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Chaskis E, Silvestri M, Aghakhani N, Parker F, Knafo S. Management and Outcome of Recurring Low-Grade Intramedullary Astrocytomas. Cancers (Basel) 2024; 16:2417. [PMID: 39001480 PMCID: PMC11240503 DOI: 10.3390/cancers16132417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/05/2024] [Accepted: 06/22/2024] [Indexed: 07/16/2024] Open
Abstract
Intramedullary astrocytomas (IMAs) are the second most frequent intramedullary tumors in adults. Low-grade IMAs (LG-IMA, WHO grade I and II) carry a better prognosis than high-grade IMAs (HG-IMAs). However, adjuvant treatment of LG-IMAs by radiotherapy (RT) and/or chemotherapy (CT) as well as treatment of tumor recurrences remains controversial. The aim of our study was to evaluate the postoperative outcome of LG-IMAs and the management of recurring tumors. We retrospectively reviewed a series of patients operated on for IMA from 1980 to 2022 in a single neurosurgical department. We retrieved 40 patients who received surgery for intramedullary astrocytomas, including 30 LG-IMAs (22 WHO grade I; 5 WHO grade II; 3 "low-grade") and 10 HG-IMAs (4 WHO grade III; 5 WHO grade IV; 1 "high-grade"). Of the patients with LG-IMAs, the extent of surgical resection was large (gross or subtotal resection >90%) in 30% of cases. Immediate postoperative radiotherapy and/or chemotherapy was proposed only to patients who underwent biopsy (n = 5), while others were initially followed-up. Over a median follow-up of 59 months (range = 13-376), 16 LG-IMA (53.3%) recurred with a mean delay of 28.5 months after surgery (range = 3-288). These included seven biopsies, five partial resections (PR), four subtotal resections (STR) but no gross total resections (GTR). Progression-free survival for LG-IMAs was 51.9% at 3 years and 35.6% at 5 and 10 years; overall survival was 96.3% at 3 years; 90.9% at 5 years and 81.9% at 10 years. There were no significant differences in terms of OS and PFS between WHO grade I and grade II tumors. However, "large resections" (GTR or STR), as opposed to "limited resections" (PR and biopsies), were associated with both better OS (p = 0.14) and PFS (p = 0.04). The treatment of recurrences consisted of surgery alone (n = 3), surgery with RT and/or CT (n = 2), RT with CT (n = 3), RT alone (n = 2) or CT alone (n = 2). In conclusion, although LG-IMAs are infiltrating tumors, the extent of resection (GTR or STR), but not WHO grading, is the main prognostic factor. The management of recurring tumors is highly variable with no conclusive evidence for either option.
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Affiliation(s)
- Elly Chaskis
- Department of Neurosurgery, Bicêtre Hospital, AP-HP, 94270 Le Kremlin-Bicêtre, France
| | - Martina Silvestri
- Department of Neurosurgery, Bicêtre Hospital, AP-HP, 94270 Le Kremlin-Bicêtre, France
- Faculty of Medicine, University Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
| | - Nozar Aghakhani
- Department of Neurosurgery, Bicêtre Hospital, AP-HP, 94270 Le Kremlin-Bicêtre, France
- Faculty of Medicine, University Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
| | - Fabrice Parker
- Department of Neurosurgery, Bicêtre Hospital, AP-HP, 94270 Le Kremlin-Bicêtre, France
- Faculty of Medicine, University Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
| | - Steven Knafo
- Department of Neurosurgery, Bicêtre Hospital, AP-HP, 94270 Le Kremlin-Bicêtre, France
- Faculty of Medicine, University Paris-Saclay, 94270 Le Kremlin-Bicêtre, France
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2
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Wu L, Wang L, Zou W, Yang J, Jia W, Xu Y. Primary spinal anaplastic ependymoma: A single-institute retrospective cohort and systematic review. Front Oncol 2023; 13:1083085. [PMID: 36824145 PMCID: PMC9941548 DOI: 10.3389/fonc.2023.1083085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/25/2023] [Indexed: 02/10/2023] Open
Abstract
Objective Primary spinal anaplastic ependymoma (PSAE) is an extremely rare disease. We aim to report the largest PSAE cohort, evaluate the treatments, and investigate the prognostic factors for progression-free survival (PFS). Methods Clinical data collected from the authors' institute and literature articles were pooled and described. Survival analysis and multivariable Cox regression analysis were performed to evaluate therapies and investigate prognostic factors for PFS. Results Our cohort included 22 females and 16 males, with a median age of 33 years. PSAE developed mostly on cervical and cervicothoracic levels. The median length measured 3 segments. Half of PSAE were intramedullary. Pain was the most common symptom. The median duration of symptoms was 6 months. Neurological statuses were improved in 76% following treatments, whereas clinical tumor progression occurred in 41.7%. The estimated median progression-free survival was 132 months, and the estimated median survival was 192 months. The median Ki-67 index was 15%. Patients aged less than or equal to 25 experienced worse neurological statuses and more repeated progression. Age less than or equal to 25 (HR 10.312, 95%CI 1.535-69.260, p=0.016), gross total resection (HR 0.116, 95%CI 0.020-0.688, p=0.018), and radiotherapy (HR 0.084, 95%CI 0.009-0.804, p=0.032) are three prognostic factors for tumor progression. Conclusion Tumor progression remains a big concern in the clinical course of PSAE. Being aged above 25, undergoing GTR, and accepting adjuvant radiotherapy put patients at lower risk for tumor progression. Younger patients might have worse neurological statuses compared with those aged over 25.
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Affiliation(s)
- Liang Wu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Li’ao Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wanjing Zou
- Department of Pathology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jun Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wenqing Jia
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yulun Xu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China,*Correspondence: Yulun Xu,
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Noureldine MHA, Shimony N, Jallo GI. Benign Spinal Tumors. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1405:583-606. [PMID: 37452955 DOI: 10.1007/978-3-031-23705-8_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Benign spinal intradural tumors are relatively rare and include intramedullary tumors with a favorable histology such as low-grade astrocytomas and ependymomas, as well as intradural extramedullary tumors such as meningiomas and schwannomas. The effect on the neural tissue is usually a combination of mass effect and neuronal involvement in cases of infiltrative tumors. The new understanding of molecular profiling of different tumors allowed us to better define central nervous system tumors and tailor treatment accordingly. The mainstay of management of many intradural spinal tumors is maximal safe surgical resection. This goal is more achievable with intradural extramedullary tumors; yet, with a meticulous surgical approach, many of the intramedullary tumors are amenable for safe gross-total or near-total resection. The nature of these tumors is benign; hence, a different way to measure outcome success is pursued and usually depends on functional rather than oncological or survival outcomes.
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Affiliation(s)
- Mohammad Hassan A Noureldine
- Department of Neurosurgery and Brain Repair, University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Institute for Brain Protection Sciences, Johns Hopkins University School of Medicine, Johns Hopkins All Children's Hospital, Saint Petersburg, FL, USA
| | - Nir Shimony
- Institute of Neuroscience, Geisinger Medical Center, Geisinger Commonwealth School of Medicine, Danville, PA, USA
- Institute for Brain Protections Sciences, Johns Hopkins All Children's Hospital, Saint Petersburg, FL, USA
- Department of Surgery, St Jude Children's Research Hospital, Memphis, USA
| | - George I Jallo
- Institute for Brain Protections Sciences, Johns Hopkins All Children's Hospital, Saint Petersburg, FL, USA.
