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Kantiwal P, Aggarwal A, Yadav SK, Gahlot N, Elhence A. Exceptionally giant neglected sacral chordoma in a post-poliotic residual paralysis patient - a rare case scenario. AMERICAN JOURNAL OF NEURODEGENERATIVE DISEASE 2024; 13:13-22. [PMID: 39308697 PMCID: PMC11411203 DOI: 10.62347/eknj6411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Accepted: 08/24/2024] [Indexed: 09/25/2024]
Abstract
Chordoma is a rare malignant tumour with an incidence of 0.1 case per 1 lakh population per year. The sacrococcygeal region is the most common site to be involved. Herein, we are reporting a case of sacral chordoma, who is a 32-year-old male patient, a known case of post-polio residual paralysis on the left lower limb, who presented with complaint of pain in the lower back and gluteal region for 2 years with swelling in the gluteal region for 1 year, which was gradually increasing in size for 1 year with associated weight loss. MRI revealed an ill-defined lytic expansile altered signal intensity lesion involving S3 to S5 and coccygeal vertebral bodies measuring 13.2 × 16.2 × 14 cm (ap × tr × cc) with adjacent large lobulated heterogeneous soft tissue component and showed multiple coarse calcifications. The lesion anteriorly displaced and abutted the rectum and was deriving its blood supply from branches of bilateral internal iliac arteries. The patient was planned and underwent wide-margin resection (middle sacrectomy with R0 margins with preservation of both S2 and right S3 nerve roots). Histologic Grade was reported to be G2, moderately differentiated, high grade. Pathologic stage classification was reported as pT3a. Postoperatively patient had the same neurological status and was discharged on advice to do full weight bearing walking and self-intermittent catheterisation and laxatives. He was on routine follow up and improved well symptomatically.
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Affiliation(s)
- Prabodh Kantiwal
- Department of Orthopaedics Surgery, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Aakarsh Aggarwal
- Department of Orthopaedics Surgery, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Sandeep K Yadav
- Department of Orthopaedics Surgery, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Nitesh Gahlot
- Department of Orthopaedics Surgery, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Abhay Elhence
- Department of Orthopaedics Surgery, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
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2
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Abualkhair KA, Sharif AF, Eid H, ElToukhy AG, Ezzat M, Taha MM. Unusual Presentation of Thoracic Chordoma with Spinal Epidural Hematoma: A Rare Case Report and PRISMA-Driven Systematic Review. CLINICAL MEDICINE INSIGHTS-CASE REPORTS 2024; 17:11795476241266099. [PMID: 39081345 PMCID: PMC11287744 DOI: 10.1177/11795476241266099] [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: 12/20/2023] [Accepted: 06/12/2024] [Indexed: 08/02/2024]
Abstract
A chordoma is a slow growing, locally invasive, low-grade tumor belonging to the sarcoma family. It mainly affects the sacrum and skull base. We present a case of thoracic chordoma initially presented with epidural hematoma (EDH), which is a rare clinical entity. We reported this case, and also performed a PRISMA-driven systematic review to summary the similar cases in the literature. This review includes the clinical characteristics and outcome of thoracic chordoma. Our case involves a 60-year-old male who, despite no history of trauma, presented with acute paraparesis. An epidural hematoma was identified at T6 level, leading to a surgical intervention involving T4-6 laminectomy and fixation. Six months subsequent to surgery, the patient experienced progressive lower limb weakness and spasticity. Computed tomography (CT) exhibited erosion of T6 and an associated aggressive mass. Magnetic resonance imaging (MRI) revealed a large heterogenous soft tissue mass arising from the vertebral body and right pedicle of D6, protruding in the epidural space and compressing the spinal cord focally at this level. The mass measured approximately 5 × 4 × 3.5 cm. Magnetic resonance myelography indicated a filling defect at T5-6 level, confirming the intraspinal location of the soft tissue lesion. Complete excision of the mass confirmed the diagnosis of thoracic chordoma. Postoperative follow-up demonstrated notable improvement in the lower limb spasticity and paraparesis, and the patient started adjuvant radiotherapy. This case underscores the importance of maintaining a high index of suspicion when evaluating presentations resembling EDH.
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Affiliation(s)
| | - Asmaa F. Sharif
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Tanta university, Egypt
| | - Hadeel Eid
- Department of Diagnostic Imaging, Menoufia University Hospitals, Menoufia, Egypt
| | - Ahmed G ElToukhy
- Department of Neurosurgery, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mohammad Ezzat
- Department of Neurosurgery, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mahmoud M Taha
- Department of Neurosurgery, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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3
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Desai R, Pelargos PE, Dunn IF. Chordoma: Genetics and Contemporary Management. Int J Mol Sci 2024; 25:5877. [PMID: 38892063 PMCID: PMC11172617 DOI: 10.3390/ijms25115877] [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: 04/22/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Chordomas, arising from notochord remnants, are rare neoplasms with aggressive growth patterns despite their histologically low-grade nature. This review explores their embryological origins, molecular markers like brachyury, and genetic alterations driving pathogenesis. Diagnosis relies on advanced imaging and biopsy confirmation due to overlapping features with chondrosarcoma. The WHO classification distinguishes conventional, dedifferentiated, and poorly differentiated chordomas, each with distinct prognostic implications. Recent genomic analyses uncovered recurrent mutations in PI3K signaling pathways and chromatin remodeling genes, informing prognostic models. Surgery remains the cornerstone of treatment, though adjuvant radiation complements surgical resection. Although chordomas are generally considered refractory to medical therapy, emerging targeted molecular strategies show potential promise in ongoing trials. This review aims to provide a concise yet comprehensive overview of chordomas, guiding clinicians in diagnosis, treatment, and prognostication for improved patient outcomes.
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Affiliation(s)
| | | | - Ian F. Dunn
- Department of Neurological Surgery, University of Oklahoma, Oklahoma City, OK 73104, USA; (R.D.); (P.E.P.)
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4
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Bette S, Haase L, Nell J, Grieser T, von Baer A, Schultheiss M, Marienfeld R, Möller P, Barth TFE, Mellert K. Impact of CDK Inhibitors on TBXT Expression in Chordoma Cell Lines Including the First Stable Cell Line of a High-Grade Chordoma. Diagnostics (Basel) 2024; 14:1028. [PMID: 38786326 PMCID: PMC11120607 DOI: 10.3390/diagnostics14101028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/09/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Chordomas are very rare malignant neoplasms of the bone occurring almost exclusively along the spine. As the tumours are thought to arise from notochordal remnants, the vast majority of chordomas express the TBXT gene, resulting in detectable nuclear amounts of its gene product brachyury. This T-Box transcription factor is commonly recognised as being essential in chordoma cells, and limiting TBXT expression is thought to be the key factor in controlling this tumour. Although the tumour is rare, distinct molecular differences and vulnerabilities have been described with regard to its location and the progression status of the disease, rendering it mandatory for novel cell lines to reflect all relevant chordoma subtypes. Here, we describe a novel chordoma cell line arising from the pleural effusion of a disseminated, poorly differentiated chordoma. This cell line, U-CH22, represents a highly aggressive terminal chordoma and, therefore, fills a relevant gap within the panel of available cell culture models for this orphan disease. CDK7 and CDK9 inhibition was lately identified as being effective in reducing viability in four chordoma cell lines, most likely due to a reduction in brachyury levels. In this study, we determined the capability of the CDK7 inhibitor THZ1 and the CDK1/2/5/9 inhibitor dinaciclib to reduce TBXT expression at mRNA and protein levels in a broad range of nine cell lines that are models of primary, recurrent, and metastasised chordoma of the clivus and the sacrum.
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Affiliation(s)
- Sarah Bette
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Luisa Haase
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Juliane Nell
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Thomas Grieser
- Institute of Radiology, University Hospital Augsburg, 86156 Augsburg, Germany
| | - Alexandra von Baer
- Department of Trauma Surgery, University Hospital Ulm, 89081 Ulm, Germany
| | - Markus Schultheiss
- Department of Trauma Surgery, University Hospital Ulm, 89081 Ulm, Germany
| | - Ralf Marienfeld
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | - Peter Möller
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
| | | | - Kevin Mellert
- Institute of Pathology, University Hospital Ulm, 89081 Ulm, Germany
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5
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Hoch CC, Knoedler L, Knoedler S, Bashiri Dezfouli A, Schmidl B, Trill A, Douglas JE, Adappa ND, Stögbauer F, Wollenberg B. Integrated Molecular and Histological Insights for Targeted Therapies in Mesenchymal Sinonasal Tract Tumors. Curr Oncol Rep 2024; 26:272-291. [PMID: 38376625 PMCID: PMC10920452 DOI: 10.1007/s11912-024-01506-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2024] [Indexed: 02/21/2024]
Abstract
PURPOSE OF REVIEW This review aims to provide a comprehensive overview of mesenchymal sinonasal tract tumors (STTs), a distinct subset of STTs. Despite their rarity, mesenchymal STTs represent a unique clinical challenge, characterized by their rarity, often slow progression, and frequently subtle or overlooked symptoms. The complex anatomy of the sinonasal area, which includes critical structures such as the orbit, brain, and cranial nerves, further complicates surgical treatment options. This underscores an urgent need for more advanced and specialized therapeutic approaches. RECENT FINDINGS Advancements in molecular diagnostics, particularly in next-generation sequencing, have significantly enhanced our understanding of STTs. Consequently, the World Health Organization has updated its tumor classification to better reflect the distinct histological and molecular profiles of these tumors, as well as to categorize mesenchymal STTs with greater accuracy. The growing understanding of the molecular characteristics of mesenchymal STTs opens new possibilities for targeted therapeutic interventions, marking a significant shift in treatment paradigms. This review article concentrates on mesenchymal STTs, specifically addressing sinonasal tract angiofibroma, sinonasal glomangiopericytoma, biphenotypic sinonasal sarcoma, and skull base chordoma. These entities are marked by unique histopathological and molecular features, which challenge conventional treatment approaches and simultaneously open avenues for novel targeted therapies. Our discussion is geared towards delineating the molecular underpinnings of mesenchymal STTs, with the objective of enhancing therapeutic strategies and addressing the existing shortcomings in the management of these intricate tumors.
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Affiliation(s)
- Cosima C Hoch
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
| | - Leonard Knoedler
- Department of Surgery, Division of Plastic Surgery, Yale School of Medicine, New Haven, CT, USA
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Samuel Knoedler
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum Munich, Munich, Germany
| | - Ali Bashiri Dezfouli
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
- Central Institute for Translational Cancer Research, Technical University of Munich (TranslaTUM), Department of Radiation Oncology, Klinikum rechts der Isar, Munich, Germany
| | - Benedikt Schmidl
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
| | - Anskar Trill
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany
- Central Institute for Translational Cancer Research, Technical University of Munich (TranslaTUM), Department of Radiation Oncology, Klinikum rechts der Isar, Munich, Germany
| | - Jennifer E Douglas
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Nithin D Adappa
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Fabian Stögbauer
- Institute of Pathology, School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Barbara Wollenberg
- Department of Otolaryngology, Head and Neck Surgery, School of Medicine and Health, Technical University of Munich (TUM), Ismaningerstrasse 22, 81675, Munich, Germany.
