarily diagnosed in young adult patients, and classically present with seizures (Pallud et al. Brain 137:449-462, 2014). The term "benign" is a misnomer in many cases, as the natural history of these tumors is with malignant transformation and recurrence as grade III or grade IV tumors (Jooma et al. in J Neurosurg 14:356-363, 2019). For all LGG, surgery with maximal safe resection is the treatment of choice for both primary and recurrent tumors. The goal of surgery should be for gross total resection (GTR), as complete tumor removal is associated with higher rates of tumor control and seizure freedom. Chemotherapy and radiation therapy (RT), while not typically a component of first-line treatment in most cases, may be employed as adjunctive therapy in high-risk or recurrent tumors and in some select cases. The prognosis of benign gliomas varies widely; non-infiltrative tumor subtypes generally have an excellent prognosis, while diffusely infiltrative tumors, although slow-growing, are eventually fatal (Sturm et al. in J Clin Oncol 35:2370-2377, 2017). This chapter reviews the shared and unique individual features of the benign glioma including diffuse glioma, pilocytic astrocytoma and pilomyxoid astrocytoma (PMA), subependymal giant cell astrocytoma (SEGA), pleomorphic xanthoastrocytoma (PXA), subependymoma (SE), angiocentric glioma (AG), and chordoid glioma (CG). Also discussed is ganglioglioma (GG), a mixed neuronal-glial tumor that represents a notable diagnosis in the differential for other LGG (Wesseling and Capper 2018). Ependymomas of the brain and spinal cord, including major histologic subtypes, are discussed in other chapters.
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Affiliation(s)
- Peter B Wu
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, UCLA, Los Angeles, USA
| | - Anna C Filley
- Department of Neurosurgery, Columbia University Medical Center, New York, USA
| | - Michael L Miller
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, USA
| | - Jeffrey N Bruce
- Department of Neurosurgery, Columbia University Medical Center, New York, USA.
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Zhang M, Xu B, Li C, Liu Z, Gao Y, Song Y, Liu R. Occurrence of Chordoid Glioma With Sodium Ion Metabolism Disorder 5 Years After Meningioma Surgery and Whole-Exome Sequencing: A Case Report and Literature Review. Front Genet 2021; 12:617575. [PMID: 34040630 PMCID: PMC8143433 DOI: 10.3389/fgene.2021.617575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/31/2021] [Indexed: 11/13/2022] Open
Abstract
Chordoid glioma (CG), a rare slow-growing brain tumor, mainly occurs in the region of the third ventricle. Although its degree of malignancy is relatively low, its clinical prognosis is poor due to obscure clinical manifestations and the particular growing position. Currently, gross total resection is the best available method for treatment of CG. However, the tumor is located in the deep structure of the brain and close to neurovascular structure so it is difficult to remove completely. This study reported a case of CG of the third ventricle 5 years after surgery of right frontal parietal fibrous meningioma, accompanied with peri and post-operative sodium ion metabolism disorder. Whole-exome sequencing (WES) revealed 25 gene mutations shared by meningioma and CG. In addition, the PRKCA D463H CG marker gene mutation also existed in this patient. We reviewed the latest literature on this rare brain tumor, summarized its clinical manifestations, imaging and pathological characteristics, and discussed the mechanism related to its occurrence and the reasons for sodium ion disorder.
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Affiliation(s)
- Mei Zhang
- Department of VIP Unit, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Baofeng Xu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, China
| | - Chang Li
- Department of VIP Unit, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Ziwei Liu
- Department of Endocrinology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yuanyuan Gao
- Department of Endocrinology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yuming Song
- Department of VIP Unit, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Rui Liu
- Department of VIP Unit, China-Japan Union Hospital of Jilin University, Changchun, China
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Yao K, Duan Z, Du Z, Fan X, Qu Y, Zhang M, Wang Y, Liu H, Sun L, Qi X. PRKCA D463H Mutation in Chordoid Glioma of the Third Ventricle: A Cohort of 16 Cases, Including Two Cases Harboring BRAFV600E Mutation. J Neuropathol Exp Neurol 2021; 79:1183-1192. [PMID: 33085976 DOI: 10.1093/jnen/nlaa107] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Chordoid gliomas (CG) of the third ventricle are characterized by chordoid and glial features, but the extent of histological variations across CG is not fully understood. Herein, we report 16 consecutive cases of CG. All 16 patients had histories of headache and vision loss; their median age was 41.7 years at the surgery. Histological examination revealed typical features of CG, including cords of epithelioid cells within the mucinous stroma and lymphoplasmacytic infiltration. Two cases exhibited atypical histological features including histiocyte-like cells. PRKCA mutation was found in 14 cases, including the 2 with histiocytic features. BRAFV600E mutation was found only in the 2 cases with histiocytic features. The patients underwent gross total tumor resection without radiotherapy or chemotherapy. Three patients died between 1 and 4 months postsurgery. Only one had a recurrence. Eleven were alive at the most recent follow-up (range: 2-58 months). These data indicate that PRKCA mutation was a good diagnostic marker for CG and additionally suggest that histiocyte-like features can be present in CG in association with BRAF mutations.