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Snyder MH, Ampie L, DiDomenico JD, Asthagiri AR. Bevacizumab as a surgery-sparing agent for spinal ependymoma in patients with neurofibromatosis type II: Systematic review and case. J Clin Neurosci 2021; 86:79-84. [PMID: 33775351 DOI: 10.1016/j.jocn.2021.01.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 12/27/2020] [Accepted: 01/07/2021] [Indexed: 11/19/2022]
Abstract
Neurofibromatosis type 2 (NF2) is a rare, hereditary tumor syndrome, often requiring repeated surgeries for multiple lesions with significant cumulative morbidity. As such, non-operative management should be considered when possible for this patient population. The aim of this study is to provide a systematic review of the literature regarding this treatment strategy. A descriptive case of a patient in whom bevacizumab treatments enabled over 15 years of surgical postponement for a symptomatic spinal cord ependymoma is also provided. Evidence suggests that bevacizumab is a reasonable surgery-deferring option for cystic lesions, and it may be especially useful in NF2 patients to reduce cumulative morbidity.
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Affiliation(s)
- M Harrison Snyder
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, VA, USA
| | - Leonel Ampie
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, VA, USA; Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD, USA.
| | - Joseph D DiDomenico
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, USA
| | - Ashok R Asthagiri
- Department of Neurological Surgery, University of Virginia Health System, Charlottesville, VA, USA
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5
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Zhang D, Fan W, Zhao X, Massicotte EM, Fan T. Long-level intramedullary spinal cord astrocytoma complicated with spine scoliosis: Report of two cases. Int J Surg Case Rep 2021; 79:234-238. [PMID: 33485173 PMCID: PMC7820800 DOI: 10.1016/j.ijscr.2021.01.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/04/2021] [Accepted: 01/09/2021] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION AND IMPORTANCE Long-level intramedullary astrocytomas complicated with spine scoliosis are rare. Surgical treatment of such tumors becomes more complicated and challenging when spinal scoliosis is present. However, studies describing the treatment of long segmental intramedullary spinal cord astrocytomas complicated with severe spine scoliosis have been rarely reported. CASE PRESENTATION Two cases of long-level intramedullary astrocytomas complicated with severe spine scoliosis were surgically treated with one-stage operation of tumor resection and scoliosis correction in this report. Case 1: A 16-year-old boy presented to our hospital with a five-month progressive paresthesia, weakness of the left lower limb, and a long-time abnormal body appearance. MRI showed a T4-T12 intramedullary tumor combined with spinal scoliosis. Case 2: A 14-year-old boy presented at our service with a 6-year history of visible spine scoliosis and a 1-year progressive motor disability of bilateral lower limbs. Spine MRI indicated a long-level abnormal syringomyelia signal from C4 to L1 and there was irregular enhancement after intravenous contrast medium administration at C7-T2 and T9-T12 level. DISCUSSION We performed a laminectomy over the whole length of the tumor and corrected the scoliosis with trans-pedicle screws. The patients exhibited a long-time tumor free with largely neurological function preservation. One-stage operation did not generate severe short- or long-term complications. The correction of the scoliosis prevented the progression of the spinal deformity and facilitated the recovery of normal life. CONCLUSION This case report demonstrates that the one-stage resection of long-level intramedullary astrocytoma and correction of the complicated scoliosis might be a feasible option.
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Affiliation(s)
- Dongao Zhang
- Spine Center, Sanbo Brain Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Wayne Fan
- Faculty of Science, University of British Columbia, Canada
| | - Xingang Zhao
- Spine Center, Sanbo Brain Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Eric M Massicotte
- Department of Neurosurgery, Toronto Western Hospital, University of Toronto, Canada
| | - Tao Fan
- Spine Center, Sanbo Brain Hospital, Capital Medical University, Beijing, People's Republic of China.
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6
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Seaman SC, Bathla G, Park BJ, Woodroffe RW, Smith M, Menezes AH, Noeller J, Yamaguchi S, Hitchon PW. MRI characteristics and resectability in spinal cord glioma. Clin Neurol Neurosurg 2021; 200:106321. [PMID: 33268194 DOI: 10.1016/j.clineuro.2020.106321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE The histopathology of intramedullary spinal cord tumors (IMSCT) can be suspected from the MRI features and characteristics. Ultimately, the confirmation of diagnosis requires surgery. This retrospective study addresses MRI features including homogeneity of enhancement, margination, and associated syrinx in intramedullary astrocytomas (IMA) and ependymomas (IME) that assist in diagnosis and predict resectability of these tumors. METHODS Single-center retrospective analysis of IMA and IME cases since 2005 extracted from the departmental registry/electronic medical records post IRB approval (IRB 201,710,760). We compared imaging findings (enhancement, margination, homogeneity, and associated syrinxes) between tumor types and examined patient outcomes. RESULTS There were 18 IME and 21 IMA. On preoperative MRI, IME was favored to have homogenous enhancement (OR 1.8, p = 0.0001), well-marginated (p < 0.0001, OR 0.019 [95 % CI 0.002-0.184]), and associated syrinx (p = 0.015, OR 0.192 [95 % CI 0.049-0.760]). Total excision, subtotal excision, and biopsy were performed in 12, 5, and 1 patients in the IME cohort, respectively. In the IMA group, tumors were heterogeneous and poorly marginated in 20 of the 21 patients. Total excision, subtotal excision, and biopsy were undertaken in 2, 13, and 6 patients, respectively. The success of excision was predicted by MRI, with a significant difference in the extent of resection between IME and IMA (X2 = 14.123, p = 0.001). In terms of outcome, ordinal regression analysis showed that well-margined tumors and those with homogeneous enhancement were associated with a better postoperative McCormick score. Extent of resection had statistically significant survival (p = 0.026) and recurrence-free survival (p = 0.008) benefits. CONCLUSION The imaging characteristics of IME and IMA have meaningful clinical significance. Homogeneity, margination, and associated syrinxes in IME can predict resectability and complexity of surgery.
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Affiliation(s)
- Scott C Seaman
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Girish Bathla
- Department of Radiology, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Brian J Park
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Royce W Woodroffe
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Mark Smith
- Department of Radiation Oncology, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Arnold H Menezes
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Jennifer Noeller
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Satoshi Yamaguchi
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA
| | - Patrick W Hitchon
- Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA USA.
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Meola A, Soltys S, Schmitt A, Gerszten PC, Chang SD. Stereotactic Radiosurgery for Benign Spinal Tumors. Neurosurg Clin N Am 2020; 31:231-235. [PMID: 32147014 DOI: 10.1016/j.nec.2019.12.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Benign spinal tumors are rare clinical conditions, including meningiomas, schwannomas, and neurofibromas. Although these tumors are usually treated with open surgical resection, spinal stereotactic radiosurgery may be a safe and effective alternative to surgery in selected patients.
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Affiliation(s)
- Antonio Meola
- Department of Neurosurgery, Stanford University, 300 Pasteur Drive, Stanford, CA 94305, USA
| | - Scott Soltys
- Department of Radiation Oncology, Stanford University, 875 Blake Wilbur Dr, Stanford, CA 94305, USA
| | - Adam Schmitt
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Peter C Gerszten
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA 15213, USA
| | - Steven D Chang
- Department of Neurosurgery, Stanford University, 300 Pasteur Drive, Stanford, CA 94305, USA.