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Liu J, Qi Y, Hou S, Zhang S, Wang Z. Linc01116 Silencing Inhibits the Proliferation and Invasion, Promotes Apoptosis of Chordoma Cells via Regulating the Expression of Mir-9-5p/PKG1. Curr Mol Med 2024; 24:1056-1071. [PMID: 37489776 DOI: 10.2174/1566524023666230719121758] [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: 11/18/2022] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 07/26/2023]
Abstract
BACKGROUND Long intergenic non-protein coding RNA 1116 (LINC01116) plays a carcinogenic role in a variety of cancers. The study aims to investigate the roles of LINC01116 and hsa-miR-9-5p (miR-9-5p) and fathom their interaction in chordoma. METHODS The predicted binding sites between miR-9-5p with LINC01116 and phosphoglycerate kinase 1 (PGK1) by starBase were confirmed through dual-luciferase reporter assay. The behaviors of chordoma cells undergoing transfection with siLINC01116 or miR-9-5p inhibitor were determined by Cell Counting Kit-8 (CCK-8), colony formation, Transwell, and flow cytometry assays. The glucose consumption, lactate production, and adenosine triphosphate (ATP) production of chordoma cells were examined with specific kits. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot were performed to determine relevant gene expressions in chordoma cells. RESULTS Silencing of LINC01116 facilitated the apoptosis and expressions of Bcl-2- associated X (Bax), cleaved caspase-3 (C caspase-3) and miR-9-5p while repressing the cell cycle, viability, proliferation, invasion, glucose consumption, lactate production, ATP production, and expressions of PGK1 and Bcl-2. Meanwhile, LINC01116 sponged miR-9-5p, which could target PGK1. Moreover, the miR-9-5p inhibitor acted contrarily and reversed the role of siLINC01116 in chordoma cells. Besides, LINC01116 downregulation facilitated apoptosis and attenuated the proliferation and invasion of chordoma cells as well as PGK1 expression by upregulating miR-9-5p expression. CONCLUSION LINC01116/miR-9-5p plays a regulatory role in the progression of chordoma cells and is a potential biomarker for chordoma.
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Affiliation(s)
- Junqi Liu
- Department of Otorhinolaryngology, Xuanwu Hospital Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, 100053, China
| | - Yan Qi
- Department of Otorhinolaryngology, Xuanwu Hospital Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, 100053, China
| | - Siyuan Hou
- Department of Otorhinolaryngology, Xuanwu Hospital Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, 100053, China
| | - Siyuan Zhang
- Department of Otorhinolaryngology, Xuanwu Hospital Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, 100053, China
| | - Zhenlin Wang
- Department of Otorhinolaryngology, Xuanwu Hospital Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, 100053, China
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7
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Apps J, Gagen R, Neumann E, Solanki G, English M. A 13-year patient journey of infant giant clival chordoma: case report and literature review. Childs Nerv Syst 2023; 39:1077-1081. [PMID: 36414866 PMCID: PMC10159969 DOI: 10.1007/s00381-022-05749-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 11/03/2022] [Indexed: 11/24/2022]
Abstract
Chordomas are rare malignant bone tumours that develop from the ectopic remnants of the embryonic notochord. In contrast to adults, the majority in children under 16 present intra-cranially (63%). In 2006, we reported the youngest case of a large clival chordoma, a 15-week old baby, the second case to present without skull base involvement and the fourth case of chordoma in a patient with tuberous sclerosis (TS) Kombogiorgas (Childs Nerv Syst 22(10):1369-1374, 2006). In this report, we provide an update on this patient's journey through a range of therapeutic options and summarize an update of the literature, since 2006, for this patient group.
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Affiliation(s)
- J Apps
- Department of Oncology, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
- Department of Neurosurgery, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
- Cancer Research Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - R Gagen
- Department of Neurosurgery, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
- Radiology Department, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - E Neumann
- Department of Oncology, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
- Department of Neurosurgery, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - G Solanki
- Cancer Research Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - M English
- Department of Oncology, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK.
- Department of Neurosurgery, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK.
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Körfer D, Jentschura D. Surgical Management of Presacral Tumors: Report of 5 Cases With Video Vignette of Laparoscopic Removal. Surg Laparosc Endosc Percutan Tech 2023; 33:198-201. [PMID: 36971516 DOI: 10.1097/sle.0000000000001164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/10/2023] [Indexed: 03/29/2023]
Abstract
BACKGROUND Cystic tumors in the presacral space represent a rare pathology. In case of symptoms, but particularly due to the danger of malignant degeneration, surgical removal is indicated. Due to the complex position in the pelvis with its proximity to important anatomic structures, the choice of the surgical approach is decisive. METHODS To present an overview of the recent knowledge of presacral tumors, a PubMed-based literature review was performed. Subsequently, we present 5 cases where different surgical strategies were evaluated including a video of a laparoscopic removal. RESULTS Presacral tumors can be of different histopathologic origins. Complete surgical excision is the treatment of choice, with open abdominal, open abdominoperineal, and posterior accesses available, as well as minimally invasive techniques. CONCLUSION Laparoscopic resection of presacral tumors is a well-suitable option, but the decision must always be made individually.
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Affiliation(s)
- Daniel Körfer
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, Heidelberg
- Department of General and Visceral Surgery, Diakonissen-Stiftungs-Krankenhaus Speyer, Speyer, Germany
| | - Dirk Jentschura
- Department of General and Visceral Surgery, Diakonissen-Stiftungs-Krankenhaus Speyer, Speyer, Germany
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Amadasu E, Panther E, Lucke-Wold B. Characterization and Treatment of Spinal Tumors. INTENSIVE CARE RESEARCH 2022; 2:76-95. [PMID: 36741203 PMCID: PMC9893847 DOI: 10.1007/s44231-022-00014-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 09/03/2022] [Indexed: 02/07/2023]
Abstract
The prevalence of spinal tumors is rare in comparison to brain tumors which encompass most central nervous system tumors. Tumors of the spine can be divided into primary and metastatic tumors with the latter being the most common presentation. Primary tumors are subdivided based on their location on the spinal column and in the spinal cord into intramedullary, intradural extramedullary, and primary bone tumors. Back pain is a common presentation in spine cancer patients; however, other radicular pain may be present. Magnetic resonance imaging (MRI) is the imaging modality of choice for intradural extramedullary and intramedullary tumors. Plain radiographs are used in the initial diagnosis of primary bone tumors while Computed tomography (CT) and MRI may often be necessary for further characterization. Complete surgical resection is the treatment of choice for spinal tumors and may be curative for well circumscribed lesions. However, intralesional resection along with adjuvant radiation and chemotherapy can be indicated for patients that would experience increased morbidity from damage to nearby neurological structures caused by resection with wide margins. Even with the current treatment options, the prognosis for aggressive spinal cancer remains poor. Advances in novel treatments including molecular targeting, immunotherapy and stem cell therapy provide the potential for greater control of malignant and metastatic tumors of the spine.
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Affiliation(s)
- Efosa Amadasu
- School of Medicine, University of South Florida, Tampa, USA
| | - Eric Panther
- Department of Neurosurgery, University of Florida, Gainesville, USA
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10
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Zhao C, Tan T, Zhang E, Wang T, Gong H, Jia Q, Liu T, Yang X, Zhao J, Wu Z, Wei H, Xiao J, Yang C. A chronicle review of new techniques that facilitate the understanding and development of optimal individualized therapeutic strategies for chordoma. Front Oncol 2022; 12:1029670. [PMID: 36465398 PMCID: PMC9708744 DOI: 10.3389/fonc.2022.1029670] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 10/19/2022] [Indexed: 09/01/2023] Open
Abstract
Chordoma is a rare malignant bone tumor that mainly occurs in the sacrum and the clivus/skull base. Surgical resection is the treatment of choice for chordoma, but the local recurrence rate is high with unsatisfactory prognosis. Compared with other common tumors, there is not much research and individualized treatment for chordoma, partly due to the rarity of the disease and the lack of appropriate disease models, which delay the discovery of therapeutic strategies. Recent advances in modern techniques have enabled gaining a better understanding of a number of rare diseases, including chordoma. Since the beginning of the 21st century, various chordoma cell lines and animal models have been reported, which have partially revealed the intrinsic mechanisms of tumor initiation and progression with the use of next-generation sequencing (NGS) techniques. In this study, we performed a systematic overview of the chordoma models and related sequencing studies in a chronological manner, from the first patient-derived chordoma cell line (U-CH1) to diverse preclinical models such as the patient-derived organoid-based xenograft (PDX) and patient-derived organoid (PDO) models. The use of modern sequencing techniques has discovered mutations and expression signatures that are considered potential treatment targets, such as the expression of Brachyury and overactivated receptor tyrosine kinases (RTKs). Moreover, computational and bioinformatics techniques have made drug repositioning/repurposing and individualized high-throughput drug screening available. These advantages facilitate the research and development of comprehensive and personalized treatment strategies for indicated patients and will dramatically improve their prognoses in the near feature.
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Affiliation(s)
- Chenglong Zhao
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Tao Tan
- Department of Orthopedics, 905 Hospital of People’s Liberation Army Navy, Shanghai, China
| | - E. Zhang
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Ting Wang
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Haiyi Gong
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Qi Jia
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Tielong Liu
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Xinghai Yang
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Jian Zhao
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Zhipeng Wu
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Haifeng Wei
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Jianru Xiao
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
| | - Cheng Yang
- Spinal Tumor Center, Department of Orthopedic Oncology, Changzheng Hospital, Shanghai, China
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11
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Freed DM, Sommer J, Punturi N. Emerging target discovery and drug repurposing opportunities in chordoma. Front Oncol 2022; 12:1009193. [PMID: 36387127 PMCID: PMC9647139 DOI: 10.3389/fonc.2022.1009193] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 10/11/2022] [Indexed: 09/01/2023] Open
Abstract
The development of effective and personalized treatment options for patients with rare cancers like chordoma is hampered by numerous challenges. Biomarker-guided repurposing of therapies approved in other indications remains the fastest path to redefining the treatment paradigm, but chordoma's low mutation burden limits the impact of genomics in target discovery and precision oncology efforts. As our knowledge of oncogenic mechanisms across various malignancies has matured, it's become increasingly clear that numerous properties of tumors transcend their genomes - leading to new and uncharted frontiers of therapeutic opportunity. In this review, we discuss how the implementation of cutting-edge tools and approaches is opening new windows into chordoma's vulnerabilities. We also note how a convergence of emerging observations in chordoma and other cancers is leading to the identification and evaluation of new therapeutic hypotheses for this rare cancer.
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12
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Young K, Nielsen T, Bulosan H, Thorne TJ, Ogasawara CT, Birkeland AC, Tang DM, Wu AW, Steele TO. Metastatic skull base chordoma: A systematic review. Laryngoscope Investig Otolaryngol 2022; 7:1280-1291. [PMID: 36258855 PMCID: PMC9575061 DOI: 10.1002/lio2.906] [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: 07/14/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/11/2022] Open
Abstract
Objective/Hypothesis To investigate the clinical features, management strategies and outcomes for patients with metastatic primary skull base chordomas. Study Design Systematic review. Methods A systematic search through Pubmed/Medline, Web of Science, and EBSCOhost (CINAHL) was conducted without restriction on dates. After study screening and full-text assessment, two authors independently extracted all data using a pre-established abstraction form. Results Forty cases were included from 38 studies. The average age (standard deviation [SD]) of the sample at presentation was 28.5 (23.3) and was equally distributed across genders. The average time (SD) between initial diagnosis to local recurrence was 40.1 (60.3) months. The average time (SD) from primary tumor detection to the diagnosis of metastatic disease was 55.2 (49.0) months. The most common subsite for metastatic spread were the lungs (32.5%). Of the 33 patients with data on outcomes, 48.5% were found to have expired by the time of publication. The median overall survival was estimated to be 84 months (95% confidence interval [CI] 62.3-105.7). Conclusions The most common subsites for metastatic spread of skull base chordoma were the lungs and bone. Overall survival for patients in the current cohort was a median of 84 months, with no significant differences noted when stratifying by the extent of surgery or the site of metastases. Level of Evidence 3a.