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Affiliation(s)
- Kun Yao
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China
| | - Zejun Duan
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China.,The Department of Pathology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zunguo Du
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China
| | - Xiaolong Fan
- Beijing Key Laboratory of Gene Resource and Molecular Development, Laboratory of Neuroscience and Brain Development, School of Life Sciences Beijing Normal University
| | - Yanming Qu
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China
| | - Mingshan Zhang
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China
| | - Yin Wang
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China.,The Department of Pathology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hailong Liu
- The Department of Neurosurgery, Chinese PLA General Hospital (301 Hospital)
| | - Lingyan Sun
- The Department of Molecular Pathology Laboratory, Shanghai Ackermann Medical Laboratory, Shanghai, China
| | - Xueling Qi
- Departments of Pathology and Neurosurgery, San Bo Brain Hospital, Capital Medical University, Haidian District, Beijing, China
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Chen G, Li Z. Serum sodium disorder as a long-term complication after surgery for chordoid glioma of the third ventricle: A case report and literature review. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2020.100948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Chordoid glioma of the third ventricle: A systematic review and single-center experience. INTERDISCIPLINARY NEUROSURGERY 2019. [DOI: 10.1016/j.inat.2019.100515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Shinohara T, Inoue A, Kohno S, Ueda Y, Suehiro S, Matsumoto S, Nishikawa M, Ozaki S, Shigekawa S, Watanabe H, Kitazawa R, Kunieda T. Usefulness of neuroimaging and immunohistochemical study for accurate diagnosis of chordoid glioma of the third ventricle: A case report and review of the literature. Surg Neurol Int 2018; 9:226. [PMID: 30533273 PMCID: PMC6238323 DOI: 10.4103/sni.sni_306_18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 10/01/2018] [Indexed: 11/29/2022] Open
Abstract
Background: Chordoid glioma of the third ventricle is a rare neuroepithelial tumor characterized by a unique histomorphology within the third ventricular region, but with radiological and histopathological features mimicking benign lesions such as meningioma. We report a case of chordoid glioma of the third ventricle and suggest a useful indicator for accurate diagnosis. Case Description: A previously healthy 46-year-old woman was admitted to our hospital with mild headache. Neuroimaging revealed a large tumor measuring approximately 18 mm in the suprasellar region, and perifocal edema in the optic tract and internal capsule on magnetic resonance imaging. Laboratory findings revealed no pituitary dysfunction including diabetes insipidus. Gross total resection of the tumor was performed by the interhemispheric translamina terminalis approach. Histological findings revealed nests of regular epithelioid cells with large nuclei and abundant eosinophilic cytoplasm within myxoid stroma. Immunohistochemical studies demonstrated diffuse cytoplasmic expression of glial fibrillary acidic protein (GFAP) and CD34, and strong nuclear staining for thyroid transcription factor 1 (TTF-1). We, therefore, histologically classified the tumor as chordoid glioma of the third ventricle. Headache improved immediately postoperatively, and follow-up neuroimaging after 12 months showed no signs of recurrence. Conclusions: Chordoid glioma of the third ventricle is a very rare tumor that is difficult to diagnose on routine neuroimaging. Accurate diagnosis requires detailed analysis of neuroimaging and immunohistochemical studies using CD34 and TTF-1 staining.
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Affiliation(s)
- Tomoki Shinohara
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Akihiro Inoue
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Shohei Kohno
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Yasuo Ueda
- Division of Diagnostic Pathology, Ehime University Hospital, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Satoshi Suehiro
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Shirabe Matsumoto
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Masahiro Nishikawa
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Saya Ozaki
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Seiji Shigekawa
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Hideaki Watanabe
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Riko Kitazawa
- Division of Diagnostic Pathology, Ehime University Hospital, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
| | - Takeharu Kunieda
- Department of Neurosurgery, Ehime University School of Medicine, 454 Shitsukawa, Toon, Ehime 791-0295, Japan
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Tauziède-Espariat A, Robert G, de Cremoux P, Polivka M. [A case report of chordoid glioma with unusual features: Immunohistochemical and molecular findings and differential diagnoses]. Ann Pathol 2017; 37:151-157. [PMID: 28285812 DOI: 10.1016/j.annpat.2017.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2015] [Revised: 10/13/2015] [Accepted: 01/18/2017] [Indexed: 11/20/2022]
Abstract
We report the case of a 63-year-old healthy patient who was admitted for surgery of a suprasellar tumor with extension to the optic chiasm responsible of visual disturbance. Histopathological examination revealed a tumoral proliferation composed of epithelioid cells without atypia arranged in cords in a mucinous matrix surrounded by some lymphocytic inflammatory infiltrates. On immunohistochemistry, the neoplastic cells strongly expressed GFAP and CD34, a weak expression of EMA, an expression of TTF1 without immunoreactivity for brachyury. Ki-67 labeling index was low around 1%. The diagnosis of chordoid glioma was made. Surprisingly, tumor cells expressed IDH1R132H but molecular analysis did not reveal any mutation of IDH1/2 genes. There was no expression of p53 but high overexpression of EGFR. Chordoid glioma is a rare and low-grade entity. The precise histogenesis remains debated. Our case is unusual because of the infiltration of the optic chiasm and because of the immunoexpression of IDH1R132H without underlying mutations of IDH1/2 genes.
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Affiliation(s)
- Arnault Tauziède-Espariat
- Service d'anatomie et cytologie pathologiques, hôpital Lariboisière, AP-HP, 2, rue Ambroise-Paré, 75475 Paris, France.
| | | | | | - Marc Polivka
- Service d'anatomie et cytologie pathologiques, hôpital Lariboisière, AP-HP, 2, rue Ambroise-Paré, 75475 Paris, France
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Calanchini M, Cudlip S, Hofer M, Byrne J, Fabbri A, Grossman A. Chordoid glioma of the third ventricle: a patient presenting with SIADH and a review of this rare tumor. Pituitary 2016; 19:356-61. [PMID: 26879322 DOI: 10.1007/s11102-016-0711-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Chordoid glioma of the third ventricle is a rare and recently described tumor characterized by a unique histomorphology and exclusive association with the suprasellar/third ventricular compartment. Its clinical, radiological and histological features may vary. Despite the fact that chordoid glioma is a low-grade tumor, its prognosis has been relatively poor because of its insidious presentation and the difficulty in obtaining complete surgical resection. MATERIALS AND METHODS Here, we report on a new case of chordoid glioma occurring in a 48-year-old woman, presented with hyponatremia, and on the initial work-up with a diagnosis of hyponatremia due at least in part to SIADH. We review the current literature on this rare pathology, discuss the radiological and histopathologic findings, and discuss the optimal management of chordoid glioma in general. CONCLUSION Based on this new case and the previous literature reports, we suggest that chordoid glioma should be included in the differential diagnosis of uncommon masses of the third ventricle, especially in middle-aged women, and we emphasize current management guidelines.