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8
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Shi S, Jin MC, Koenig J, Gibbs IC, Soltys SG, Chang SD, Li G, Hayden Gephart M, Hiniker SM, Pollom EL. Stereotactic Radiosurgery for Pediatric and Adult Intracranial and Spinal Ependymomas. Stereotact Funct Neurosurg 2019; 97:189-194. [PMID: 31590165 DOI: 10.1159/000502653] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 08/08/2019] [Indexed: 11/19/2022]
Abstract
OBJECTIVE/BACKGROUND We report efficacy and toxicity outcomes with stereotactic radiosurgery (SRS) for intracranial and spinal ependymoma. METHODS We analyzed adult and pediatric patients with newly diagnosed or recurrent intracranial or spinal ependymoma lesions treated with SRS at our institution. Following SRS, local failure (LF) was defined as failure within or adjacent to the SRS target volume, while distant failure (DF) was defined as failure outside of the SRS target volume. Time to LF and DF was analyzed using competing risk analysis with death as a competing risk.Overall survival (OS) was calculated from the date of first SRS to the date of death or censored at the date of last follow-up using the Kaplan-Meier method. RESULTS Twenty-one patients underwent SRS to 40 intracranial (n = 30) or spinal (n = 10) ependymoma lesions between 2007 and 2018, most commonly with 18 or 20 Gy in 1 fraction. Median follow-up for all patients after first SRS treatment was 54 months (range 2-157). The 1-year, 2-year, and 5-year rates of survival among patients with initial intracranial ependymoma were 86, 74, and 52%, respectively. The 2-year cumulative incidences of LF and DF after SRS among intracranial ependymoma patients were 25% (95% CI 11-43) and 42% (95% CI 22-60), respectively. No spinal ependymoma patient experienced LF, DF, or death within 2 years of SRS. Three patients had adverse radiation effects. CONCLUSIONS SRS is a viable treatment option for intracranial and spinal ependymoma with excellent local control and acceptable toxicity.
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Affiliation(s)
- Siyu Shi
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Michael C Jin
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Julie Koenig
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Iris C Gibbs
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Scott G Soltys
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Steven D Chang
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Gordon Li
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Melanie Hayden Gephart
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Susan M Hiniker
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA,
| | - Erqi L Pollom
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
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9
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Abd-El-Barr MM, Huang KT, Moses ZB, Iorgulescu JB, Chi JH. Recent advances in intradural spinal tumors. Neuro Oncol 2019; 20:729-742. [PMID: 29216380 DOI: 10.1093/neuonc/nox230] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Intradural spinal tumors are rare tumors of the central nervous system. Due to the eloquence of the spinal cord and its tracts, the compact architecture of the cord and nerves, and the infiltrative nature of some of these tumors, surgical resection is difficult to achieve without causing neurological deficits. Likewise, chemotherapy and radiotherapy are utilized more cautiously in the treatment of intradural spinal tumors than their cranial counterparts. Targeted therapies aimed at the genetic alterations and molecular biology tailored to these tumors would be helpful but are lacking.Here, we review the major types of intradural spinal tumors, with an emphasis on genetic alterations, molecular biology, and experimental therapies for these difficult to treat neoplasms.
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Affiliation(s)
- Muhammad M Abd-El-Barr
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Kevin T Huang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Ziev B Moses
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - J Bryan Iorgulescu
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - John H Chi
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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11
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Treatment outcomes of radiotherapy for primary spinal cord glioma. Strahlenther Onkol 2018; 195:164-174. [PMID: 30203111 DOI: 10.1007/s00066-018-1366-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 08/23/2018] [Indexed: 12/18/2022]
Abstract
PURPOSE Spinal cord gliomas are rare, and there is no consensus on the optimal radiotherapy (RT) regimen. Herein, we investigated therapeutic outcomes in spinal cord gliomas to obtain clues for the optimal RT regimen. METHODS We assessed 45 patients who received RT for primary spinal cord non-ependymoma gliomas between 2005 and 2017: 37 (82%) received postoperative RT, 6 (13%) underwent definitive RT without surgery, and 2 (5%) received salvage RT for recurrent tumors. Craniospinal irradiation (CSI; median, 40 Gy) was administered in 4 patients with seeding at diagnosis; all other patients received local RT only (median, 50.4 Gy). RESULTS In all 23 failures occurred (20 in patients without initial seeding +3 in patients with initial seeding and CSI; median follow-up, 33 months). The 2‑year overall survival and progression-free survival rates were 74 and 54%, respectively. Overall, 13 (32%) new seeding events outside the local RT field developed either first or subsequently. Tumor grade was significantly associated with survival endpoints (p = 0.009, 0.028) and overall seeding rates (p = 0.042). In grade II tumors, seeding developed in 23%, with a dismal prognosis (median, 10 months after RT). In grade III tumors, seeding developed in 45% with diverse prognosis. In grade IV tumors, seeding developed in 45%. The survival of patients with newly developed seeding was significantly worse than the others (2-year 50%, p < 0.001). CONCLUSION To encompass a considerable rate of progressive disease seeding, aggressive treatment such as pre-emptive application of CSI needs to be considered for high-grade spinal cord gliomas with adverse features. Prophylactic CSI could be an option for survival prolongation and requires prospective validation.
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12
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Sun XY, Kong C, Lu SB, Sun SY, Guo MC, Ding JZ. Survival outcomes and prognostic factors of patients with intramedullary Grade II ependymomas after surgical treatments. J Clin Neurosci 2018; 57:136-142. [PMID: 30146401 DOI: 10.1016/j.jocn.2018.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 05/23/2018] [Accepted: 08/08/2018] [Indexed: 12/12/2022]
Abstract
This study evaluated survival outcomes of patients with intramedullary Grade II ependymomas and identify prognostic factors. Electronic searches of PubMed, EMBASE, OVID, the Cochrane Central Register of Controlled Trials were performed to identify trials according to the Cochrane Collaboration guidelines. The objects were intramedullary Grade II ependymoma according to 2007 WHO classification. Kaplan-Meier survival analysis with log-rank test was used to analyze progressive free survival (PFS) and overall survival (OS). Cox proportional hazard model was utilized for multivariate analysis with hazard ratio (HR) and 95% confidence interval (CI) calculated. P values <0.05 were considered statistically significant. A total of 28 studies including 138 cases of intramedullary Grade II ependymomas were retrieved. Patients who were classified as cellular ependymomas or papillary ependymomas had higher risks of progression than those who possessed typical Grade II ependymomas. Patients who were treated with adjuvant therapy had a higher risk of progression than those without adjuvant therapy. OS of patients with giant cell ependymoma was significantly shorter than those with typical Grade II ependymoma. Patients who had cellular or papillary subtype, adjuvant therapy would have a shorter estimated value of progression-free time and a higher risk of progression than typical Grade II ependymomas. Giant cell ependymoma patients would have a higher risk of fatality than those with typical Grade II ependymomas. Definite pathology type and appropriate treatments were foundations of intramedullary Grade II ependymomas' managements.
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Affiliation(s)
- Xiang-Yao Sun
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China; Capital Medical University, China.
| | - Chao Kong
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China
| | - Shi-Bao Lu
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China.
| | - Si-Yuan Sun
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China; Capital Medical University, China
| | - Ma-Chao Guo
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China; Capital Medical University, China
| | - Jun-Zhe Ding
- Department of Orthopedics, Xuanwu Hospital Capital Medical University, China; National Clinical Research Center for Geriatric Diseases, China; Capital Medical University, China
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13
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Zhuang Y, Zhao W, Zhang W, Wei H, Huang X, Cai G, Fu C, Wang C, Wang R, Shi S, Yang W, Chen C. A reproducible model of intramedullary spinal cord tumor in rats bearing RG2 cells. Oncotarget 2018; 8:30971-30977. [PMID: 28415681 PMCID: PMC5458181 DOI: 10.18632/oncotarget.16045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 02/28/2017] [Indexed: 12/13/2022] Open
Abstract
Intramedullary spinal cord tumors (IMSCTs) are lethal diseases to many patients. The lack of adequate animal model has hampered the development of novel treatments. In the current study, a rodent intramedullary glioma model is established to study IMSCT progression. Fischer 344 rats received a intramedullary implantation of RG2 glioma cells. The neurological state of each rat was evaluated on daily basis using the Basso, Beattie and Bresnahan (BBB) scale. Rats implanted with RG2 cells developed significant hind limb paraplegia 20 days after implantation. Magnetic resonance imaging (MRI) scans after three weeks revealed significant intramedullary RG2 tumors in the rats. Forty days post implantation, rats were sacrificed for histopathological examination. Neuro-imaging and HE staining cross sections confirmed intramedullary RG2 glioma cells invading to the spinal cord. Thus, our model displayed many of the same invasive characteristics as human IMSCTs. This model should be a reliable and reproducible methodology to correlate well with the features of human IMSCT.