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Affiliation(s)
- Kurtis Young
- University of Hawai'i at Mānoa John A. Burns School of MedicineHonoluluHawaiiUSA
| | - Torbjoern Nielsen
- University of Hawai'i at Mānoa John A. Burns School of MedicineHonoluluHawaiiUSA
| | - Hannah Bulosan
- University of Hawai'i at Mānoa John A. Burns School of MedicineHonoluluHawaiiUSA
| | - Tyler J. Thorne
- University of Hawai'i at Mānoa John A. Burns School of MedicineHonoluluHawaiiUSA
| | - Christian T. Ogasawara
- Department of NeurosurgeryUniversity of Texas Medical Branch at GalvestonGalvestonTexasUSA
| | - Andrew C. Birkeland
- Department of Otolaryngology‐Head and Neck SurgeryUniversity of California Davis Medical CenterSacramentoCaliforniaUSA
| | - Dennis M. Tang
- Department of Otolaryngology‐Head and Neck SurgeryCedars‐Sinai Medical CenterLos AngelesCaliforniaUSA
| | - Arthur W. Wu
- Department of Otolaryngology‐Head and Neck SurgeryCedars‐Sinai Medical CenterLos AngelesCaliforniaUSA
| | - Toby O. Steele
- Department of Otolaryngology‐Head and Neck SurgeryUniversity of California Davis Medical CenterSacramentoCaliforniaUSA
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13
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Gao J, Huang R, Yin H, Song D, Meng T. Research hotspots and trends of chordoma: A bibliometric analysis. Front Oncol 2022; 12:946597. [PMID: 36185236 PMCID: PMC9523362 DOI: 10.3389/fonc.2022.946597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Background Chordoma is a type of mesenchymal malignancy with a high recurrence rate and poor prognosis. Due to its rarity, the tumorigenic mechanism and optimal therapeutic strategy are not well known. Methods All relevant articles of chordoma research from 1 January 2000 to 26 April 2022 were obtained from Web of Science Core Collection database. Blibliometrix was used to acquire basic publication data. Visualization and data table of collaboration network, dynamic analysis, trend topics, thematic map, and factorial analysis were acquired using Blibliometrix package. VOSviewer was used to generate a visualization map of co-citation analysis and co-occurrence. Results A total of 2,285 articles related to chordoma were identified. The most influential and productive country/region was the United States, and Capital Medical University has published the most articles. Among all high-impact authors, Adrienne M. Flanagan had the highest average citation rate. Neurosurgery was the important periodical for chordoma research with the highest total/average citation rate. We focused on four hotspots in recent chordoma research. The research on surgical treatment and radiotherapy was relatively mature. The molecular signaling pathway, targeted therapy and immunotherapy for chordoma are not yet mature, which will be the future trends of chordoma research. Conclusion This study indicates that chordoma studies are increasing. Surgery and radiotherapy are well reported and always play fundamental roles in chordoma treatment. The molecular signaling pathway, targeted therapy, and immunotherapy of chordoma are the latest research hotspots.
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Affiliation(s)
- Jianxuan Gao
- Department of Spine Surgery, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Runzhi Huang
- Department of Spine Surgery, Tongji Hospital, Tongji University School of Medicine, Tongji University, Shanghai, China
| | - Huabin Yin
- Department of Spine Surgery, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Dianwen Song
- Department of Spine Surgery, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- *Correspondence: Tong Meng, ; Dianwen Song,
| | - Tong Meng
- Department of Spine Surgery, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- *Correspondence: Tong Meng, ; Dianwen Song,
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14
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Challenges of Systemic Therapy Investigations for Bone Sarcomas. Int J Mol Sci 2022; 23:ijms23073540. [PMID: 35408900 PMCID: PMC8998654 DOI: 10.3390/ijms23073540] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/03/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
Bone sarcoma is a rare component of malignant solid tumors that accounts for only ~0.2% of malignancies. Bone sarcomas present various histological types, and genomic mutations differ markedly by the histological types. Although there are vast mutations in various bone sarcomas, most of them are non-actionable, and even potential targetable mutations that are actionable targets in other malignancies have not shown the appropriate responses in clinical trials for bone sarcomas. Investigations of new systemic therapy, including molecular targeted therapies for bone sarcomas, have thus not progressed like those for other solid tumors. Another problem is that high rates of pediatric/adolescent and young adult patients have bone sarcomas such as osteosarcoma, and patient recruitment for clinical trials (especially randomized trials) is challenging. For pediatric patients, evaluations of tolerability and appropriate dose modifications of new drugs are needed, as their findings could provide the threshold for investigating new drugs for bone sarcomas. To solve these problems, improvements in registry systems, real world data, and pediatric extrapolation have been attempted. We review the issues regarding targeted drug investigations for bone sarcomas, focusing on the current clinical evidence and efforts to resolve these issues.
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15
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Heft Neal ME, Michmerhuizen NL, Kovatch KJ, Owen JHJ, Zhai J, Jiang H, McKean EL, Prince ME, Brenner JC. Advancement of PI3 Kinase Inhibitor Combination Therapies for PI3K-Aberrant Chordoma. J Neurol Surg B Skull Base 2022; 83:87-98. [PMID: 35155075 PMCID: PMC8824629 DOI: 10.1055/s-0040-1716694] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 07/19/2020] [Indexed: 10/23/2022] Open
Abstract
Objectives Targeted inhibitors of the PI3 kinase (PI3K) pathway have shown promising but incomplete antitumor activity in preclinical chordoma models. The aim of this study is to advance methodology for a high-throughput drug screen using chordoma models to identify new combination therapies for chordoma. Study Design Present work is an in vitro study. Setting The study conducted at an academic research laboratory. Materials and Methods An in vitro study on automated high-throughput screening of chordoma cells was performed using a library of 1,406 drugs as both mono- and combination therapies with PI3K inhibitors. Combination indices were determined for dual therapies and synergistic outliers were identified as potential therapeutic agents. T (brachyury) siRNA knockdown in combination with PI3K pathway inhibition was also assessed. Results Fifty-nine combination therapies were identified as having potential therapeutic efficacy. Effective combinations included PI3K inhibitors with GSK1838705A (ALK/IGF-1R inhibitor), LY2874455 (VEGFR/FGFR inhibitor), El1 (selective Ezh2 inhibitor), and (-)-p-bromotetramisole oxalate (alkaline phosphatase inhibitor). The top ranking targets identified included ALK, PDGFR, VEGFR, aurora kinase, and BCL-2. T (brachyury) inhibition produced significant reduction in cell viability and growth; however PI3K inhibition in combination with T (brachyury) knockdown did not result in further reduction in growth and viability in vitro. Conclusion High throughput with in vitro combination screening is feasible with chordoma cells and allows for rapid identification of synergistic dual-therapies. Potential combination therapies and targetable pathways were identified. T (brachyury) knockdown produced significant reduction in cell viability, but did not show additional benefit with PI3K pathway inhibition in this model. Further in vitro and in vivo validation of these therapeutic combinations is warranted.
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Affiliation(s)
- Molly E. Heft Neal
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Nicole L. Michmerhuizen
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, Michigan, United States
| | - Kevin J. Kovatch
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - John Henry J. Owen
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Jingyi Zhai
- Department of Biostatistics, School of Public Heath, University of Michigan, Ann Arbor, Michigan, United States
| | - Hui Jiang
- Department of Biostatistics, School of Public Heath, University of Michigan, Ann Arbor, Michigan, United States
- Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan, United States
| | - Erin L. McKean
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Mark E.P. Prince
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - J. Chad Brenner
- Department of Otolaryngology—Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, Michigan, United States
- Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan, United States
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16
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Klejnow EV, Hoban K, Nixon I, Elswood TR. Metastatic chordoma with pancreatic disease and response to imatinib. BMJ Case Rep 2022; 15:e240062. [PMID: 35046072 PMCID: PMC8772418 DOI: 10.1136/bcr-2020-240062] [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] [Accepted: 12/31/2021] [Indexed: 11/03/2022] Open
Abstract
A 45-year-old woman presented with a left-sided neck swelling following treatment a year prior for cervical spine chordoma. She had initially been managed surgically with a cervical vertebrectomy and a course of proton beam therapy. Although there had been a degree of residual tissue, her disease remained stable radiologically and clinically. Repeat MRI demonstrated an increasing left paravertebral mass and a head of pancreas metastasis, which shared pathological characteristics with chordoma. Given the advanced metastatic nature of her disease, imatinib was offered with a palliative intent. While waiting for treatment she developed a spinal cord compression, managed with radiotherapy. She commenced imatinib and her disease remained stable for 9 months before progressing clinically and radiologically. This case demonstrates an unusual pattern of metastatic chordoma and provides further rationale for imatinib in such patients.
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Affiliation(s)
- Eleanor V Klejnow
- Department of Paediatric Haematology and Oncology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Katie Hoban
- Department of Orthopaedics, Queen Elizabeth University Hospital Campus, Glasgow, UK
| | - Ioanna Nixon
- Department of Clinical Oncology, Beatson West of Scotland Cancer Centre, Glasgow, UK
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17
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Camacho M, Carvalho M, Munhoz R, Etchebehere M, Etchebehere E. FDG PET/CT in bone sarcomas. Nucl Med Mol Imaging 2022. [DOI: 10.1016/b978-0-12-822960-6.00062-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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18
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Balci B, Yildiz A, Leventoğlu S, Mentes B. Retrorectal tumors: A challenge for the surgeons. World J Gastrointest Surg 2021; 13:1327-1337. [PMID: 34950423 PMCID: PMC8649566 DOI: 10.4240/wjgs.v13.i11.1327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 07/26/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023] Open
Abstract
Retrorectal or presacral tumors are rare lesions located in the presacral area and considered as being derived from multiple embryological remnants. These tumors are classified as congenital, neurogenic, osseous, inflammatory, or miscellaneous. The most common among these are congenital benign lesions that present with non-specific symptoms, such as lower back pain and change in bowel habit. Although congenital and developmental tumors occur in younger patients, the median age of presentation is reported to be 45 years. Magnetic resonance imaging plays a crucial role in treatment management through accurate diagnosis of the lesion, the evaluation of invasion to adjacent structures, and the decision of appropriate surgical approach. The usefulness of preoperative biopsy is still debated; currently, it is only indicated for solid or heterogeneous tumors if it will alter the treatment management. Surgical resection with clear margins is considered the optimal treatment; described approaches are transabdominal, perineal, combined abdominoperineal, and minimally invasive. Benign retrorectal tumors have favorable long-term outcomes with a low incidence of recurrence, whereas malignant tumors have a potential for distant organ metastasis in addition to local recurrence.