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Affiliation(s)
- Matilde Calanchini
- Department of Endocrinology, OCDEM, Churchill Hospital Oxford, Oxford, UK.
- Endocrinology Unit, Department of Systems Medicine, S. Eugenio and CTO A. Alesini Hospitals, University Tor Vergata, Rome, Italy.
| | - Simon Cudlip
- Department of Neurosurgery, John Radcliffe Hospital, Oxford, UK
| | - Monika Hofer
- Department of Neuropathology, John Radcliffe Hospital, Oxford, UK
| | - James Byrne
- Department of Radiology, Churchill Hospital Oxford, Oxford, UK
| | - Andrea Fabbri
- Endocrinology Unit, Department of Systems Medicine, S. Eugenio and CTO A. Alesini Hospitals, University Tor Vergata, Rome, Italy
| | - Ashley Grossman
- Department of Endocrinology, OCDEM, Churchill Hospital Oxford, Oxford, UK
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Abstract
This chapter describes the epidemiology, pathology, molecular characteristics, clinical and neuroimaging features, treatment, outcome, and prognostic factors of the rare glial tumors. This category includes subependymal giant cell astrocytoma, pleomorphic xanthoastrocytoma, astroblastoma, chordoid glioma of the third ventricle, angiocentric glioma, ganglioglioma, desmoplastic infantile astrocytoma and ganglioma, dysembryoplastic neuroepithelial tumor, papillary glioneuronal tumor, and rosette-forming glioneuronal tumor of the fourth ventricle. Many of these tumors, in particular glioneuronal tumors, prevail in children and young adults, are characterized by pharmacoresistant seizures, and have an indolent course, and long survival following surgical resection. Radiotherapy and chemotherapy are reserved for recurrent and/or aggressive forms. New molecular alterations are increasingly recognized.
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Affiliation(s)
- Riccardo Soffietti
- Department of Neuro-Oncology, University and City of Health and Science Hospital, Turin, Italy.
| | - Roberta Rudà
- Department of Neuro-Oncology, University and City of Health and Science Hospital, Turin, Italy
| | - David Reardon
- Center for Neuro-Oncology, Harvard Medical School and Dana-Farber Cancer Institute, Boston, USA
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Ampie L, Choy W, Lamano JB, Kesavabhotla K, Mao Q, Parsa AT, Bloch O. Prognostic factors for recurrence and complications in the surgical management of primary chordoid gliomas: A systematic review of literature. Clin Neurol Neurosurg 2015; 138:129-36. [PMID: 26342205 DOI: 10.1016/j.clineuro.2015.08.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 08/05/2015] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Chordoid gliomas (CG) are rare neoplasms which frequently arise within the third ventricle. Surgery remains the mainstay treatment for CG. The present study comprehensively reviews all reported cases of CG within the literature in order to identify risk factors for surgical complications and tumor recurrence. METHODS A comprehensive search on MEDLINE (OVID and PubMed), Scopus, Embase, and Web of Science was conducted following PRISMA guidelines to identify all reported cases of CG. RESULTS A total of 81 patients met the study criteria which comprised of 33 males and 48 females. Median age at diagnosis was 48 years with a range from 5 to 72 years, and mean tumor size was 3.1cm. Biopsy, subtotal resection (STR), and gross total resection (GTR) were achieved in 8, 34, and 33 patients, respectively, with six cases not reporting extent of resection (EOR). Thirteen patients underwent adjuvant radiotherapy. Postoperative complications were noted in 30 cases (37%), with new onset diabetes insipidus being the most common. Postoperative morbidity was not associated with age, tumor size, or extent of resection. A trans-lamina terminalis approach demonstrated a strong trend towards decreased overall rates of postoperative morbidity compared to other approaches (p=0.051). GTR was associated with improved progression-free survival (PFS; p=0.028), while adjuvant radiotherapy, age, tumor size and proliferative index were not predictive of patient outcomes. CONCLUSION GTR should be the primary goal for the management of CG, as it is associated with improved rates of tumor control without an increased rate of postoperative complications. Surgical approach was a stronger predictor of complication rates than extent of resection. Morbidity remains high, and future studies to further elaborate on factors predictive of postoperative complications are critical.
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Affiliation(s)
- Leonel Ampie
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Winward Choy
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Jonathan B Lamano
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Kartik Kesavabhotla
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Qinwen Mao
- Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Andrew T Parsa
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Orin Bloch
- Department of Neurological Surgery Northwestern University, Feinberg School of Medicine, Chicago, IL, USA.
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12
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Smith AB, Smirniotopoulos JG, Horkanyne-Szakaly I. From the radiologic pathology archives: intraventricular neoplasms: radiologic-pathologic correlation. Radiographics 2013; 33:21-43. [PMID: 23322825 DOI: 10.1148/rg.331125192] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A variety of neoplasms may arise in the ventricular system. Intraventricular neoplasms may be discovered as an incidental finding at cross-sectional imaging or may manifest with varied symptoms depending on their location, including symptoms of increased intracranial pressure. These lesions may arise from various ventricular structures, including the ependymal lining (eg, ependymoma), subependymal layer (eg, subependymoma), or choroid plexus (eg, choroid plexus neoplasms), or they may have a cell of origin that has yet to be determined (eg, chordoid glioma). Other neoplasms involving the ventricular system include central neurocytoma, subependymal giant cell tumor, meningioma, rosette-forming glioneuronal tumor, and metastases. The differential diagnosis for intraventricular neoplasms can be broad, and many of them have similar patterns of signal intensity and contrast enhancement at imaging. However, the location of the lesion in the ventricular system-along with knowledge of the patient's age, gender, and underlying conditions-will help narrow the differential diagnosis.