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Affiliation(s)
- Yuandong Zhuang
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Wei Zhao
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Weiqiang Zhang
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Hao Wei
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Xinming Huang
- Department of Medical Imaging, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Gangfeng Cai
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Chaofeng Fu
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Chunhua Wang
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Rui Wang
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Songsheng Shi
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Weizhong Yang
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
| | - Chunmei Chen
- Department of Neurosurgery, Affiliated Union Hospital of Fujian Medical University, Fuzhou, China
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Svoboda N, Bradac O, de Lacy P, Benes V. Intramedullary ependymoma: long-term outcome after surgery. Acta Neurochir (Wien) 2018; 160:439-447. [PMID: 29280009 DOI: 10.1007/s00701-017-3430-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/06/2017] [Indexed: 12/27/2022]
Abstract
BACKGROUND Overall (OS) and progression-free survival (PFS) of patients undergoing spinal ependymoma resection has been frequently reported. Contrarily, OS and PFS of purely intramedullary ependymomas have not been clearly determined yet. METHODS The data of 37 patients undergoing resection of an intramedullary ependymoma (IE) from January 2000 to December 2016 were analysed retrospectively. RESULTS The mean age was 46 years. The male:female ratio was 24:13. The median duration of symptoms was 12 months. Sixty-two per cent of ependymomas were in the cervical, 24% in the thoracic, and 14% in the conus region in our series. The median volume was 1.3 ml. A syrinx was found in 49% and a cyst in 32%. GTR was achieved in 89%, STR in three (8%), and PR in one patient (3%). Median follow-up was 114 months. PFS was 87%, 82%, and 82% at 5, 10, and 15 years, respectively. OS was 97%, 88%, and 63% at 5, 10, and 15 years, respectively. There was a significant difference in PFS depending on the extent of resection and in OS depending on the pre-operative clinical status. There was no significant difference in OS and PFS regarding the other examined influencing factors. CONCLUSION GTR resection was the most important factor influencing PFS. According to our results OS of IEs is much worse than that of spinal ependymomas. Our analysis confirms that patients with good pre-operative (McCormick grade 1 and 2) clinical status have significantly better OS than patients with McCormick grade 3 and higher.
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Affiliation(s)
- N Svoboda
- Department of Neurosurgery and Neurooncology, Military University Hospital and Charles University, First Medical Faculty, U Vojenské nemocnice 1200/1, 162 00, Prague 6, Czech Republic.
| | - O Bradac
- Department of Neurosurgery and Neurooncology, Military University Hospital and Charles University, First Medical Faculty, U Vojenské nemocnice 1200/1, 162 00, Prague 6, Czech Republic
| | - P de Lacy
- Department of Neurosurgery and Neurooncology, Military University Hospital and Charles University, First Medical Faculty, U Vojenské nemocnice 1200/1, 162 00, Prague 6, Czech Republic
| | - V Benes
- Department of Neurosurgery and Neurooncology, Military University Hospital and Charles University, First Medical Faculty, U Vojenské nemocnice 1200/1, 162 00, Prague 6, Czech Republic
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15
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Ottenhausen M, Ntoulias G, Bodhinayake I, Ruppert FH, Schreiber S, Förschler A, Boockvar JA, Jödicke A. Intradural spinal tumors in adults-update on management and outcome. Neurosurg Rev 2018; 42:371-388. [PMID: 29455369 DOI: 10.1007/s10143-018-0957-x] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 01/16/2018] [Accepted: 02/06/2018] [Indexed: 12/28/2022]
Abstract
Among spinal tumors that occur intradurally, meningiomas, nerve sheath tumors, ependymomas, and astrocytomas are the most common. While a spinal MRI is the state of the art to diagnose intradural spinal tumors, in some cases CT scans, angiography, CSF analyses, and neurophysiological examination can be valuable. The management of these lesions depends not only on the histopathological diagnosis but also on the clinical presentation and the anatomical location, allowing either radical resection as with most extramedullary lesions or less invasive strategies as with intramedullary lesions. Although intramedullary lesions are rare and sometimes difficult to manage, well-planned treatment can achieve excellent outcome without treatment-related deficits. Technical advances in imaging, neuromonitoring, minimally invasive approaches, and radiotherapy have improved the outcome of intradural spinal tumors. However, the outcome in malignant intramedullary tumors remains poor. While surgery is the mainstay treatment for many of these lesions, radiation and chemotherapy are of growing importance in recurrent and multilocular disease. We reviewed the literature on this topic to provide an overview of spinal cord tumors, treatment strategies, and outcomes. Typical cases of extra- and intramedullary tumors are presented to illustrate management options and outcomes.
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Affiliation(s)
- Malte Ottenhausen
- Department of Neurosurgery, Vivantes Klinikum Neukölln, Berlin, Germany
| | - Georgios Ntoulias
- Department of Neurosurgery, Vivantes Klinikum Neukölln, Berlin, Germany
| | | | | | - Stefan Schreiber
- Department of Neurosurgery, Vivantes Klinikum Neukölln, Berlin, Germany
| | - Annette Förschler
- Department of Radiology and Neuroradiology, Schlossparkklinik, Berlin, Germany
| | - John A Boockvar
- Department of Neurosurgery, Lenox Hill Hospital, New York, USA
| | - Andreas Jödicke
- Department of Neurosurgery, Vivantes Klinikum Neukölln, Berlin, Germany.