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Affiliation(s)
- Bengi Balci
- Department of General Surgery, Ankara Oncology Training and Research Hospital, Ankara 06060, Turkey
| | - Alp Yildiz
- Department of General Surgery, Ankara Yenimahalle Training and Research Hospital, Ankara 06370, Turkey
| | - Sezai Leventoğlu
- Department of Surgery, Gazi University Medical School, Ankara 06530, Turkey
| | - Bulent Mentes
- Department of General Surgery, Memorial Ankara Hospital, Ankara 06060, Turkey
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19
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Abstract
CONTEXT.— Chordomas are uncommon malignant neoplasms with notochordal differentiation encountered by neuropathologists, bone/soft tissue pathologists, and general surgical pathologists. These lesions most commonly arise in the axial skeleton. Optimal therapy typically involves complete surgical resection, which is often technically difficult owing to the anatomic location, leading to a high rate of recurrence. Lesions have been generally resistant to radiation and chemotherapy; however, experimental studies involving targeted therapy and immunotherapy are currently underway. OBJECTIVE.— To summarize the clinical and pathologic findings of the various types of chordoma (conventional chordoma, dedifferentiated chordoma, and poorly differentiated chordoma), the differential diagnosis, and recent advances in molecular pathogenesis and therapeutic modalities that are reliant on accurate diagnosis. DATA SOURCES.— Literature review based on PubMed searches containing the term "chordoma" that address novel targeted and immunomodulatory therapeutic modalities; ongoing clinical trials involved in treating chordoma with novel therapeutic modalities identified through the Chordoma Foundation and ClinicalTrials.gov; and the authors' practice experience combined with various authoritative texts concerning the subject. CONCLUSIONS.— Chordoma is a clinically and histologically unique malignant neoplasm, and numerous diagnostic considerations must be excluded to establish the correct diagnosis. Treatment options have largely been centered on surgical excision with marginal results; however, novel therapeutic options including targeted therapy and immunotherapy are promising means to improve prognosis.
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Affiliation(s)
- Veronica Ulici
- From the Department of Pathology and Laboratory Medicine, Rhode Island Hospital, The Warren Alpert School of Medicine, Brown University, Providence, Rhode Island
| | - Jesse Hart
- From the Department of Pathology and Laboratory Medicine, Rhode Island Hospital, The Warren Alpert School of Medicine, Brown University, Providence, Rhode Island
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20
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Pennington Z, Ehresman J, McCarthy EF, Ahmed AK, Pittman PD, Lubelski D, Goodwin CR, Sciubba DM. Chordoma of the sacrum and mobile spine: a narrative review. Spine J 2021; 21:500-517. [PMID: 33589095 DOI: 10.1016/j.spinee.2020.10.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/11/2020] [Accepted: 10/07/2020] [Indexed: 02/03/2023]
Abstract
Chordoma is a notochord-derived primary tumor of the skull base and vertebral column known to affect 0.08 to 0.5 per 100,000 persons worldwide. Patients commonly present with mechanical, midline pain with or without radicular features secondary to nerve root compression. Management of these lesions has classically revolved around oncologic resection, defined by en bloc resection of the lesion with negative margins as this was found to significantly improve both local control and overall survival. With advancement in radiation modalities, namely the increased availability of focused photon therapy and proton beam radiation, high-dose (>50 Gy) neoadjuvant or adjuvant radiotherapy is also becoming a standard of care. At present chemotherapy does not appear to have a role, but ongoing investigations into the ontogeny and molecular pathophysiology of chordoma promise to identify therapeutic targets that may further alter this paradigm. In this narrative review we describe the epidemiology, histopathology, diagnosis, and treatment of chordoma.
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Affiliation(s)
- Zach Pennington
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 5-185A, Baltimore, MD 21287, USA
| | - Jeff Ehresman
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 5-185A, Baltimore, MD 21287, USA
| | - Edward F McCarthy
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - A Karim Ahmed
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 5-185A, Baltimore, MD 21287, USA
| | - Patricia D Pittman
- Department of Neuropathology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Daniel Lubelski
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 5-185A, Baltimore, MD 21287, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Daniel M Sciubba
- Department of Neurosurgery, Johns Hopkins University School of Medicine, 600 N. Wolfe St., Meyer 5-185A, Baltimore, MD 21287, USA.
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21
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Abstract
Chordoma is a rare cancer in children and understanding the genesis of this tumor may contribute to treatment approaches. Evidence has proposed VDC/IE (vincristine, doxorubicin, cyclophosphamide/ifosfamide, etoposide) as a treatment option for young patients with chordoma to avoid the long-term effects of radiation therapy. We present a case of acute myeloid leukemia developing during treatment of localized chordoma of the clivus in a 20-month-old male. We propose a genomic relationship that may have contributed to the development of clival chordoma and acute myeloid leukemia without a latency period and advocate for genomic sequencing in children with chordoma before the initiation of systemic therapies.
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22
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Rustagi T, Schwab JH, Iwenofu H, Mendel E. Overview of the management of primary tumors of the spine. Int J Neurosci 2020; 132:543-557. [PMID: 32942943 DOI: 10.1080/00207454.2020.1825423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
STUDY DESIGN Narrative review. OBJECTIVE To provide a narrative review for diagnosis and management of Primary spine tumors. METHODS A detailed review of literature was done to identify relevant and well cited manuscripts to construct this narrative review. RESULTS Primary tumors of the spine are rare with some racial differences reported. There are numerous adjuvant technologies and developments that influence the way we currently manage these tumors. Collimated radiation allows for heavy dosage to be delivered and have been reported to give good local control both as an adjuvant and neoadjuvant setting. These have made surgical decision making even more intricate needing a multicentric approach. Dedicated care has been shown to significantly improve health quality of life measures and survival. CONCLUSION While, it is beyond the scope of this paper to discuss all primary tumors subtypes individually, this review highlights the developments and approach to primary spine tumors.
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Affiliation(s)
- Tarush Rustagi
- Department of Neurosurgery, The Ohio State University and Wexner Medical Center, The James Cancer Hospital and Solvo Research Institute, Columbus, OH, USA.,Department of Orthopedics and Spine Surgery, Indian Spinal Injuries Centre, New Delhi, India
| | - Joseph H Schwab
- Department of Orthopedic Oncology, Massachusetts General Hospital, Boston, MA, USA.,Department of Orthopedics, Harvard Medical School, Boston, MA, USA
| | - Hans Iwenofu
- Division of Soft Tissue & Bone Pathology, Department of Pathology & Laboratory Medicine, The Ohio State University Wexner Medical Center, The James Cancer Hospital and Solvo Research Institute, Columbus, OH, USA
| | - Ehud Mendel
- Department of Neurosurgery, The Ohio State University and Wexner Medical Center, The James Cancer Hospital and Solvo Research Institute, Columbus, OH, USA
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23
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Li H, Zhang H, Hu L, Wang H, Wang D. Endoscopic endonasal resection and radiotherapy as treatment for skull base chordomas. Acta Otolaryngol 2020; 140:789-794. [PMID: 32804560 DOI: 10.1080/00016489.2020.1748225] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The role of endonasal endoscopic surgery and radiotherapy in the treatment of skull base chordomas remains unclear. OBJECTIVE We investigated the effect of endonasal endoscopic surgery and radiotherapy as treatment for skull base chordomas. METHOD We investigated 46 patients (2006-2018) treated at the Affiliated Eye Ear Nose and Throat Hospital, Fudan University. We documented demographics, clinical presentation, operative resection, complications, postoperative radiotherapy, follow-up time, and survival in all patients. RESULT Complete tumour resection was performed in 18 (39.1%), subtotal tumour resection in 16 (34.8%), and partial tumour resection in 12 (26.1%) patients. Most common clinical manifestations included nasal obstruction (41%), headaches (30%), and visual impairment (20%). The median duration of progression-free survival (PFS) and overall survival (OS) was 21.5 and 33.5 months, respectively. Primary vs. recurrent disease (p = .043), partial resection (PR) vs. subtotal resection (STR) (p = .006), STR vs. gross total resection (GTR) (p = .020), GTR vs. PR (p = .001), and complicated vs. uncomplicated status (p = .002) were significantly associated with PFS. Primary vs. recurrent disease (p = .002), PR vs. STR (p = .001), GTR vs. PR (p = .001), surgery alone vs. surgery concomitant with radiotherapy (p = .048), and complicated vs. uncomplicated status (p = .017) were significantly associated with OS. CONCLUSION Surgery is the primary treatment for chordoma; higher tumour resection rates are associated with higher OS and PFS. Surgeons should aim to resect as much tumour as is safely possible. Postoperative radiotherapy is useful adjuvant treatment to improve OS, and IMRT serves as an effective alternative to PBRT.The optimal radiotherapeutic technique is determined by cost, accessibility, availability of the modality, and tumour volume.
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Affiliation(s)
- Hongbing Li
- Department of Otolaryngology, Eye and ENT Hospital of Fudan University, Shanghai, China
| | - Huankang Zhang
- Department of Otolaryngology, Eye and ENT Hospital of Fudan University, Shanghai, China
| | - Li Hu
- Department of Otolaryngology, Eye and ENT Hospital of Fudan University, Shanghai, China
- Department of Research Centre, Eye and ENT Hospital of Fudan University, Shanghai, China
| | - Huan Wang
- Department of Otolaryngology, Eye and ENT Hospital of Fudan University, Shanghai, China
| | - Dehui Wang
- Department of Otolaryngology, Eye and ENT Hospital of Fudan University, Shanghai, China
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24
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Gill CM, Fowkes M, Shrivastava RK. Emerging Therapeutic Targets in Chordomas: A Review of the Literature in the Genomic Era. Neurosurgery 2020; 86:E118-E123. [PMID: 31504814 DOI: 10.1093/neuros/nyz342] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/13/2019] [Indexed: 12/18/2022] Open
Abstract
Chordomas are rare primary malignant tumors of the bones that occur along the skull base, spine, and sacrum. Long-term survival and neurological outcome continue to be challenging with continued low percentages of long-term survival. Recent studies have used genome, exome, transcriptome, and proteome sequencing to assess the mutational profile of chordomas. Most notably, Brachyury, or T-protein, has been shown to be an early mutational event in chordoma evolution. Clinically actionable mutations, including in the PI3K pathway, were identified. Preliminary evidence suggests that there may be mutational differences associated with primary tumor location. In this study, we review the therapeutic landscape of chordomas and discuss emerging targets in the genomic era.
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Affiliation(s)
- Corey M Gill
- Department of Neurosurgery, Mount Sinai Medical Center, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Mary Fowkes
- Department of Pathology, Mount Sinai Medical Center, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Raj K Shrivastava
- Department of Neurosurgery, Mount Sinai Medical Center, Icahn School of Medicine at Mount Sinai, New York, New York
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25
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Bai J, Zhai Y, Wang S, Li M, Zhang S, Li C, Gui S, Li Q, Zhang Y. LncRNA and mRNA expression profiles reveal the potential roles of lncRNA contributing to regulating dural penetration in clival chordoma. Aging (Albany NY) 2020; 12:10809-10826. [PMID: 32533822 PMCID: PMC7346080 DOI: 10.18632/aging.103294] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 04/28/2020] [Indexed: 01/13/2023]
Abstract
Chordoma is a rare bone cancer originating from embryologic notochordal remnants. Clival chordomas show different dural penetration ability, with serious dural penetration exhibiting poorer prognosis. The molecular mechanism of dural penetration is not clear. We analyzed lncRNA and mRNA profiles in 12 chordoma patients with different degrees of dural penetration using expression microarrays. The differentially expressed lncRNAs and mRNAs were used to construct a lncRNA-mRNA co-expression network. LncRNAs were classified into lincRNA, enhancer-like lncRNA, or antisense lncRNA. Biological functions for lncRNAs were predicted according to the lncRNA-mRNA network and adjacent coding genes by pathway analysis. The 2760 lncRNAs and 3988 mRNAs were differentially expressed in chordomas between two groups of patients with and without dural penetration. Possible pathway involvement of the significance among the 55 lncRNAs located in the lncRNA-mRNA network, 24 lincRNAs, 7 enhancer-like lncRNAs, and 14 antisense lncRNAs include cell adhesion, metastasis, invasion, proliferation, and apoptosis. Expression of 10 lncRNAs and mRNAs, and epidermal growth factor mRNA with two identified lncRNAs were subsequently verified by qRT-PCR in chordoma tissues. Our report predicts the biological functions of many lncRNAs which may be used as diagnostic and prognostic biomarkers as well as therapeutic targets during the process of dural penetration in chordoma.