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Affiliation(s)
- Alice Boyd Smith
- Department of Radiology and Radiological Sciences, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814-4799, USA.
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Ni HC, Piao YS, Lu DH, Fu YJ, Ma XL, Zhang XJ. Chordoid glioma of the third ventricle: four cases including one case with papillary features. Neuropathology 2012; 33:134-9. [PMID: 22716306 DOI: 10.1111/j.1440-1789.2012.01333.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Chordoid glioma is a rare, slowly growing tumor of the CNS, which is always located in the third ventricle of adults. Chordoid glioma has classic histological features consisting of clusters and cords of epithelioid tumor cells embedded within a mucinous stroma with rich lymphoplasmacytic infiltrate. The important distinctive immunohistochemical feature of this neoplasm is strong and diffuse reactivity for GFAP. Here, we report four cases of chordoid glioma that occupied the anterior portion of the third ventricle or suprasellar region. These four cases were all adult females with almost typical clinical, radiological, histologic and immunohistochemical characteristics of chordoid glioma. However, in one case there was an unusual histologic finding with regard to the papillary region. In this region, elongated tumor cells were observed radiating toward a central vessel to form characteristic papillary structures. Immunohistochemically, three cases showed strong reactivity for GFAP, and one exhibited weak reactivity. All cases were focally positive for epithelial membrane antigen, CD34 and D2-40, but negative for neurofilament protein (NFP). Several ultrastructural investigations have supported the ependymal origin of chordoid glioma. In some cases of immunoreactivity for NFP, some authors have supposed that chordoid glioma originates from a multipotential stem cell with glial and neuronal cell differentiation. With regard to the present four cases with immunoreactivity for D2-40 (an ependymal marker) and CD34 (undifferentiated neural precursors) and based on previously published data, we considered that the majority of chordoid gliomas had an ependymal origin, and that a small minority might have originated from a multipotential stem cell having ependymal and neuronal cell differentiation.
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Affiliation(s)
- Hai-Chun Ni
- Department of Neuropathology, Xuanwu Hospital, Capital Medical University, Beijing, China
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Ghosal N, Thakar S, Kumaran SP, Hegde AS. Chordoid glioma in suprasellar location with extension into the third ventricle: smear preparation morphology of a rare tumor. Diagn Cytopathol 2012; 40:155-8. [PMID: 22246933 DOI: 10.1002/dc.21606] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Accepted: 10/21/2010] [Indexed: 11/10/2022]
Abstract
We report a rare case of recurrent chordoid glioma in suprasellar region with extension into the third ventricle diagnosed peroperatively. On MRI, a brilliantly contrast enhancing lesion in the suprasellar region extending superiorly into the third ventricle and measuring 2.5 × 3 × 3.5 cm was identified. Patient had a previous history of subtotal removal of the tumor 8 months back and had received 56 Gy of postoperative radiotherapy. On smear preparation the tumor was composed of cells arranged in chords and rows in a myxoid background with sprinkling of lymphocytes. The individual cells were polygonal with moderate amount of faintly eosinophilic cytoplasm with cytoplasmic vacoules in few cells. The nuclei showed fine chromatin with small prominent nucleoli. Paraffin sections confirmed the diagnosis and on immunohistochemistry the tumor cells showed strong positivity for GFAP and focal weak positivity for EMA with low MIB-1 labeling index (<1%). To the best of our knowledge this is the first documented case of chordoid glioma described on crush cytology.
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Affiliation(s)
- Nandita Ghosal
- Department of Pathology and Transfusion Medicine, SSSIHMS, Bangalore, India.
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Desouza RM, Bodi I, Thomas N, Marsh H, Crocker M. Chordoid glioma: ten years of a low-grade tumor with high morbidity. Skull Base 2011; 20:125-38. [PMID: 20808539 DOI: 10.1055/s-0029-1246223] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
We report two new cases of chordoid glioma of the third ventricle and review all previously published cases of this rare tumor with regard to presentation, optimum management, and outcome. Two new cases are reported with the radiological and histopathologic findings. We searched and cross-referenced PubMed and published reports of this tumor to retrieve an additional 51 cases of this tumor, which were then analyzed according to a proforma. Chordoid glioma has consistent radiological features, although some atypical elements including a cystic component are well described. The insidious presentation and morbidity of attempted surgical resection combine to give high overall morbidity. There is a high incidence of postoperative thromboembolic disturbance. Adjuvant radiosurgery has a promising role. The morbidity of this condition is likely to remain high but may be minimized by a less aggressive surgical approach together with surveillance and early use of radiosurgery.
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Affiliation(s)
- Ruth-Mary Desouza
- Department of Neurosurgery, King's College Hospital, London, United Kingdom
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Al Hinai QS, Petrecca K. Rarest of the rare: Chordoid glioma infiltrating the optic chiasm. Surg Neurol Int 2011; 2:53. [PMID: 21697970 PMCID: PMC3114368 DOI: 10.4103/2152-7806.80118] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Accepted: 04/08/2011] [Indexed: 11/17/2022] Open
Abstract
Background: Chordoid glioma is a rare brain tumor typically located within the anterior third ventricle. It is a well-circumscribed, non-infiltrative tumor that grows as a mass within the ventricle. Case Description: We present the case of a 50-year-old woman with a chordoid glioma located in the anterior third ventricle. Unusually, MRI revealed an enlarged optic chiasm. Histological sampling of the chiasm revealed tumor invasion. Conclusion: Involvement of the optic apparatus is generally thought to be an imaging feature that can be used to distinguish chordoid gliomas from optic/hypothalamic gliomas. This case provides the first reported exception to this dogma.