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16
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Campello C, Parker F, Slimani S, Le Floch A, Herbrecht A, Aghakhani N, Lacroix C, Loiseau H, Lejeune J, Perrin G, Honnorat J, Dufour H, Chinot O, Figarella D, Bauchet L, Duffau H, Lonjon M, Labauge P, Messerer M, Daures J, Fabbro P, Ducot B. Tumeurs gliales intramédullaires de l’adulte : la série du rapport. Neurochirurgie 2017; 63:381-390. [DOI: 10.1016/j.neuchi.2016.10.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Revised: 09/18/2016] [Accepted: 10/23/2016] [Indexed: 10/19/2022]
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17
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Alan N, Cohen J, Ozpinar A, Agarwal N, Kanter AS, Okonkwo DO, Hamilton DK. Top 50 most cited articles on primary tumors of the spine. J Clin Neurosci 2017; 42:19-27. [DOI: 10.1016/j.jocn.2017.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 02/08/2017] [Indexed: 10/19/2022]
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18
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Luksik AS, Garzon-Muvdi T, Yang W, Huang J, Jallo GI. Pediatric spinal cord astrocytomas: a retrospective study of 348 patients from the SEER database. J Neurosurg Pediatr 2017; 19:711-719. [PMID: 28362182 DOI: 10.3171/2017.1.peds16528] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE Intramedullary spinal cord tumors comprise 1%-10% of all childhood central nervous system neoplasms, with astrocytomas representing the most common subtype. Due to their rarity and poor prognosis, large population-based studies are needed to assess the epidemiology and survival risk factors associated with these tumors in the hope of improving outcome. The authors undertook this retrospective study to explore factors that may influence survival in pediatric patients with spinal cord astrocytomas. METHODS Utilizing the Surveillance, Epidemiology, and End Results (SEER) database, a prospective cancer registry, the authors retrospectively assessed survival in histologically confirmed, primary spinal cord astrocytomas in patients 21 years of age and younger. Survival was described with Kaplan-Meyer curves, and a multivariate regression analysis was used to assess the association of several variables with survival while controlling for confounding variables. RESULTS This analysis of 348 cases showed that age (hazard ratio [HR] 1.05, 95% CI 1.01-1.09, p = 0.017), nonwhite race (HR 1.74, 95% CI 1.11-2.74, p = 0.014), high-grade tumor status (HR 14.67, 95% CI 6.69-32.14, p < 0.001), distant or invasive extension of the tumor (HR 2.37, 95% CI 1.02-5.49, p = 0.046), and radiation therapy (HR 3.74, 95% CI 2.18-6.41, p < 0.001) were associated with decreased survival. Partial resection (HR 0.37, 95% CI 0.16-0.83, p = 0.017) and gross-total resection (HR 0.39, 95% CI 0.16-0.95, p = 0.039) were associated with improved survival. CONCLUSIONS Younger age appears to be protective, while high-grade tumors have a much worse prognosis. Early diagnosis and access to surgery appears necessary for improving outcomes, while radiation therapy has an unclear role. There is still much to learn about this disease in the hope of curing children with the misfortune of having one of these rare tumors.
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Affiliation(s)
- Andrew S Luksik
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and
| | - Tomas Garzon-Muvdi
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and
| | - Wuyang Yang
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and
| | - Judy Huang
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and
| | - George I Jallo
- Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; and.,Institute for Brain Protection Sciences, Johns Hopkins All Children's Hospital, St. Petersburg, Florida
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19
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Central nervous system gliomas. Crit Rev Oncol Hematol 2017; 113:213-234. [DOI: 10.1016/j.critrevonc.2017.03.021] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 03/16/2017] [Accepted: 03/20/2017] [Indexed: 12/22/2022] Open
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20
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Mariano JML, Torio EF, Santos MSSD, Sih IMY, Torcuator RADG. Stereotactic radiosurgery and stereotactic fractionated radiotherapy for metastatic tumors of the spine. Neurol Res 2017; 39:298-304. [PMID: 28266225 DOI: 10.1080/01616412.2017.1295197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The objectives of this paper are to describe pain control, neurologic improvement, local tumor control, progression-free survival, and overall survival of spine SRS/SFRT patients, and to compare our outcomes with other studies on spine stereotactic radiotherapy for metastatic tumors. METHODS A chart review of patients who underwent spine SRS/SFRT was done. Information was collected on patient age, sex, histology, site treated, pain relief, local control, neurologic function, prescription dose, and complications. Descriptive statistics, median local control rates, progression-free survival, and overall survival were calculated. RESULTS Twenty eight SRS and 3 SFRT target volumes in 21 patients were studied. Eighteen underwent SRS and 3 underwent SFRT for metastasis from August 2012 to February 2016. Follow-up ranged from 4 to 41 months. Average dose was 16.6 ± 3.9 Gy. Spine SRS mean target volume was 31.1 cc (95% CI, 21.7-40.6 cc). Median overall survival after treatment was 16 months (95% CI, 9.7-22.3 months) and median progression-free survival was 13 months (95% CI, 8.4-17.6 months). Local control was 46%, 30%, and 15% at 6, 8, and 10 months, respectively. Average onset of pain relief is 4.9 days (95% CI, 0.8-8.9 days). One patient (5%) developed post SRS vertebral compression fracture. CONCLUSION SRS/SFRT is a safe and effective alternative to EBRT for the treatment of spine metastasis. Improvement in pain control and motor strength and incidence of adverse events are comparable with other studies. Local tumor control was lower in our series due to a lower mean prescribed dose.
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Affiliation(s)
- Juan Manuel L Mariano
- a Section of Neurosurgery , Institute for Neurosciences, St. Luke's Medical Center - Global City , Taguig , Philippines
| | - Erickson F Torio
- a Section of Neurosurgery , Institute for Neurosciences, St. Luke's Medical Center - Global City , Taguig , Philippines
| | - Ma Socorro S D Santos
- b Department of Health , Health Policy Development and Planning Bureau , Taguig , Philippines
| | - Ibet Marie Y Sih
- c Advanced Spine Care Service and Section of Neurosurgery, Institute for Neurosciences , St. Luke's Medical Center - Global City , Taguig , Philippines
| | - Roy Allan Dominique G Torcuator
- d Brain Tumor Center and Section of Neurosurgery, Institute for Neurosciences , St. Luke's Medical Center - Global City , Taguig , Philippines
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21
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Ahmed R, Menezes AH, Torner JC. Role of resection and adjuvant therapy in long-term disease outcomes for low-grade pediatric intramedullary spinal cord tumors. J Neurosurg Pediatr 2016; 18:594-601. [PMID: 27420482 DOI: 10.3171/2016.5.peds15356] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE Surgical excision is the mainstay treatment for resectable low-grade intramedullary spinal cord tumors (IMSCTs) in the pediatric age group. Chemotherapy and radiation treatments are generally reserved for progressive or recurrent disease. Given the indolent nature of low-grade tumors and the potential side effects of these approaches, their long-term treatment benefits are unclear. The aim of the study was to determine long-term disease outcomes and the therapeutic roles of surgery and adjuvant therapies in pediatric patients with low-grade IMSCTs over an extended follow-up period. METHODS Case records for all pediatric patients (< 21 years of age) with a histopathological diagnosis of low-grade IMSCT were selected over a period from January 1975 to January 2010. Outcome variables including McCormick functional grade, overall survival (OS), and progression-free survival (PFS) were analyzed with respect to demographic and treatment variables. RESULTS Case records of 37 patients with low-grade IMSCTs were identified, with a mean follow-up duration of 12.3 ± 1.4 years (range 0.5-37.2 years). Low-grade astrocytomas were the most prevalent histological subtype (n = 22, 59%). Gross-total resection (GTR) was achieved in 38% of patients (n = 14). Fusion surgery was required in 62% of patients with pre- or postoperative deformity (10 of 16). On presentation, functional improvement was observed in 87% and 46% of patients in McCormick Grades I and II, respectively, and in 100%, 100%, and 75% in Grades III, IV, and V, respectively. Kaplan-Meier PFS rates were 63% at 5 years, 57% at 10 years, and 44% at 20 years. OS rates were 92% at 5 years, 80% at 10 years, and 65% at 20 years. On multivariate analysis, shunt placement (hazard ratio [HR] 0.33, p = 0.01) correlated with disease progression. There was a trend toward improved 5-year PFS in patients who received adjuvant chemotherapy and radiation therapy (RT; 55%) compared with those who did not (36%). Patients who underwent subtotal resection (STR) were most likely to undergo adjuvant therapy (HR 7.86, p = 0.02). CONCLUSIONS This extended follow-up duration in patients with low-grade IMSCTs beyond the first decade indicates favorable long-term OS up to 65% at 20 years. GTR improved PFS and was well tolerated with sustained functional improvement in the majority of patients. Adjuvant chemotherapy and RT improved PFS in patients who underwent STR. These results emphasize the role of resection as the primary treatment approach, with adjuvant therapy reserved for patients at risk for disease progression and those with residual tumor burden.