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Affiliation(s)
- Jiwei Bai
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China.,Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.,China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yixuan Zhai
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China.,Department of Neurosurgery, First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052, China
| | - Shuai Wang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China
| | - Mingxuan Li
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China
| | - Shuheng Zhang
- Department of Neurosurgery, Anshan Central Hospital, Anshan 114001, China
| | - Chuzhong Li
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China.,China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Songbai Gui
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.,China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Qi Li
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yazhuo Zhang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing 100070, China.,Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.,China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
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26
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Baral JEM. Präsakrale Tumoren. COLOPROCTOLOGY 2020. [DOI: 10.1007/s00053-020-00452-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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[From bench to bedside for new treatment paradigms in chordomas: An update]. Bull Cancer 2019; 107:129-135. [PMID: 31882268 DOI: 10.1016/j.bulcan.2019.10.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 10/25/2019] [Accepted: 10/30/2019] [Indexed: 11/23/2022]
Abstract
Chordomas are rare malignant tumours, which typically occur in the axial skeleton and skull base. They arise from embryonic remnants of the notochord. They constitute less than 5 % of primary bone tumours. They are characterised by their locally aggressive potential with high frequency of recurrences and a median overall survival of 6 years. The initial therapeutic strategy must be discussed in an expert centre and may involve surgery, preoperative radiotherapy, exclusive radiotherapy or therapeutic abstention. Despite this, more than 50 % of patients will be facing recurrences with few therapeutic options available at this advanced stage. This review aims to outline current treatment options available in chordomas, as well as discussing potentiality of new therapeutic approaches through their molecular characterization and the comprehension of their immunological environment.
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Hulou MM, Garcia CR, Slone SA, Dugan A, Lei F, Huang B, Pittman T, Villano JL. Comprehensive Review of Cranial Chordomas Using National Databases in the USA. Clin Oncol (R Coll Radiol) 2019; 31:e149-e159. [PMID: 31303332 PMCID: PMC11106723 DOI: 10.1016/j.clon.2019.06.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 04/01/2019] [Accepted: 04/15/2019] [Indexed: 02/08/2023]
Abstract
AIMS The management of cranial chordomas is controversial. We provide a comprehensive review of the evolving patterns of care of cranial chordomas in the USA. MATERIALS AND METHODS We analysed the National Cancer Database (NCDB) and the Surveillance, Epidemiology, and End Results (SEER) database between 2004 and 2014 for clinical characteristics and long-term survival, and the National Surgical Quality Improvement Program (NSQIP) dataset between 2005 and 2016 for perioperative characteristics and surgical morbidity. RESULTS In total, 936 patients were identified from the NCDB, 405 patients from SEER and 64 patients from the NSQIP. Most patients were men (56.2, 54.8 and 57.8% in NCDB, SEER and NSQIP, respectively) and White (80.9 and 83.2% in NCDB and SEER, respectively). Surgery was the preferred treatment modality (87.3% in NCDB and 86.2% in SEER). Surgery was carried out alone (41.8% in NCDB and 40.7% in SEER) or in combination with radiation (42.1% in NCDB and 45.4% in SEER). Proton therapy was the most common type of radiation (32.2% in NCDB), particularly after 2011. The median operative time, median hospital length and postoperative morbidity were significantly higher in chordoma patients compared with patients who underwent other skull-base procedures. The 5-year survival rate was 79.8% in NCDB and 76.9% in SEER. There was a trend towards longer survival in patients receiving surgery and radiation, which has been increasingly used since 2004. Patients younger than 60 years had a decreased risk of mortality. CONCLUSIONS Our analysis reflects patterns of care in the USA. The use of surgery and radiation is increasing, with a trend towards longer survival. Surgery is complicated with long operative time, hospital stay and a higher rate of complications.
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Affiliation(s)
- M M Hulou
- Department of Neurosurgery, University of Kentucky, Lexington, Kentucky, USA
| | - C R Garcia
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA
| | - S A Slone
- Department of Statistics, University of Kentucky, Lexington, Kentucky, USA
| | - A Dugan
- Department of Biostatistics, College of Public Health, University of Kentucky, Lexington, Kentucky, USA
| | - F Lei
- College of Public Health, University of Kentucky, Lexington, Kentucky, USA
| | - B Huang
- Division of Cancer Biostatistics, College of Public Health, University of Kentucky, Lexington, Kentucky, USA
| | - T Pittman
- Department of Neurosurgery, University of Kentucky, Lexington, Kentucky, USA
| | - J L Villano
- Markey Cancer Center, University of Kentucky, Lexington, Kentucky, USA; Department of Medicine, University of Kentucky, Lexington, Kentucky, USA; Department of Neurology, University of Kentucky, Lexington, Kentucky, USA.
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Meng T, Jin J, Jiang C, Huang R, Yin H, Song D, Cheng L. Molecular Targeted Therapy in the Treatment of Chordoma: A Systematic Review. Front Oncol 2019; 9:30. [PMID: 30775316 PMCID: PMC6367227 DOI: 10.3389/fonc.2019.00030] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/10/2019] [Indexed: 12/21/2022] Open
Abstract
Objectives: Chordoma is a rare bone malignancy that affects the spine and skull base. Treatment dilemma leads to a high rate of local relapse and distant metastases. Molecular targeted therapy (MTT) is an option for advanced chordoma, but its therapeutic efficacy and safety have not been investigated systematically. Therefore, a systematic review was conducted on studies reporting MTT regimens for chordoma. Methods: Clinical trials, case series and case reports on chordoma MTT were identified using MEDLINE, Cochrane library and EMBASE, and systematically reviewed. Data on clinical outcomes, such as median overall survival, progression-free survival, response rate and adverse events (AEs) were extracted and analyzed. Results: Thirty-three eligible studies were selected for the systematic review, which indicated that imatinib and erlotinib were the most frequently used molecular targeted inhibitors (MTIs) for chordoma. For PDGFR-positive and/or EGFR-positive chordoma, clinical benefits were achieved with acceptable AEs. Monotherapy is preferred as the first-line of treatment, and combined drug therapy as the second-line treatment. In addition, the brachyury vaccine has shown promising results. Conclusions: The selection of MTIs for patients with advanced or relapsed chordoma should be based on gene mutation screening and immunohistochemistry (IHC). Monotherapy of TKIs is recommended as the first-line management, and combination therapy (two TKIs or TKI plus mTOR inhibitor) may be the choice for drug-resistant chordoma. Brachyury vaccine is a promising therapeutic strategy and requires more clinical trials to evaluate its safety and efficacy.
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Affiliation(s)
- Tong Meng
- Division of Spine, Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China.,Shanghai Bone Tumor Institution, Shanghai, China.,Department of Orthopedics, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jiali Jin
- Department of Central Laboratory, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Cong Jiang
- Beth Israel Deaconess Medical Center, BIDMC Cancer Center, Harvard Medical School, Cancer Research Institute, Boston, MA, United States
| | - Runzhi Huang
- Division of Spine, Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Huabin Yin
- Shanghai Bone Tumor Institution, Shanghai, China.,Department of Orthopedics, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Dianwen Song
- Shanghai Bone Tumor Institution, Shanghai, China.,Department of Orthopedics, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Liming Cheng
- Division of Spine, Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji University, Shanghai, China
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Cote GM, Barysauskas CM, DeLaney TF, Schwab J, Raskin K, Lozano-Calderon S, Bernstein K, Mullen JT, Haynes AB, Hornicek F, Chen YLE, Choy E. A Phase 1 Study of Nilotinib Plus Radiation in High-Risk Chordoma. Int J Radiat Oncol Biol Phys 2018; 102:1496-1504. [PMID: 30077789 DOI: 10.1016/j.ijrobp.2018.07.2013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/25/2018] [Accepted: 07/26/2018] [Indexed: 10/28/2022]
Abstract
PURPOSE Chordomas are malignant tumors arising from remnant notochordal tissue. Despite improved local control with preoperative/postoperative radiation therapy (RT), progression-free survival and overall survival (OS) remain poor in patients with high-risk features. Chordoma has been identified to express and activate platelet-derived growth factor receptor signaling. We conducted a phase 1 trial to identify the maximum tolerated dose (MTD), safety, and feasibility of nilotinib with RT as either preoperative or definitive treatment for patients with high-risk chordoma. METHODS AND MATERIALS We recruited 23 patients with high-risk, nonmetastatic chordoma. High risk was defined as the presence of any of the following: local recurrence after surgery, previous intralesional resection, unplanned incomplete resection, unresectable or marginally resectable disease based on locally advanced stage, or declining surgery because of excessive morbidity. Patients were treated with nilotinib and concurrent RT to 50.4 Gy relative biological effectiveness (RBE) followed by surgery and postoperative RT to a cumulative dose up to 70.2 Gy RBE or definitively up to 77.4 Gy RBE without surgery. On completion of RT, patients were eligible to continue nilotinib until disease progression. RESULTS In patients receiving nilotinib 200 mg twice daily with RT, 3 dose-limiting toxicities (DLT) occurred in 5 patients. One DLT was seen among 6 patients receiving nilotinib 200 mg daily with RT. Therefore, 200 mg daily was declared the maximum tolerated dose. Eleven additional patients received nilotinib with RT at the maximum tolerated dose, and 1 additional DLT occurred. The objective best response rate was 6% (1 of 18 patients, 95% confidence interval [CI], 0.1%-27%). The median progression-free survival was 58.15 months (95% CI, 39.10-∞). The median OS was 61.5 months (43.1-∞), and the 2-year OS rate was 95%. CONCLUSIONS Nilotinib 200 mg/d with RT is safe and tolerated in patients with high-risk chordoma. Long-term follow-up is needed to understand whether nilotinib combined with RT, with or without surgery, adds greater improvement to progression-free survival or OS than with RT with or without surgery alone in patients with high-risk chordoma.
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Affiliation(s)
- Gregory M Cote
- Division of Hematology-Oncology, Massachusetts General Hospital, Boston, Massachusetts; Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts.
| | | | - Thomas F DeLaney
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Joseph Schwab
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Orthopaedic Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Kevin Raskin
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Orthopaedic Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Santiago Lozano-Calderon
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Orthopaedic Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Karen Bernstein
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - John T Mullen
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Division of Surgical Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Alex B Haynes
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Division of Surgical Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Francis Hornicek
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Orthopaedic Surgery, University of California, Los Angeles, Los Angeles, California
| | - Yen-Lin E Chen
- Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts; Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Edwin Choy
- Division of Hematology-Oncology, Massachusetts General Hospital, Boston, Massachusetts; Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital, Boston, Massachusetts
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Tumor Reduction with Pazopanib in a Patient with Recurrent Lumbar Chordoma. Case Rep Oncol Med 2018; 2018:4290131. [PMID: 29850323 PMCID: PMC5914121 DOI: 10.1155/2018/4290131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/20/2018] [Accepted: 03/13/2018] [Indexed: 12/30/2022] Open
Abstract
Introduction Chordomas are rare malignancies of bone origin that occur in the axial skeleton, typically the skull base and lumbar/sacral regions. Although often classified as low-grade neoplasms, its locally infiltrative behavior may result in significant morbidity and mortality. Optimal surgical resection may be curative, but up to 50% of the cases relapse within 5 years, and currently there are no systemic treatments approved in this setting. A large proportion of these tumors express stem-cell factor receptor (c-KIT) and platelet-derived growth factor receptors (PDGFRs), providing a rationale for the use of tyrosine-kinase inhibitors (TKIs). Case report A 27-year-old male presented with recurrent chordoma of the lumbar spine 4 years after initial diagnosis. Salvage therapies in the interval included repeat resections and radiation therapy. He ultimately developed multifocal recurrence not amenable to complete excision or reirradiation. A comprehensive genomic profiling assay was performed and revealed nondrugable alterations. Decision was made to proceed with systemic treatment with pazopanib 800 mg/day, resulting in tumor reduction (-23.1% reduction in size) and prolonged disease control. Conclusion For this patient with a multiple recurrent chordoma and limited treatment options, pazopanib resulted in sustained clinical benefit following initial tumor reduction.