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Affiliation(s)
- Qasim S Al Hinai
- Department of Neurology and Neurosurgery, Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec, Canada
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Kim JW, Kim JH, Choe G, Kim CY. Chordoid glioma : a case report of unusual location and neuroradiological characteristics. J Korean Neurosurg Soc 2010; 48:62-5. [PMID: 20717514 DOI: 10.3340/jkns.2010.48.1.62] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 12/21/2009] [Accepted: 06/10/2010] [Indexed: 11/27/2022] Open
Abstract
Since the World Health Organization (WHO) classification for central nervous system neoplasms was declared in 2000, chordoid glioma of the third ventricle has been noted as a newly recognized tumor for central nervous system neoplasms. Although there is not enough universal experience to know the nature of this tumor due to its rarity, the origin of chordoid glioma was guardedly proposed to be the ependymal cells of the third ventricle. Such an idea has been primarily based on the specific location of the tumor, that is, third ventricle, suprasellae, and hypothalamus. However, we report a rare case of histologically confirmed chordoid glioma located in the left thalamus, not attached to any of the midline structures having unusual neuroradiological characteristics.
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Affiliation(s)
- Jin Wook Kim
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seongnam, Korea
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Riemenschneider MJ, Reifenberger G. Molecular neuropathology of low-grade gliomas and its clinical impact. Adv Tech Stand Neurosurg 2010; 35:35-64. [PMID: 20102110 DOI: 10.1007/978-3-211-99481-8_2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The term "low-grade glioma" refers to a heterogeneous group of slowly growing glial tumors corresponding histologically to World Health Organization (WHO) grade I or II. This group includes astrocytic, oligodendroglial, oligoastrocytic and ependymal tumor entities, most of which preferentially manifest in children and young adults. Depending on histological type and WHO grade, growth patterns of low-grade gliomas are quite variable, with some tumors diffusely infiltrating the surrounding central nervous system tissue and others showing well demarcated growth. Furthermore, some entities tend to recur and show spontaneous malignant progression while others remain stable for many years. This review provides a condensed overview concerning the molecular genetics of different glioma entities subsumed under the umbrella of low-grade glioma. For a better understanding the cardinal epidemiological, histological and immunohistochemical features of each entity are shortly outlined. Multiple cytogenetic, chromosomal and genetic alterations have been identified in low-grade gliomas to date, with distinct genetic patterns being associated with the individual tumor subtypes. Some of these molecular alterations may serve as a diagnostic adjunct for tumor classification in cases with ambiguous histological features. However, to date only few molecular changes have been associated with clinical outcome, such as the combined losses of chromosome arms 1p and 19q as a favorable prognostic marker in patients with oligodendroglial tumors.
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Affiliation(s)
- M J Riemenschneider
- Department of Neuropathology, Heinrich-Heine-University, Duesseldorf, Germany
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Dziurzynski K, Delashaw JB, Gultekin SH, Yedinak CG, Fleseriu M. Diabetes insipidus, panhypopituitarism, and severe mental status deterioration in a patient with chordoid glioma: case report and literature review. Endocr Pract 2009; 15:240-5. [PMID: 19364693 DOI: 10.4158/ep.15.3.240] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To describe a rare progressive case of chordoid glioma clinically masquerading as idiopathic diabetes insipidus (DI). METHODS We describe the clinical, radiographic, and laboratory findings of the study patient and briefly review the relevant literature. RESULTS A 41-year-old woman was referred to our center for evaluation of worsening mental status changes, a newly diagnosed suprasellar mass, and possible endocrine dysfunction. Three years earlier, a physician at another institution diagnosed idiopathic DI and prescribed desmopressin. At that time, laboratory workup and magnetic resonance imaging (MRI) revealed no brain lesions or other hormonal irregularities. Slow, progressive symptomatology in the following 3 years included mental status changes, nonhealing skin lesions, recurrent infections, temperature dysregulation, and midsection weight gain. She became withdrawn and emotionally labile and developed a flat affect, short-term memory loss, poor concentration, and sleep disturbance. MRI revealed a 2.2 x 2.1 x 1.9-cm suprasellar region lesion. Biopsy samples from the third ventricular lesion revealed a circumscribed glial tumor. Chordoid glioma is a rare tumor, and the 50 previously reported cases have been located in the suprasellar region. This is the third reported case of a chordoid glioma positive for neurofilament protein, which brings into question the hypothesis of a single phenotype for glial tumors. Tumors in this region frequently result in endocrine dysfunction that prompts patients to seek medical attention. CONCLUSIONS There is no formally recognized treatment protocol for chordoid glioma, and postoperative mortality and morbidity is high. Our report emphasizes the necessity of close follow-up of patients after a diagnosis of idiopathic DI. Early detection of any evolving occult hypothalamic-pituitary stalk lesion may improve outcome.
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Affiliation(s)
- Kristine Dziurzynski
- Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon 97239, USA
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Vanhauwaert DJ, Clement F, Van Dorpe J, Deruytter MJ. Chordoid glioma of the third ventricle. Acta Neurochir (Wien) 2008; 150:1183-91. [PMID: 18936876 DOI: 10.1007/s00701-008-0014-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2008] [Accepted: 07/08/2008] [Indexed: 10/21/2022]
Abstract
BACKGROUND Chordoid glioma is a rare tumour (World Health Organisation grade II) originating from the third ventricle with both glial and chordoid features. It was first described by Brat in 1998. Since there is no detailed information available on the outcome after surgery and adjuvant treatment, we reviewed the literature. METHODS A literature search through PUBMED revealed 50 cases of chordoid glioma. Most reports were found in pathology journals. Information on the postoperative course was sometimes very limited. We reviewed the available literature and studied in detail the presenting symptoms, mortality and postoperative complications in relation to the extent of resective surgery, as well as the importance of adjuvant treatment. CONCLUSIONS Mortality in the immediate postoperative period is 32% and is higher after gross total resection as compared to subtotal resection. Non-fatal postoperative complications are hypothalamic disorders and mental alterations. Gross total resection is the treatment of choice since no recurrence has been reported after macroscopically complete resection, but this is often difficult because of the location and adherence to the hypothalamus. The role of postoperative radiotherapy is uncertain. There is some indication that radiosurgery with or without conventional irradiation is superior to conventional radiation alone. Planned subtotal resection followed by stereotactic radiosurgery can be a safe and effective alternative in a patient in whom gross total resection is considered to be too risky. There is no report on the use of chemotherapy in the treatment of chordoid gliomas. More information about the optimal treatment strategy is needed, and more reports are also needed.