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Affiliation(s)
- Raheel Ahmed
- Division of Neurosurgery, The Hospital for Sick Children, Toronto, Canada; and
| | | | - James C Torner
- Epidemiology, University of Iowa Hospitals and Clinics, Iowa City, Iowa
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22
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Bakhshi SK, Waqas M, Shakaib B, Enam SA. Management and outcomes of intramedullary spinal cord tumors: A single center experience from a developing country. Surg Neurol Int 2016; 7:S617-22. [PMID: 27656322 PMCID: PMC5025955 DOI: 10.4103/2152-7806.189733] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 07/13/2016] [Indexed: 11/29/2022] Open
Abstract
Background: Intraoperative neurophysiology, high magnification microscopes, and ultrasonic aspirators are considered essential aid for the safe resection of intramedullary spinal cord tumors (IMSCTs). Most centers in developing countries such as Pakistan still lack these facilities. The purpose of this study was to review the management of IMSCTs at our hospital and to determine factors associated with the outcomes of surgery. Methods: This was a retrospective review of medical records of adult patients undergoing surgery for IMSCT over 12 years. The institutional ethical review committee approved this study. Data were collected regarding demographics, clinical and radiological features, and surgical details. Modified McCormick Scale was used to grade patients’ neurological status at admission, discharge, and follow-up. Statistical analysis was performed using the Statistical Package for Social Sciences version 22. Results: Forty three cases were reviewed. Mean age was 33.8 ± 15.1 years whereas median follow-up was 5 months (range: 0.25–96 months). Most patients had ependymoma (n = 16; 73%). Cervical region was the most commonly involved (n = 15; 34.9%). Gross total resection (GTR) was achieved in 30 cases (69.8%). The preoperative McCormick grade was significantly associated with follow-up McCormick grade (P value = 0.002). Eight patients (18.6%) underwent intraoperative electrophysiological monitoring, out of which GTR was achieved in all cases, and none had disease progression or recurrence. Ten patients received postoperative radiotherapy. Thirty five patients (81.4%) had progression free survival at last follow-up. Conclusions: We achieved a GTR rate of 68.9% for IMSCTs with limited resources. In few cases, where intraoperative electrophysiology was used, the rate of GTR was 100%. Preoperative neurological status was associated with better postoperative McCormick score.
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Affiliation(s)
- Saqib K Bakhshi
- Department of Surgery, Section of Neurosurgery, Aga Khan University Hospital, Karachi, Pakistan
| | - Muhammad Waqas
- Department of Surgery, Section of Neurosurgery, Aga Khan University Hospital, Karachi, Pakistan
| | - Baila Shakaib
- Department of Surgery, Section of Neurosurgery, Aga Khan University Hospital, Karachi, Pakistan
| | - Syed A Enam
- Department of Surgery, Section of Neurosurgery, Aga Khan University Hospital, Karachi, Pakistan
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23
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Infiltrating spinal cord astrocytomas: Epidemiology, diagnosis, treatments and future directions. J Clin Neurosci 2016; 29:15-20. [DOI: 10.1016/j.jocn.2015.10.048] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 10/14/2015] [Accepted: 10/25/2015] [Indexed: 11/17/2022]
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24
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Celano E, Salehani A, Malcolm JG, Reinertsen E, Hadjipanayis CG. Spinal cord ependymoma: a review of the literature and case series of ten patients. J Neurooncol 2016; 128:377-86. [PMID: 27154165 DOI: 10.1007/s11060-016-2135-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 05/01/2016] [Indexed: 02/06/2023]
Abstract
Spinal cord ependymoma (SCE) is a rare tumor that is most commonly low-grade. Complete surgical resection has been established as first-line treatment and can be curative. However, SCEs tend to recur when complete tumor resection is not possible. Evidence supporting the use of adjuvant radiation and chemotherapy is not definitive. We review the most recent literature on SCE covering a comprehensive range of topics spanning the biology, presentation, clinical management, and outcomes. In addition, we present a case series of ten SCE patients with the goal of contributing to existing knowledge of this rare disease.
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Affiliation(s)
- Emma Celano
- Emory University School of Medicine, Atlanta, GA, USA
| | | | | | - Erik Reinertsen
- Emory University School of Medicine, Atlanta, GA, USA.,Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Constantinos G Hadjipanayis
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Beth Israel Philips Ambulatory Care Center, 10 Union Square, 5th Floor, Suite 5E, New York, NY, 10003, USA.
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25
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Samartzis D, Gillis CC, Shih P, O'Toole JE, Fessler RG. Intramedullary Spinal Cord Tumors: Part II-Management Options and Outcomes. Global Spine J 2016; 6:176-85. [PMID: 26933620 PMCID: PMC4771497 DOI: 10.1055/s-0035-1550086] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Accepted: 02/09/2015] [Indexed: 12/30/2022] Open
Abstract
Study Design Broad narrative review. Objectives Intramedullary spinal cord tumors (IMSCT) are uncommon lesions that can affect any age group or sex. However, numerous IMSCT exist and the clinical course of each tumor varies. The following article addresses the various management options and outcomes in patients with IMSCT. Methods An extensive review of the peer-reviewed literature was performed, addressing management options and clinical outcomes of patients with IMSCT. Results Early diagnosis and intervention are essential to obtain optimal functional outcome. Each IMSCT have specific imaging characteristics, which help in the clinical decision-making and prognostication. A comprehension of the tumor pathology and the clinical course associated with each tumor can allow for the proper surgical and nonsurgical management of these tumors, and reduce any associated morbidity and mortality. Recent advances in the operative management of such lesions have increased the success rate of tumor removal while minimizing iatrogenic-related trauma to the patient and, in tandem, improving patient outcomes. Conclusions Awareness and understanding of IMSCT is imperative to design proper management and obtain optimal patient outcomes. Meticulous operative technique and the use of surgical adjuncts are essential to accomplish proper tumor removal, diminish the risk of recurrence, and preserve neurologic function. Operative management of IMSCT should be individualized and based on tumor type, location, and dimensional extensions. To assist with preoperative and intraoperative decision-making, a general algorithm is provided.
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Affiliation(s)
- Dino Samartzis
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, SAR, China,Address for correspondence Dino Samartzis, DSc Department of Orthopaedics and Traumatology, The University of Hong Kong102 Pokfulam Road, Professorial Block, 5th Floor, Pokfulam, Hong Kong, SARChina
| | - Christopher C. Gillis
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, United States
| | - Patrick Shih
- The Neurological Brain and Spine Center, Houston, Texas, United States
| | - John E. O'Toole
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, United States
| | - Richard G. Fessler
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, United States,Richard G. Fessler, MD, PhD Department of Neurosurgery, Rush University Medical CenterRush Professional Office Building, 1725 W. Harrison Street, Suite 855, Chicago, IL 60612United States
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26
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Primary spinal cord glioblastoma multiforme treated with temozolomide. J Clin Neurosci 2015; 22:1877-82. [DOI: 10.1016/j.jocn.2015.04.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 03/30/2015] [Accepted: 04/05/2015] [Indexed: 11/22/2022]
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27
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Sahu RK, Das KK, Bhaisora KS, Singh AK, Mehrotra A, Srivastava AK, Sahu RN, Jaiswal AK, Behari S. Pediatric intramedullary spinal cord lesions: Pathological spectrum and outcome of surgery. J Pediatr Neurosci 2015; 10:214-21. [PMID: 26557160 PMCID: PMC4611888 DOI: 10.4103/1817-1745.165660] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Background: Pediatric intramedullary spinal cord lesions are not only rare but also different from adults in a number of aspects. We aimed to study the incidence and the frequencies of various pediatric intramedullary mass lesions, their outcome to treatment and the factors determining their outcome of treatment. Materials and Methods: Thirty-one consecutive children (aged 1–18 years, mean 11.1 years, male: female = 1.8:1) with pathologically proven intramedullary spinal cord lesions treated at our center were studied. Clinico-radiological, histopathological, operative, and outcome data were reviewed retrospectively. The functional status was assessed using the modified McCormick grading system. Results: Gross total tumor excision was performed in 19 patients (61.3%), subtotal in 9 patients (29%), partial excision was performed in 2 (6.5%) patient, and only biopsy was performed in 1 patient (6.5%). There was one peroperative death, 2 patients died at follow-up. Complications included wound related complications (n = 4), transient deterioration in the motor power, and respiratory complication requiring a tracheostomy. Six patients showed recurrence at a mean follow-up of 16.4 months. Developmental tumors, high-grade ependymomas, and incompletely excised grade 2 ependymomas showed a tendency to recur. Conclusions: Children constituted nearly 1/5th (17.4%) of intramedullary spinal cord tumors. Astrocytomas and ependymomas taken together constituted the most common intramedullary spinal lesions in children; however, developmental tumors predominated in the first decade. Children usually presented in good functional grades preoperatively and maintained good grades after surgery. Functional outcome was dependent on the preoperative neurological status and histopathology of the lesions.