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Jullien-Petrelli AC, García-Sabrido JL, Orue-Echebarria MI, Lozano P, Álvarez A, Serrano J, Calvo FM, Calvo-Haro JA, Lasso JM, Asencio JM. Role of intraoperative radiotherapy in the treatment of sacral chordoma. Spine J 2018; 18:632-638. [PMID: 28882523 DOI: 10.1016/j.spinee.2017.08.255] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 07/29/2017] [Accepted: 08/29/2017] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Sacral chordoma is a rare entity with high local recurrence rates when complete resection is not achieved. To date, there are no series available in literature combining surgery and intraoperative radiotherapy (IORT). PURPOSE The objective of this study was to report the experience of our center in the management of sacral chordoma combining radical resection with both external radiotherapy and IORT. STUDY DESIGN This is a retrospective case series. PATIENT SAMPLE The patient sample included 15 patients with sacral chordoma resected in our center from 1998 to 2015. OUTCOME MEASURES The outcome measures were overall survival (OS), disease-free survival (DFS), and rates of local and distant recurrences. METHODS We retrospectively reviewed the records of all the patients with sacral chordoma resected in our center from 1998 to December 2015. Overall survival, DFS, and rates of local and distant recurrences were calculated. Results between patients treated with or without IORT were compared. RESULTS A total of 15 patients were identified: 8 men and 7 women. The median age was 59 years (range 28-77). Intraoperative radiotherapy was applied in nine patients and six were treated with surgical resection without IORT. In 13 patients, we performed the treatment of the primary tumor, and in two patients, we performed the treatment of recurrence disease. A posterior approach was used in four patients. Wide surgical margins (zero residue) were achieved in six patients, marginal margins (microscopic residue) were achieved in seven patients, and there were no patients with intralesional (R2) margins. At a median follow-up of 38 months (range 11-209 months), the 5-year OS in the IORT group was 100% versus 53% in the group of non-IORT (p=.05). The median DFS in the IORT group was 85 months, and that in the non-IORT group was 41 months. In the group without IORT, two patients died and nobody died during the follow-up in the group treated with IORT. High-sacrectomy treated patients had a median survival of 41 months, and low-sacrectomy treated patients had a median survival of 90 months. Disease-free survival in patients without gluteal involvement was 100% at 5 years, and that in patients with gluteal involvement was 40%. All patients with a recurrence in our study had gluteal involvement. CONCLUSIONS Multidisciplinary management of sacral chordoma seems to improve local control. The use of IORT, in our experience, is associated with an increase in OS and DFS. The level of resection and gluteal involvement seems to affect survival. The posterior approach is useful in selected cases. Multicenter studies should be performed to confirm the utility of IORT.
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Affiliation(s)
- Ariel Christian Jullien-Petrelli
- Servicio de Cirugía General y del Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - J L García-Sabrido
- Servicio de Cirugía General y del Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - M I Orue-Echebarria
- Servicio de Cirugía General y del Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - P Lozano
- Servicio de Cirugía General y del Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - A Álvarez
- Servicio de Radioterapia, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - J Serrano
- Servicio de Radioterapia, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - F M Calvo
- Servicio de Radioterapia, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - J A Calvo-Haro
- Servicio de Traumatología, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - J M Lasso
- Servicio de Cirugía Plástica, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain
| | - J M Asencio
- Servicio de Cirugía General y del Aparato Digestivo, Hospital General Universitario Gregorio Marañón, Calle Doctor Esquerdo 46, Madrid 28007, Spain.
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Magnaghi P, Salom B, Cozzi L, Amboldi N, Ballinari D, Tamborini E, Gasparri F, Montagnoli A, Raddrizzani L, Somaschini A, Bosotti R, Orrenius C, Bozzi F, Pilotti S, Galvani A, Sommer J, Stacchiotti S, Isacchi A. Afatinib Is a New Therapeutic Approach in Chordoma with a Unique Ability to Target EGFR and Brachyury. Mol Cancer Ther 2017; 17:603-613. [DOI: 10.1158/1535-7163.mct-17-0324] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 08/31/2017] [Accepted: 11/30/2017] [Indexed: 11/16/2022]
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Jäger D, Lechel A, Tharehalli U, Seeling C, Möller P, Barth TFE, Mellert K. U-CH17P, -M and -S, a new cell culture system for tumor diversity and progression in chordoma. Int J Cancer 2017; 142:1369-1378. [PMID: 29148152 DOI: 10.1002/ijc.31161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 10/10/2017] [Accepted: 11/06/2017] [Indexed: 01/29/2023]
Abstract
Chordoma is a rare bone tumor with a known intrinsic heterogeneity. Here, we address this tumor heterogeneity in a new cell culture model for tumor diversity and progression in chordoma. The three cell lines U-CH17P, U-CH17M, and U-CH17S were established from a primary sacral chordoma and its derived metastases, a soft tissue and a skin metastasis, respectively. The lesions had divergent differentiation patterns which are conserved in the derived cell lines making them a suitable in vitro model for the analysis of tumorigenesis in chordoma. A common feature of the three cell lines is the expression of typical chordoma markers, such as Brachyury, vimentin, cytokeratins, EMA and S100 protein. A comparison of the genomic aberrations by array comparative genomic hybridization of the cell lines and the corresponding parental tumor tissues revealed that the precursor cells of U-CH17P, U-CH17M and U-CH17S were already present in the primary tumor. Therefore, we show that clonal diversity of this chordoma exists in the primary tumor and that not all of these subclones tend to metastasize. All cell lines had a CDKN2A loss. A comparison of the gene expression profiles of the cell lines revealed significant differences in the expression of several genes like MAGEC2 and SEMA6A known to be associated with the tendency to metastasize or proliferation and migration. Since the underlying mechanisms of tumor progression in chordoma are still largely unclear, the three U-CH17 cell lines are a suitable in vitro model for elucidating chordoma oncobiology.
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Affiliation(s)
- D Jäger
- Institute of Pathology, University of Ulm, Ulm, Germany
| | - A Lechel
- Department of Internal Medicine I, University of Ulm, Ulm, Germany
| | - U Tharehalli
- Department of Internal Medicine I, University of Ulm, Ulm, Germany
| | - C Seeling
- Institute of Pathology, University of Ulm, Ulm, Germany
| | - P Möller
- Institute of Pathology, University of Ulm, Ulm, Germany
| | - T F E Barth
- Institute of Pathology, University of Ulm, Ulm, Germany
| | - K Mellert
- Institute of Pathology, University of Ulm, Ulm, Germany
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Khawaja AM, Venkatraman A, Mirza M. Clival Chordoma: Case Report and Review of Recent Developments in Surgical and Adjuvant Treatments. Pol J Radiol 2017; 82:670-675. [PMID: 29662593 PMCID: PMC5894024 DOI: 10.12659/pjr.902008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 02/23/2017] [Indexed: 12/31/2022] Open
Abstract
Chordomas are rare tumors that can develop anywhere along the craniospinal axis. These tumors present challenges with respect to diagnosis and treatment due to a high rate of recurrence, even after multiple surgeries, and the propensity to involve any region within the craniospinal axis. New developments in radiation therapy have improved recurrence-free survival in patients with chordomas. Different regimens of chemotherapy and molecularly-targeted therapies, as adjuvants to surgery, have been described in individual case reports and case series. The purpose of this paper is to describe a case of clival chordoma and review recent developments in diagnostic and therapeutic options. A 77-year-old female was referred because of diplopia and progressively worsening headaches. Head imaging revealed a large expansile and erosive mass in the skull base. The patient underwent a successful endoscopic endonasal trans-sphenoidal resection of the mass, with biopsy confirming the diagnosis of chordoma. Postoperatively, the patient experienced an improvement in neurological symptoms. Chordomas can present a diagnostic challenge due to the rare occurrence and a tendency to involve any region within the craniospinal axis.
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Affiliation(s)
- Ayaz M Khawaja
- Department of Neurology, Massachusetts General Hospital, Boston, MA, U.S.A
| | - Anand Venkatraman
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - Maira Mirza
- Department of Internal Medicine, Sinai-Grace Hospital/Detroit Medical Center, Detroit, MI, U.S.A
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Multicentric Chordoma : An Uncommon and Incompletely Understood Presentation. Clin Neuroradiol 2017; 28:283-288. [PMID: 28766007 DOI: 10.1007/s00062-017-0610-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 07/12/2017] [Indexed: 10/19/2022]
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Colia V, Stacchiotti S. Medical treatment of advanced chordomas. Eur J Cancer 2017; 83:220-228. [PMID: 28750274 DOI: 10.1016/j.ejca.2017.06.038] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 06/23/2017] [Accepted: 06/28/2017] [Indexed: 12/27/2022]
Abstract
Chordoma is a very rare bone sarcoma that can arise from any site along the spine and from the skull base. En bloc resection is the gold standard for treatment while radiation therapy has been shown to provide both curative and palliative benefit. Unfortunately, local recurrences are common, even after a complete surgical resection, and up to 40% of patients suffer from distant metastases, while salvage treatments are challenging. Patients carrying an advanced disease need a systemic treatment. Unluckily, conventional chordoma are insensitive to cytotoxic chemotherapy that is considered the standard treatment option in patients with metastatic sarcoma. In the last decade, innovative therapies have been introduced, positively impacting disease control and patients' quality of life. In addition, a better understanding of the molecular characteristics of chordoma allowed to detect new potential targets. This review is focused on the pharmacological management of patients affected by an advanced disease, starting with a summary of data available on conventional chemotherapy, then moving to a deeper analysis of available data on molecular agents and immunotherapy, and finally providing an update on ongoing clinical trials and future prospective.
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Affiliation(s)
- Vittoria Colia
- Adult Mesenchymal Tumour and Rare Cancer Medical Oncology Unit, Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale Tumori, 20133 Milan, Italy.
| | - Silvia Stacchiotti
- Adult Mesenchymal Tumour and Rare Cancer Medical Oncology Unit, Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale Tumori, 20133 Milan, Italy.
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Yamaguchi T, Imada H, Iida S, Szuhai K. Notochordal Tumors: An Update on Molecular Pathology with Therapeutic Implications. Surg Pathol Clin 2017; 10:637-656. [PMID: 28797506 DOI: 10.1016/j.path.2017.04.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Recent molecular investigations of chordoma show common expression of various receptor tyrosine kinases and activation of downstream signaling pathways contributing to tumor growth and progression. The transcription factor brachyury (also known as T) is important in notochord differentiation, and germline duplication of the gene is often found in familial chordomas. Nuclear expression of brachyury is consistent in chordoma and in benign notochordal cell tumor. Based on the molecular evidence, targeting of several kinds of molecular agents has been attempted for the treatment of uncontrolled chordomas and achieved partial response or stable condition in many cases.