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Horbinski C, Dacic S, McLendon RE, Cieply K, Datto M, Brat DJ, Chu CT. Chordoid glioma: a case report and molecular characterization of five cases. Brain Pathol 2008; 19:439-48. [PMID: 18652591 DOI: 10.1111/j.1750-3639.2008.00196.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Chordoid gliomas are rare, slow-growing neoplasms of the anterior third ventricle. We reported a case of chordoid glioma in a 41-year-old man with obstructive hydrocephalus. Histologically, the tumor consisted of polygonal epithelioid cells admixed with elongated cells in a myxoid stroma. A prominent lymphoplasmacytic infiltrate was present. The tumor cells expressed glial fibrillary acidic protein (GFAP), epithelial membrane antigen (EMA), vimentin, CD31, CD34, epidermal growth factor receptor (EGFR) and S100 but were negative for pankeratin and E-cadherin. The percentage of Ki67 positive cells was approximately 3%. Weak p53 immunoreactivity was seen in less than 10% of the cells. Array comparative genomic hybridization performed on this case, as well as on four other archived cases, showed losses at several loci. Fluorescence in situ hybridization (FISH) confirmed consistent genetic alterations at 9p21 and 11q13. These are the fifth through ninth reported cases of chordoid gliomas with molecular characterization suggesting a distinct genetic origin from other gliomas.
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Affiliation(s)
- Craig Horbinski
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
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Chordoid glioma of the third ventricle attached to the optic chiasm. Successful removal through a trans-lamina terminalis approach. Clin Neurol Neurosurg 2008; 110:828-33. [PMID: 18597929 DOI: 10.1016/j.clineuro.2008.05.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2008] [Revised: 05/06/2008] [Accepted: 05/13/2008] [Indexed: 11/24/2022]
Abstract
Chordoid glioma of the third ventricle constitutes a rare, very recently recognized histological entity. Most reports of this neoplasm, focused on its distinct histological features, have hypothesized about a probable origin of the lesion at the third ventricle floor and/or the lamina terminalis. We report on a new case, presenting neuroradiological and intraoperative pictorial evidences of the tumoral attachment, limited to the chiasm-lamina terminalis junction. A 53-year-old woman debuted with acute symptoms of obstructive hydrocephalus, visual disturbances and confusion. MRI investigation showed a large solid-cystic third ventricle mass bulging through the lamina terminalis and ventricular floor. After placing a ventriculoperitoneal shunt, the tumor was completely removed through a trans-lamina terminalis approach. A tight tumoral attachment to the junction of the posterior chiasm to the lamina terminalis was identified and dissected. No other adhesions to the third ventricle boundaries were found. A chordoid glioma was diagnosed on histological examination. One year after the surgical procedure the patient does not present new neurological deficits, and there are no signs of tumoral regrowth on the follow-up postoperative MRI. Chordoid glioma should be included in the differential diagnosis of third ventricle tumors. Preoperative neuroradiological suspicion of this lesion should alert the neurosurgeon about the presence of a tight tumoral adherence at the level of the chiasm-lamina terminalis junction. The trans-lamina terminalis approach provides a suitable route for an early control of this attachment under direct vision, allowing a safe dissection of the mass from the third ventricle.
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Kawasaki K, Kohno M, Inenaga C, Sato A, Hondo H, Miwa A, Fujii Y, Takahashi H. Chordoid glioma of the third ventricle: a report of two cases, one with ultrastructural findings. Neuropathology 2008; 29:85-90. [PMID: 18498285 DOI: 10.1111/j.1440-1789.2008.00925.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Chordoid glioma, which generally occurs in adults, is a rare CNS tumor arising in the anterior part of the third ventricle. We report two cases of chordoid glioma of the third ventricle in a 42-year-old woman and a 51-year-old man, respectively. Both tumors showed essentially the same histological and immunohistochemical features; the tumors were composed of cords and nests of epithelioid, GFAP-immunoreactive cells in a mucinous stroma with lymphoplasmacytic infiltrates at the tumor periphery. Ultrastructural examination in one case revealed that the tumor cells were characterized by the presence of hemidesmosomes and associated focal basal lamina formation, intermediate junctions, microvilli and cilia, and intercellular microrosettes with microvilli. Of interest was that small blood vessels with fenestrated endothelial cells were present in the stroma. In the brain, the presence of fenestrated endothelial cells is a feature of the circumventricular organs (except the subcommissural organ), among which the organum vasculosum of the lamina terminalis is located in the anterior part of the third ventricular floor that is lined by specialized ependymal cells known as tanycytes. These findings further strengthen the hypothesis that chordoid glioma may represent a peculiar clinicopathological subtype of ependymoma (chordoid ependymoma) originating from the lamina terminalis area.