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Affiliation(s)
- Rajni Kant Sahu
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Kuntal Kanti Das
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Kamlesh Singh Bhaisora
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Amit Kumar Singh
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Anant Mehrotra
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Arun Kumar Srivastava
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Rabi Narayan Sahu
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Awadhesh Kumar Jaiswal
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Sanjay Behari
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
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Radiotherapy of spinal cord gliomas : A retrospective mono-institutional analysis. Strahlenther Onkol 2015; 192:139-45. [PMID: 26519080 DOI: 10.1007/s00066-015-0917-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 10/07/2015] [Indexed: 12/25/2022]
Abstract
BACKGROUND Due to the rarity of spinal cord gliomas, no consensus has been reached regarding the optimal treatment strategy. The aim of the present retrospective study was to identify patient and tumor characteristics and to evaluate the effectiveness of radiotherapy within this setting. PATIENTS AND METHODS Patients diagnosed with spinal cord gliomas between 2003 and 2013 and treated at the Department of Radiation Oncology, University of Munich, were retrospectively analyzed. Overall survival was estimated with the Kaplan-Meier method and univariate analysis was performed by log-rank testing. RESULTS A total of 16 patients were identified. The cohort consisted of seven primary spinal cord gliomas and eight cases of metastases of cerebral gliomas. Median follow-up was 42 months and median total radiation dose was 45.0 Gy. In all, 62.5 % of patients received a simultaneous chemotherapy with temozolomide. The median overall survival was 6 months (95% CI: 0-27.5 months). Surgical resection of the tumor was a significant predictor of improved survival, compared with radiotherapy alone (p = 0.001). Patients with the diagnosis of a primary spinal cord glioma survived significantly longer than those presenting with a metastatic deposit from a cerebral glioma (p < 0.001). A statistically significant dose-response relationship at dose levels of ≥ 45 Gy vs. < 45 Gy could be derived (p < 0.001). Simultaneous chemotherapy did not influence survival outcome. CONCLUSION Despite the aggressive treatment in the present study, the prognosis for spinal cord gliomas was still poor, with a median overall survival of 6 months. To the best of our knowledge, this is the largest study reporting the results of simultaneous chemoradiation in spinal cord gliomas. A combined chemoradiation treatment seems feasible and can be considered as a new treatment option in the management of spinal cord gliomas.
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Kutluk T, Varan A, Kafalı C, Hayran M, Söylemezoğlu F, Zorlu F, Aydın B, Yalçın B, Akyüz C, Büyükpamukçu M. Pediatric intramedullary spinal cord tumors: a single center experience. Eur J Paediatr Neurol 2015; 19:41-7. [PMID: 25457509 DOI: 10.1016/j.ejpn.2014.09.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 09/24/2014] [Accepted: 09/28/2014] [Indexed: 10/24/2022]
Abstract
AIM To evaluate clinical and radiological findings, pathological features and treatment modalities in pediatric patients with intramedullary spinal cord tumors. PATIENTS AND METHODS The medical records of 36 patients with intramedullary spinal tumors were reviewed for clinical, radiological and histopathological data, chemotherapy, radiotherapy, surgical resection, treatment responses, events, and final outcome. Survival analyses were performed. RESULTS The median age was 7.9 years (range: 1-16 years; male/female ratio:1.4). Majority of the tumors were histopathologically diagnosed as astrocytomas (n = 16, 44.4%) and ependymomas (n = 19, 52.8%); whereas one was unclassified glioma. Overall, 94% of the astrocytomas and 84% of the ependymomas were low-grade, only three tumors were high-grade. In one patient with ependymoma, histopathological grade was undetermined. The primary tumor was commonly located in thoracic (47%) and cervical segments (28%). All patients had undergone surgery (gross-total resection, 33%; subtotal resection, 45%; biopsy, 22%). Radiotherapy was administered to 26 patients (72%) and chemotherapy to 15 patients (42%). The 3-, 5- and 10-year overall survival rates were 72%, 63% and 56%, respectively; and event-free survival rates were 43%, 40% and 40%. Survival did not significantly differ with gender, age groups, lag-time, neurologic status, histopathological tumor type, tumor location, extent of resection, treatment, or treatment responses in univariate survival analyses. Survival rates were significantly higher in patients with low-grade tumors and in ependymoma patients with resected tumors. CONCLUSIONS Patients with low-grade tumors and those who underwent gross-total tumor resection had better prognosis. Surgery remains the main treatment in intramedullary spinal tumors. The role of radiotherapy and chemotherapy is limited and even controversial in low-grade tumors.
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Affiliation(s)
- Tezer Kutluk
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey.
| | - Ali Varan
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Candaş Kafalı
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Mutlu Hayran
- Department of Preventive Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Figen Söylemezoğlu
- Department of Pathology, Hacettepe University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Faruk Zorlu
- Department of Radiation Oncology, Hacettepe University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Burça Aydın
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Bilgehan Yalçın
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Canan Akyüz
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
| | - Münevver Büyükpamukçu
- Department of Pediatric Oncology, Hacettepe University, Institute of Oncology, 06100 Ankara, Turkey
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Boström A, Kanther NC, Grote A, Boström J. Management and outcome in adult intramedullary spinal cord tumours: a 20-year single institution experience. BMC Res Notes 2014; 7:908. [PMID: 25495874 PMCID: PMC4302119 DOI: 10.1186/1756-0500-7-908] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2014] [Accepted: 12/11/2014] [Indexed: 11/10/2022] Open
Abstract
Background Several uncertainties remain concerning the management of intramedullary spinal cord tumours (IMSCTs). These include the timing and extent of resection, its interrelated functional outcome, and the adequate use and timing of radiation therapy and/or chemotherapy. In this retrospective study we report on all adult cases involving IMSCTs treated from 1987 to 2007 in our institution to validate our treatment strategy for IMSCTs. Pre- and post-operative functional performance was classified according to the McCormick scale. Results A total of 70 adult cases with IMSCTs consisting of ependymoma (39), astrocytoma (11), carcinoma metastasis (8), haemangioblastoma (5), cavernoma (3) and others (4) were reviewed. Mean age was 46.8 years (range, 18-79 years), and mean follow-up was 4.5 years (range, 1-195 months). The proportion of localisation in descending order was thoracic (36%), cervical (33%), cervicothoracic (19%) and conus region (13%), with 45 gross total resections, 22 partial resections and three biopsies. Surgery-related morbidity with worsening postoperative symptoms occurred immediately in 13 patients (18.6%). The preoperative McCormick grade correlated significantly with the early postoperative grade and the grade at follow-up (χ2-test; p = 0.001). None of the patients with preserved intraoperative evoked potentials exhibited significant postoperative deterioration. The degree of resection was correlated with progression-free survival (Duncan test; p = 0.05). Most patients with malignant tumours, namely anaplastic ependymoma (3), astrocytoma (2) or metastatic lesions (5), underwent postoperative radiation therapy. Six patients (one anaplastic ependymoma, two anaplastic astrocytomas and three metastatic lesions) received postoperative chemotherapy. Conclusions IMSCTs should be operated on when symptoms are mild. We recommend evoked potential-guided microsurgical total resection of ependymomas and other benign lesions; partial resection or biopsy followed by adjuvant therapy should be confined to patients with high-grade astrocytomas, whereas resection or biopsy with adjuvant therapy is the best option for metastatic lesions.