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Affiliation(s)
- Takehiko Yamaguchi
- Department of Pathology, Koshigaya Hospital, Dokkyo Medical University, 2-1-50 Minami-Koshigaya, Koshigaya, Saitama 343-8555, Japan.
| | - Hiroki Imada
- Department of Pathology, Koshigaya Hospital, Dokkyo Medical University, 2-1-50 Minami-Koshigaya, Koshigaya, Saitama 343-8555, Japan
| | - Shun Iida
- Department of Pathology, Koshigaya Hospital, Dokkyo Medical University, 2-1-50 Minami-Koshigaya, Koshigaya, Saitama 343-8555, Japan
| | - Karoly Szuhai
- Department of Molecular Cell Biology, Leiden University Medical Center, PO Box: 9600, Post Zone: R-01-P, Leiden 2300 RC, The Netherlands
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Jäger D, Barth TFE, Brüderlein S, Scheuerle A, Rinner B, von Witzleben A, Lechel A, Meyer P, Mayer-Steinacker R, Baer AV, Schultheiss M, Wirtz CR, Möller P, Mellert K. HOXA7, HOXA9, and HOXA10 are differentially expressed in clival and sacral chordomas. Sci Rep 2017; 7:2032. [PMID: 28515451 PMCID: PMC5435709 DOI: 10.1038/s41598-017-02174-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 04/10/2017] [Indexed: 12/20/2022] Open
Abstract
Chordomas are rare tumours of the bone arising along the spine from clivus to sacrum. We compared three chordoma cell lines of the clivus region including the newly established clivus chordoma cell line, U-CH14, with nine chordoma cell lines originating from sacral primaries by morphology, on genomic and expression levels and with patient samples from our chordoma tissue bank. Clinically, chordomas of the clivus were generally smaller in size at presentation and patients with sacral chordomas had more metastases and more often recurrent disease. All chordoma cell lines had a typical physaliphorous morphology and expressed brachyury, S100-protein and cytokeratin. By expression analyses we detected differentially expressed genes in the clivus derived cell lines as compared to the sacral cell lines. Among these were HOXA7, HOXA9, and HOXA10 known to be important for the development of the anterior-posterior body axis. These results were confirmed by qPCR. Immunohistologically, clivus chordomas had no or very low levels of HOXA10 protein while sacral chordomas showed a strong nuclear positivity in all samples analysed. This differential expression of HOX genes in chordomas of the clivus and sacrum suggests an oncofetal mechanism in gene regulation linked to the anatomic site.
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Affiliation(s)
- Daniela Jäger
- Institute of Pathology, University of Ulm, Ulm, Germany
| | | | | | | | - Beate Rinner
- Division of Biomedical Research, Medical University of Graz, Graz, Austria
| | | | - André Lechel
- Department of Internal Medicine I, University of Ulm, Ulm, Germany
| | - Patrick Meyer
- Department of Dermatology, University of Ulm, Ulm, Germany
| | | | | | | | | | - Peter Möller
- Institute of Pathology, University of Ulm, Ulm, Germany.
| | - Kevin Mellert
- Institute of Pathology, University of Ulm, Ulm, Germany
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Rutkowski MJ, Birk HS, Wood MD, Perry A, Nicolaides T, Ames CP, Gupta N. Metastatic clival chordoma: a case report of multiple extraneural metastases following resection and proton beam radiotherapy in a 5-year old boy. J Neurosurg Pediatr 2017; 19:531-537. [PMID: 28304223 DOI: 10.3171/2017.1.peds16549] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The authors report the case of a 5-year-old boy in whom extraneural metastases developed 5 years after he underwent an occipitocervical fusion and transoral approach to treat a clival chordoma without local recurrence. Following primary resection, the patient's postoperative course was complicated by recurrent meningitis secondary to CSF leak, which responded to antibiotics, and communicating hydrocephalus, for which a ventriculoperitoneal shunt was placed. The patient then underwent postoperative proton beam radiotherapy. Five years following his initial presentation, surveillance imaging revealed a new asymptomatic lung mass for which the patient underwent thoracotomy and resection of the mass. Histological examination of the lung mass revealed findings consistent with a de-differentiated chordoma, confirming extraneural metastasis from the original tumor without evidence of local recurrence. Chest wall and scalp metastases subsequently developed, and the patient was started on an adjuvant chemotherapy regimen that included imatinib and rapamycin followed by subsequent nivolumab and an EZH2 inhibitor for recurrent, disseminated disease. Despite this patient's remote and distant metastases, primary gross-total resection for chordoma remains a critical treatment objective, followed by proton beam radiotherapy. This case illustrates the importance of interval posttreatment imaging and the emerging potential to treat chordoma with molecularly targeted therapies.
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Affiliation(s)
| | | | | | | | - Theodore Nicolaides
- Departments of 1 Neurological Surgery.,Pediatrics, University of California, San Francisco, California
| | | | - Nalin Gupta
- Departments of 1 Neurological Surgery.,Pediatrics, University of California, San Francisco, California
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On a Rare Cutaneous Metastasis from a Sacrococcygeal Chordoma. Case Rep Pathol 2017; 2017:5281239. [PMID: 28409046 PMCID: PMC5376422 DOI: 10.1155/2017/5281239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Accepted: 02/20/2017] [Indexed: 11/18/2022] Open
Abstract
Chordomas are rare malignant tumors of notochordal origin and are rare locally aggressive ones with a metastatic potential. The skin rarely is seen as metastatic site. We describe a case of an adult woman with cutaneous metastasis of a primary sacral chordoma excised ten years before, which appeared as a painless cutaneous mass located in the dorsal region. Once removed, the surgical specimen was formalin fixed and in paraffin embedded. Sections were stained with haematoxylin-eosin, and histochemical and immunohistochemical investigations were performed. Histologically, the neoplasia was characterized by cords or single tumor cells with an abundant myxoid stroma, conspicuous pale vacuolated cytoplasm (the classic “physaliphorous cells”), and mild nuclear atypia. Mitotic activity was scanty. At immunohistochemistry, the tumor cells were diffusely positive for S-100 protein, pan-keratins, EMA, and vimentin. A diagnosis of cutaneous metastasis of chordoma was performed. This case illustrates a diagnostic challenge because of the unusual presentation of an already rare tumor.
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Abstract
Chordomas are rare primary bone tumors arising from embryonic remnants of the notochord. They are slow-growing, locally aggressive, and destructive and typically involve the axial skeleton. Genetic studies have identified several mutations implicated in the pathogenesis of these tumors. Treatment poses a challenge given their insidious progression, degree of local invasion at presentation, and high recurrence rate. They tend to respond poorly to conventional chemotherapy and radiation. This makes radical resection the mainstay of their treatment. Recent advances in targeted chemotherapy and focused particle beam radiation, however, have improved the management and prognosis of these tumors.
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Affiliation(s)
- Carl Youssef
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, 75390, USA
| | - Salah G Aoun
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, 75390, USA
| | - Jessica R Moreno
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, 75390, USA
| | - Carlos A Bagley
- Department of Neurosurgery, University of Texas Southwestern Medical Center, Dallas, Texas, 75390, USA
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Pu F, Wang B, Liu J, Chen F, Shao Z. Giant chordoma in the thoracolumbar spine: a case report and literature review. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2016; 26:95-99. [PMID: 27900552 DOI: 10.1007/s00586-016-4877-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 10/04/2016] [Accepted: 11/11/2016] [Indexed: 11/30/2022]
Abstract
STUDY DESIGN Case report. PURPOSE We present a rare case of a giant chordoma in the thoracolumbar spine and review the current literature. We describe its complicated clinical progression, hoping to shed light on the clinical management of this complex tumor. METHODS We present a previously healthy 41-year-old man who experienced progressive low back pain at T10-L2 for the past 2 years. A giant tumor was detected on magnetic resonance imaging, and aspiration biopsy was used to obtain a definite pathological diagnosis. The postoperative pathology confirmed that it was a chordoma. He underwent complete resection of the tumor and internal fixation of the vertebral bodies, which is a good way to control recurrence and preserve stability. RESULTS Histopathology confirmed the tumor was a chordoma via immunohistochemical study of both the biopsy sample and the surgically resected tissues. There has been no recurrence or metastasis at the 30-month postsurgery radiographic examination. The internal fixation has remained stable. CONCLUSION Primary chordoma in the thoracolumbar spine is extremely rare. The treatment is difficult because the current literature is sparse and patients are rare. Complete resection and internal fixation are effective for reducing recurrences and metastasis.
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Affiliation(s)
- Feifei Pu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, People's Republic of China
| | - Baichuan Wang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, People's Republic of China
| | - Jianxiang Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, People's Republic of China
| | - Fengxia Chen
- Department of Medical Oncology, General Hospital of The Yangtze River Shipping, Wuhan, Hubei, 430000, People's Republic of China
| | - Zengwu Shao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, People's Republic of China.
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Differences in Dural Penetration of Clival Chordomas Are Associated with Different Prognosis and Expression of Platelet-Derived Growth Factor Receptor-β. World Neurosurg 2016; 98:288-295. [PMID: 27506406 DOI: 10.1016/j.wneu.2016.07.096] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 07/24/2016] [Accepted: 07/27/2016] [Indexed: 11/23/2022]
Abstract
OBJECTIVE We sought to compare the prognosis of clival chordomas with different dural penetration and establish the relationship between dural penetration and platelet-derived growth factor receptor (PDGFR)-β signaling pathway. METHODS Tumors in Type I (33 cases) showed limited dural penetration, while those in Type II (34 cases) had more serious dural penetration. Cox multivariate regression analysis was used to analyze risk factors affecting survival. Kaplan-Meier analysis measured overall survival (OS) and progression-free survival (PFS). To determine the relationship between dural penetration and PDGFR-β signaling, expression of PDGFR-β, Akt, mammalian target of rapamycin (mTOR), and phosphatase and tensin homolog (PTEN) expression was compared using immunohistochemistry, quantitative reverse transcription polymerase chain reaction, and Western blotting. RESULTS Total resection was achieved in 9 cases in Type I and 11 in Type II. There were significant correlations between OS and dural penetration (P = 0.032) and age (P = 0.034). PFS correlated significantly with dural penetration (P = 0.022), gender (P = 0.001), and degree of resection (P = 0.001). Mean OS in Type I was significantly longer than in Type II (P = 0.046). Patients aged <55 years had longer OS than those aged ≥55 years (P = 0.004). Total resection was correlated with longer PFS (P = 0.011). Among patients with tumors totally resected, mean PFS in Type I was significantly longer than in Type II (P = 0.007). Expression of PDGFR-β in Type II was higher than in Type I. CONCLUSIONS Clival chordomas have different degrees of dural penetration. Patients with chordomas with serious dural penetration have poorer prognosis. Higher expression of PDGFR-β is related to more serious dural penetration of clival chordomas.