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Affiliation(s)
- Koichi Kawasaki
- Department of Neurosugery, Toyoma Prefectural Central Hospital, Japan
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Chordoid glioma: report of two rare examples with unusual features. Acta Neurochir (Wien) 2008; 150:295-300; discussion 300. [PMID: 18246456 DOI: 10.1007/s00701-008-1420-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2007] [Accepted: 10/12/2007] [Indexed: 10/22/2022]
Abstract
BACKGROUND Chordoid glioma, a rare tumour of the third ventricle, represents a distinct clinico-pathologic entity. Thirty nine examples have been described in the literature, mostly in females and in the third ventricle. The clinical presentation is variable but they tend to occur mostly in adults. There is only one report of a chordoid glioma in a 12 year old child. FINDING This paper describes two examples of chordoid glioma in a seven year old female child and a 70 year old male respectively. Radiologically, the paediatric chordoid glioma was located in the juxtaventricular region in the occipital horn of the lateral ventricle and was of mixed density whereas the adult patient had a typical third ventricle location with homogenous contrast enhancement. Gross total surgical removal was achieved in both but the adult patient died post-operatively due to intra ventricular bleeding and bacterial meningitis. The younger patient is doing well at the last follow up two years post-operatively. Microscopically, both showed the classic morphology of chordoid glioma. Ultrastructural examination was suggestive of ependymal differentiation. CONCLUSION The younger age and unusual location are some of the rare features which need documentation and have not been described earlier. We propose that chordoid glioma is a variant of an ependymoma (WHO grade II) which arises from tanycytes and should be included in the WHO classification of brain tumors.
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Iwami KI, Arima T, Oooka F, Fukumoto M, Takagi T, Takayasu M. Chordoid glioma with calcification and neurofilament expression: case report and review of the literature. ACTA ACUST UNITED AC 2008; 71:115-20; discussion 120. [PMID: 18262609 DOI: 10.1016/j.surneu.2007.07.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2007] [Accepted: 07/09/2007] [Indexed: 10/22/2022]
Abstract
BACKGROUND Chordoid glioma of the third ventricle is a rare type of brain tumor that was recently categorized as a novel tumor entity. Despite low-grade histologic features, the clinical outcome in reported cases was poor. CASE DESCRIPTION A 61-year-old woman presented to our institution with a history of syncope. On presentation, she was alert and oriented, and her systemic examination was unremarkable. Computed tomographic scan showed a well-circumscribed, slightly hyperdense mass with calcification and a cystic component in the anterior part of the third ventricle. The mass was homogenously enhancing after the intravenous administration of contrast material, and its maximum diameter was 3.5 cm. The preoperative diagnosis was craniopharyngioma. Because the tumor seemed to invade the hypothalamus bilaterally, the operative plan was to reduce the tumor volume, followed by radiosurgery. The patient underwent partial removal of the tumor via a bifrontal basal interhemispheric approach. The histologic and immunohistochemical findings indicated CG. Surprisingly, tumor cells showed NFP expression. The residual tumor was treated by GKRS and showed no regrowth at 1-year follow-up. CONCLUSIONS Chordoid glioma is considered a glial neoplasm with distinct morphological and clinicopathologic features, but there may also be other unknown characteristics because of its rarity. To the best of our knowledge, this is the second reported case of CG with calcification and, at the same time, the second case with NFP expression in the English literature. Calcification and expression of NFP should not exclude CG in the differential diagnosis of a third ventricular tumor. The authors also suggest that the combination of microsurgery and GKRS is a safe and effective treatment strategy for CG.
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Affiliation(s)
- Ken-ichiro Iwami
- Department of Neurosurgery, Okazaki City Hospital, Okazaki, Aichi 444-8553, Japan.
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Ortega-Martínez M, Cabezudo J, Bernal-García L, Fernández-Portales I, Gómez-Perals L, Gómez de Tejada R, Pimentel J. Glioma cordoide del III ventrículo. Nuevo caso y revisión de la literatura. Neurocirugia (Astur) 2007. [DOI: 10.1016/s1130-1473(07)70296-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Leeds NE, Lang FF, Ribalta T, Sawaya R, Fuller GN. Origin of chordoid glioma of the third ventricle. Arch Pathol Lab Med 2006; 130:460-4. [PMID: 16594739 DOI: 10.5858/2006-130-460-oocgot] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CONTEXT Chordoid glioma is a relatively recently described unique glial neoplasm that has been formally codified by the World Health Organization in Pathology and Genetics of Tumours of the Nervous System, in which it is included along with astroblastoma and gliomatosis cerebri under the rubric "Tumors of Uncertain Origin." Many examples of chordoid glioma come to clinical attention only at a relatively large size and occupy a large portion of the third ventricle. Accordingly, the anatomic origin of chordoid glioma has been unclear and debated. OBJECTIVE To examine the regional anatomic origin of chordoid glioma. DATA SOURCES The clinical, imaging, histologic, immunophenotypic, and ultrastructural data in previously published case series and individual case reports of chordoid glioma were reviewed in conjunction with the study of a new case of chordoid glioma that presented at a relatively small size, thereby facilitating neuroanatomic localization. CONCLUSIONS Chordoid glioma exhibits features of specialized ependymal differentiation on ultrastructural examination, and all examples reported in the literature to date have displayed a highly stereotypical suprasellar anatomic localization and an ovoid shape, as seen on neuroimaging studies and gross anatomy. Neuroanatomic, radiologic, and clinical evidence supports an anatomic origin for chordoid glioma from the vicinity of the lamina terminalis.
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Affiliation(s)
- Norman E Leeds
- Department of Radiology, Mount Sinai School of Medicine and Hospital, New York, NY, USA
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Jung TY, Jung S. Third Ventricular Chordoid Glioma With Unusual Aggressive Behavior-Case Report-. Neurol Med Chir (Tokyo) 2006; 46:605-8. [PMID: 17185888 DOI: 10.2176/nmc.46.605] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A 50-year-old woman presented with a rare chordoid glioma manifesting as an approximately 4-year history of decreased cognitive function and recent decreased visual acuity. Magnetic resonance imaging showed a 4.5 x 3.5 cm multilobulated strongly enhanced mass in the suprasellar cistern and third ventricle associated with hydrocephalus. The tumor was subtotally removed via a transcallosal approach. Histological examination showed chordoid glioma. Two months later, ventriculoperitoneal shunting was performed for hydrocephalus. The tumor and hydrocephalus recurred after 3 months. She died after 4 months because of deepened mentality and combined pneumonia. This very short duration before recurrence suggests that neuroimaging follow up may be necessary in patients with subtotally removed choroid glioma.