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Sacral Chordoma: Long-term Outcome of a Large Series of Patients Surgically Treated at Two Reference Centers. Spine (Phila Pa 1976) 2016; 41:1049-1057. [PMID: 27054448 DOI: 10.1097/brs.0000000000001604] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective case series. OBJECTIVE To report on the natural history and long-term outcome of a large series of consecutive primary sacral chordoma patients surgically treated at two reference centers. SUMMARY OF BACKGROUND DATA Sacral chordomas are rare tumors with poor long-term prognosis mainly caused by local failure. Till date, a few large series with long follow up are available in literature. METHODS All consecutive patients affected by primary localized sacral chordoma operated on at two Italian reference centers between 1981 and 2012 were included. Overall survival (OS), disease free survival (DFS), crude cumulative incidence (CCI) of local recurrence (LR), and distant metastases (DM) were calculated. Multivariable analyses for OS, DFS, LR, and DM were performed. RESULTS A total of 99 patients were identified: 65 males and 34 females. Median age was 59 years (range 22-77 yrs), median tumor size was 9 cm (range 4-22). Nineteen patients received pre- or postoperative radiotherapy (RT). Wide (R0) surgical margins were achieved in 46 patients, marginal (R1) margins in 43 patients and intralesional (R2) margins in 10 patients. At a median follow up of 8.7 years (range 1-23.8 yrs) 30 patients died of disease, 31 patients developed local relapse, 16 patients developed distant metastasis, whereas 51 patients are alive without disease. OS and DFS at 5, 10, and 15 year were 92% and 63%, 45% and 62%, 36% and 21%, respectively, without any evidence of a plateau in the curves.CCI of LR and DM were 30% and 9% at 5 years, 46% and 18% at 10 years, 56% and 23% at 15 years. Size of the tumor and quality of surgical margins were the only significant predictors of long-term outcome. DFS for 15 years was, in fact, 49% for R0 and 7% for R1, respectively. CONCLUSION In this series, long-term outcome of resected sacral chordoma was poor, with less than 25% patients were disease-free at 15 years. Interestingly, only half of the patients treated with R0 resection had no evidence of recurrence at 15 years. When surgical margins are expected to be positive other treatment modalities should be considered, especially when expected sequelae are substantial as in the case of more cephalad levels of resection. LEVEL OF EVIDENCE 3.
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Wang AC, Owen JH, Abuzeid WM, Hervey-Jumper SL, He X, Gurrea M, Lin M, Altshuler DB, Keep RF, Prince ME, Carey TE, Fan X, McKean EL, Sullivan SE. STAT3 Inhibition as a Therapeutic Strategy for Chordoma. J Neurol Surg B Skull Base 2016; 77:510-520. [PMID: 27857879 DOI: 10.1055/s-0036-1584198] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 04/17/2016] [Indexed: 12/24/2022] Open
Abstract
Objective Signal transducer and activator of transcription (STAT) proteins regulate key cellular fate decisions including proliferation and apoptosis. STAT3 overexpression induces tumor growth in multiple neoplasms. STAT3 is constitutively activated in chordoma, a tumor with a high recurrence rate despite maximal surgical and radiation treatment. We hypothesized that a novel small molecule inhibitor of STAT3 (FLLL32) would induce significant cytotoxicity in sacral and clival chordoma cells. Methods Sacral (UCh1) and clival (UM-CHOR-1) chordoma cell lines were grown in culture (the latter derived from primary tumor explants). FLLL32 dosing parameters were optimized using cell viability assays. Antitumor potential of FLLL32 was assessed using clonal proliferation assays. Potential mechanisms underlying observed cytotoxicity were examined using immunofluorescence assays. Results FLLL32 induced significant cytotoxicity in UCh1 and UM-CHOR-1 chordoma cells, essentially eliminating all viable cells, correlating with observed downregulation in activated, phosphorylated STAT3 upon administration of FLLL32. Mechanisms underlying the observed cytotoxicity included increased apoptosis and reduced cellular proliferation through inhibition of mitosis. Conclusion As a monotherapy, FLLL32 induces potent tumor kill in vitro in chordoma cell lines derived from skull base and sacrum. This effect is mediated through inhibition of STAT3 phosphorylation, increased susceptibility to apoptosis, and suppression of cell proliferation.
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Affiliation(s)
- Anthony C Wang
- Department of Neurological Surgery, University of Washington School of Medicine, Seattle, Washington, United States
| | - John H Owen
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Waleed M Abuzeid
- Department of Otorhinolaryngology-Head and Neck Surgery, Albert Einstein College of Medicine, Bronx, New York, United States
| | - Shawn L Hervey-Jumper
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Xiaobing He
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Mikel Gurrea
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Meijuan Lin
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - David B Altshuler
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Richard F Keep
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Mark E Prince
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Thomas E Carey
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Xing Fan
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States; Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, Michigan, United States
| | - Erin L McKean
- Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, United States
| | - Stephen E Sullivan
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, United States
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Aleksic T, Browning L, Woodward M, Phillips R, Page S, Henderson S, Athanasou N, Ansorge O, Whitwell D, Pratap S, Hassan AB, Middleton MR, Macaulay VM. Durable Response of Spinal Chordoma to Combined Inhibition of IGF-1R and EGFR. Front Oncol 2016; 6:98. [PMID: 27200287 PMCID: PMC4852191 DOI: 10.3389/fonc.2016.00098] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 04/07/2016] [Indexed: 12/14/2022] Open
Abstract
Chordomas are rare primary malignant bone tumors arising from embryonal notochord remnants of the axial skeleton. Chordomas commonly recur following surgery and radiotherapy, and there is no effective systemic therapy. Previous studies implicated receptor tyrosine kinases, including epidermal growth factor receptor (EGFR) and type 1 insulin-like growth factor receptor (IGF-1R), in chordoma biology. We report an adult female patient who presented in 2003 with spinal chordoma, treated with surgery and radiotherapy. She underwent further surgery for recurrent chordoma in 2008, with subsequent progression in pelvic deposits. In June 2009, she was recruited onto the Phase I OSI-906-103 trial of EGFR inhibitor erlotinib with linsitinib, a novel inhibitor of IGF-1R/insulin receptor (INSR). Treatment with 100 mg QD erlotinib and 50 mg QD linsitinib was well-tolerated, and after 18 months a partial response was achieved by RECIST criteria. From 43 months, a protocol modification allowed intra-patient linsitinib dose escalation to 50 mg BID. The patient remained stable on trial treatment for a total of 5 years, discontinuing treatment in August 2014. She subsequently experienced further disease progression for which she underwent pelvic surgery in April 2015. Analysis of DNA extracted from 2008 (pre-trial) tissue showed that the tumor harbored wild-type EGFR, and a PIK3CA mutation was detected in plasma, but not tumor DNA. The 2015 (post-trial) tumor harbored a mutation of uncertain significance in ATM, with no detectable mutations in other components of a 50 gene panel, including EGFR, PIK3CA, and TP53. By immunohistochemistry, the tumor was positive for brachyury, the molecular hallmark of chordoma, and showed weak–moderate membrane and cytoplasmic EGFR. IGF-1R was detected in the plasma membrane and cytoplasm and was expressed more strongly in recurrent tumor than the primary. We also noted heterogeneous nuclear IGF-1R, which has been linked with sensitivity to IGF-1R inhibition. Similar variation in IGF-1R expression and subcellular localization was noted in 15 further cases of chordoma. In summary, this exceptionally durable response suggests that there may be merit in evaluating combined IGF-1R/INSR and EGFR inhibition in patients with chordomas that recur following failure of local treatment.
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Affiliation(s)
- Tamara Aleksic
- Department of Oncology, Old Road Campus Research Building , Oxford , UK
| | - Lisa Browning
- Department of Cellular Pathology, NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Martha Woodward
- Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Rachel Phillips
- Department of Radiology, Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Suzanne Page
- BRC Oxford Molecular Diagnostic Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Shirley Henderson
- BRC Oxford Molecular Diagnostic Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Nicholas Athanasou
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, Nuffield Orthopaedic Centre , Oxford , UK
| | - Olaf Ansorge
- Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital , Oxford , UK
| | - Duncan Whitwell
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, Nuffield Orthopaedic Centre , Oxford , UK
| | - Sarah Pratap
- Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - A Bassim Hassan
- Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Mark R Middleton
- Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust , Oxford , UK
| | - Valentine M Macaulay
- Department of Oncology, Old Road Campus Research Building, Oxford, UK; Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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Aghighi M, Boe J, Rosenberg J, Von Eyben R, Gawande RS, Petit P, Sethi TK, Sharib J, Marina NM, DuBois SG, Daldrup-Link HE. Three-dimensional Radiologic Assessment of Chemotherapy Response in Ewing Sarcoma Can Be Used to Predict Clinical Outcome. Radiology 2016; 280:905-15. [PMID: 26982677 DOI: 10.1148/radiol.2016151301] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Purpose To compare the agreement of three-dimensional (3D) tumor measurements for therapeutic response assessment of Ewing sarcoma according to the Children's Oncology Group (COG) criteria, one-dimensional (1D) Response Evaluation Criteria in Solid Tumors (RECIST), and two-dimensional (2D) measurements defined by the World Health Organization (WHO) with tumor volume measurements as the standard of reference and to determine which method correlates best with clinical outcomes. Materials and Methods This retrospective study was approved by the institutional review board of three institutions. Seventy-four patients (mean age ± standard deviation, 14.5 years ± 6.5) with newly diagnosed Ewing sarcoma treated at three medical centers were evaluated. Primary tumor size was assessed on pre- and posttreatment magnetic resonance images according to 1D RECIST, 2D WHO, and 3D COG measurements. Tumor responses were compared with the standard of reference (tumor volume) on the basis of RECIST, COG, and WHO therapeutic response thresholds. Agreement between the percentage reduction measurements of the methods was assessed with concordance correlation, Bland-Altman analysis, and Spearman rank correlation. Agreement between therapeutic responses was assessed with Kendall tau and unweighted κ statistics. Tumor responses were compared with patient survival by using the log-rank test, Kaplan-Meier plots, and Cox regression. Results Agreement with the reference standard was significantly better for 3D measurement than for 1D and 2D measurements on the basis of RECIST and COG therapeutic response thresholds (concordance correlation of 0.41, 0.72, and 0.84 for 1D, 2D, and 3D measurements, respectively; P < .0001). Comparison of overall survival of responders and nonresponders demonstrated P values of .4133, .0112, .0032, and .0027 for 1D, 2D, 3D, and volume measurements, respectively, indicating that higher dimensional measurements were significantly better predictors of overall survival. Conclusion The 3D tumor measurements according to COG are better predictors of therapeutic response of Ewing sarcoma than 1D RECIST or 2D WHO measurements and show a significantly higher correlation with clinical outcomes. (©) RSNA, 2016 Online supplemental material is available for this article.
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Affiliation(s)
- Maryam Aghighi
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Justin Boe
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Jarrett Rosenberg
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Rie Von Eyben
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Rakhee S Gawande
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Philippe Petit
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Tarsheen K Sethi
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Jeremy Sharib
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Neyssa M Marina
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Steven G DuBois
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
| | - Heike E Daldrup-Link
- From the Department of Radiology, Section of Pediatric Radiology (M.A., J.B., J.R., R.S.G., T.K.S., H.E.D.L.), and Department of Pediatric Hematology/Oncology (N.M.M.), Lucile Packard Children's Hospital, Stanford University, 725 Welch Rd, Stanford, CA 94305-5654; Department of Radiation and Oncology, Stanford University, Stanford, Calif (R.V.E.); Department of Pediatric and Prenatal Imaging, Hôpital de la Timone, Marseille, France (P.P.); Department of Pediatrics, University of California-San Francisco School of Medicine, San Francisco, Calif (J.S., S.G.D.); and UCSF Benioff Children's Hospital, San Francisco, Calif (J.S., S.G.D.)
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