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Affiliation(s)
- Tae-Young Jung
- Department of Neurosurgery, Chonnam National University Research Institute of Medical Sciences, Chonnam National University Hwasun Hospital & Medical School, Gwangju, Korea
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Kurian KM, Summers DM, Statham PFX, Smith C, Bell JE, Ironside JW. Third ventricular chordoid glioma: clinicopathological study of two cases with evidence for a poor clinical outcome despite low grade histological features. Neuropathol Appl Neurobiol 2005; 31:354-61. [PMID: 16008819 DOI: 10.1111/j.1365-2990.2005.00551.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Chordoid glioma of the third ventricle is a rare glial tumour whose precise histogenesis remains uncertain. We describe two cases that presented recently to our department and review the background literature. The neoplasm tends to occur in women and its clinical presentation is variable, resulting from acute hydrocephalus or impingement upon local structures. However, the radiological appearance is distinct, with an ovoid shape, hyperdensity and uniform contrast enhancement on computerized tomography and magnetic resonance imaging. Intraoperative smear diagnosis is difficult because of the lack of specific features, although the presence of metachromatic extracellular mucin may be useful. The characteristic histological appearance is that of cords and clusters of cohesive, oval-to-polygonal epithelioid cells with abundant eosinophilic cytoplasm and a mucinous background. There is often a mixed chronic inflammatory infiltrate with lymphocytes and plasma cells with Russell bodies. The main differentials for histological diagnosis include chordoid meningiomas, pilocytic astrocytomas and ependymomas. An immunohistochemical panel including antibodies to glial fibrillary acidic protein, CD 34, epithelial membrane antigen, pan cytokeratin, S100 and vimentin can be used to distinguish between these possibilities. Ultrastructurally the tumour cells have basal lamina and microvilli, reminiscent of ependymomas. The clinical outcome in our cases was poor because of the location of the lesion and its close relation to the hypothalamus. Limited follow-up after surgery with or without radiotherapy suggests that as-full-as-possible resection favours a better outcome, although surgery in this area carries significant operative risks.
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Affiliation(s)
- K M Kurian
- Neuropathology, Department of Pathology, Western General Hospital, Edinburgh, UK.
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Abstract
In recent years, numerous new entities or variants of recognized central nervous system tumors have been described in the literature, and the morphologic spectrum of these neoplasms is delineated incompletely. The accurate diagnosis and classification of these lesions is important to ensure that patients receive adequate therapy and prognostic information. The clinicopathologic features and differential diagnosis of 4 new entities, including the chordoid glioma of the third ventricle, cerebellar liponeurocytoma, atypical teratoid/rhabdoid tumor, and papillary glioneuronal tumor, are discussed in this review.
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Buccoliero AM, Caldarella A, Gallina P, Di Lorenzo N, Taddei A, Taddei GL. Chordoid glioma: clinicopathologic profile and differential diagnosis of an uncommon tumor. Arch Pathol Lab Med 2005; 128:e141-5. [PMID: 15504076 DOI: 10.5858/2004-128-e141-cgcpad] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Chordoid glioma is an uncommon low-grade brain neoplasm arising in the third ventricular region, predominantly in middle-aged women. It characteristically shows chordoma-like histologic features and glial fibrillary acidic protein immunoreactivity. We present a case of chordoid glioma in a previously healthy 56-year-old woman admitted to our hospital because of a cranial trauma subsequent to an incidental fall. Radiologic examinations revealed a well-demarcated, partially cystic, enhancing mass at the level of the lamina terminalis. The lesion was surgically removed. The patient remained alive and well 8 months after the surgery. Histologically, the tumor consisted of clusters and cords of epithelioid cells embedded in a mucinous matrix. Lymphoplasmacytic infiltrates and Russell bodies were prominent. Immunohistochemically, the tumor cells were positive for glial fibrillary acidic protein, neurofilaments, and neuron-specific enolase, suggesting a divergent neuronal and glial differentiation. The Ki-67 index was low. The clinicopathologic profile and the differential diagnosis of this tumor are discussed.
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Affiliation(s)
- Anna Maria Buccoliero
- Department of Human Pathology and Oncology, Medical School, University of Florence, Florence, Italy.
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Cenacchi G, Giangaspero F. Emerging Tumor Entities and Variants of CNS Neoplasms. J Neuropathol Exp Neurol 2004; 63:185-92. [PMID: 15055442 DOI: 10.1093/jnen/63.3.185] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Since the appearance in 2000 of the World Health Organization (WHO) classification for central nervous system (CNS) neoplasms, numerous descriptions of new entities or variants have appeared in the literature. In the group of neuronal and mixed glioneuronal neoplasms are lesions with distinctive morphological features that are still not included in a precise classification, including extraventricular neurocytoma, papillary glioneuronal tumor, rosette-forming glioneuronal of the fourth ventricle, glioneuronal with neuropil-like rosette, and DNT-like tumor of the septum pellucidum. The glioneuronal tumor with neuropil-like rosette and oligodendroglioma with neurocytic differentiation represent morphological variants of genetically proven diffuse gliomas. The lipoastrocytoma and the pilomixoid astrocytoma enlarge the group of astrocytic lesions. Rare, low-grade gliomas of the spinal cord with extensive leptomeningeal dissemination associated with unusual neuroimaging are described. The chordoid glioma of the third ventricle and the papillary tumor of the pineal region seem to be correlated by a common histogenesis from the specialized ependyma of the subcommissural organ. An embryonal tumor with neuropil and true rosettes combining features of neuroblastoma and ependymoblastoma is discussed. These new, recently described lesions indicate that the complex morphologic spectrum of CNS tumors is far from being completely delineated.
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Affiliation(s)
- Giovanna Cenacchi
- Department of Radiology and Pathology, University of Bologna, Bologna, Italy
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