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Affiliation(s)
| | | | | | - Jan Boström
- Department of Neurosurgery, University of Bonn Medical Center, Sigmund-Freud-Str, 25, Bonn 53105, Germany.
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Varghese SS, Sebastian P, Joseph V, Chacko G, Backianathan S. An unusually long survival of a patient with glioblastoma of spinal cord: a case report. J Clin Diagn Res 2014; 8:QD01-3. [PMID: 24959488 DOI: 10.7860/jcdr/2014/8486.4218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 02/16/2014] [Indexed: 11/24/2022]
Abstract
Primary glioblastoma of spinal cord are rare and are associated with poor survival especially in adults. We report a case of glioblastoma of thoracic spinal cord (D3 to D6) in an adult treated with partial resection surgery and radiation therapy with a survival of six years with good quality of life. The patient had paraplegia at presentation but improved after surgery and radiation therapy to grade 4 in both lower limbs. After 5 years, he developed new lesion in a different location of the spine (L1, L2 & L5) along with multiple lesions over entire spine and was treated with radiation therapy and a year later developed a new lesion intracranially in the posterior fossa involving cerebellopontine angle region infiltrating brainstem. He was treated with palliative radiotherapy and is on chemotherapy with Temozolomide and is still alive with ability to do activities of daily living at the time of this report. Radiation therapy provided prolonged local control with effective palliation of symptoms and good quality of life in this patient enabling to do activities of daily living.
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Affiliation(s)
- Sunitha Susan Varghese
- Assistant Professor, Department of Radiation Oncology, Christian Medical College , Vellore, India
| | - Patricia Sebastian
- Assistant Professor, Department of Radiation Oncology, Christian Medical College , Vellore, India
| | - Vivek Joseph
- Professor, Neurosurgery, Department of Neurological Sciences, Christian Medical College , Vellore, India
| | - Geeta Chacko
- Professor, Neuropathology, Departments of Pathology and Neurological Sciences, Christian Medical College , Vellore, India
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Tredway TL. Minimally Invasive Approaches for the Treatment of Intramedullary Spinal Tumors. Neurosurg Clin N Am 2014; 25:327-36. [DOI: 10.1016/j.nec.2013.12.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Liu X, Sun B, Xu Q, Che X, Hu J, Gu S, Shou J. Outcomes in treatment for primary spinal anaplastic ependymomas: a retrospective series of 20 patients. J Neurosurg Spine 2013; 19:3-11. [PMID: 23662884 DOI: 10.3171/2013.3.spine12183] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Little is known regarding the anaplastic variant of primary ependymomas that involve the spinal cord. The aim of this study was to evaluate the clinical characteristics and treatment outcomes of primary spinal anaplastic ependymomas (PSAEs). METHODS Medical records were reviewed in 20 patients with pathologically proven PSAEs who underwent surgical treatment at the Department of Neurosurgery in Huashan Hospital between 1999 and 2008. RESULTS This series included 7 women and 13 men between the ages of 2 and 67 years (mean 31.9 years). The mean preoperative course was 9.3 months (range 20 days to 48 months). The most common PSAE locations were the cervical and thoracic spinal cords. The most common presenting symptom was weakness, followed by numbness, bowel or bladder dysfunction, and pain. Gross-total resection (GTR) was achieved in 17 patients, and a subtotal removal was performed in 3 patients. Nine patients received radiation therapy and/or chemotherapy. The mean follow-up duration was 83.5 months. Functional assessment of the 10 patients available at the latest follow-up evaluation showed that 2 had worsened and 8 remained unchanged from their preoperative status. There were 2 local recurrences and 1 lung metastasis. CONCLUSIONS Patients with PSAEs presented with a much shorter preoperative course than patients with Grade II ependymomas in previous studies. Patients with tumors that involved the cervical spinal cord experienced a worse outcome. Surgical removal of PSAEs, with the goal of GTR, is beneficial to patients. The role of radiation therapy and chemotherapy in PSAEs remains to be determined in further studies.
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Affiliation(s)
- XiaoDong Liu
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
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Park HK, Chang JC. Review of stereotactic radiosurgery for intramedullary spinal lesions. KOREAN JOURNAL OF SPINE 2013; 10:1-6. [PMID: 24757449 PMCID: PMC3941738 DOI: 10.14245/kjs.2013.10.1.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2012] [Revised: 12/22/2012] [Accepted: 02/01/2013] [Indexed: 12/31/2022]
Abstract
Stereotactic radiosurgery (SR) represents an increasingly utilized modality in the treatment of intracranial and extracranial pathologies. Stereotactic spine radiosurgery (SSR) uses an alternative strategy to increase the probability of local control by delivering large cumulative doses of radiation therapy (RT) in only a few fractions. SSR in the treatment of intramedullary lesions remains in its infancy-this review summarizes the current literature regarding the use of SSR for treating intramedullary spinal lesions. Several studies have suggested that SSR should be guided by the principles of intracranial radiosurgery with radiation doses placed no further than 1-2mm apart, thereby minimizing exposure to the surrounding spinal cord and allowing for delivery of higher radiation doses to target areas. Maximum dose-volume relationships and single-point doses with SSR for the spinal cord are currently under debate. Prior reports of SR for intramedullary metastases, arteriovenous malformations, ependymomas, and hemangioblastomas demonstrated favorable outcomes. In the management of intrame-dullary spinal lesions, SSR appears to provide an effective and safe treatment compared to conventional RT. SSR should likely be utilized for select patient-scenarios given the potential for radiation-induced myelopathy, though high-quality literature on SSR for intramedullary lesions remains limited.
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Affiliation(s)
- Hyung-Ki Park
- Department of Neurosurgery, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Jae-Chil Chang
- Department of Neurosurgery, Soonchunhyang University College of Medicine, Seoul, Korea
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Hayden Gephart MG, Lober RM, Arrigo RT, Zygourakis CC, Guzman R, Boakye M, Edwards MSB, Fisher PG. Trends in the diagnosis and treatment of pediatric primary spinal cord tumors. J Neurosurg Pediatr 2012; 10:555-9. [PMID: 23061821 DOI: 10.3171/2012.9.peds1272] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECT Pediatric primary spinal cord tumors (PSCTs) are rare, with limited comprehensive data regarding incidence and patterns of diagnosis and treatment. The authors evaluated trends in the diagnosis and treatment of PSCTs using a nationwide database. METHODS The Surveillance, Epidemiology, and End Results (SEER) registry was queried for the years 1975-2007, evaluating clinical patterns in 330 patients 19 years of age or younger in whom a pediatric PSCT had been diagnosed. Histological diagnoses were grouped into pilocytic astrocytoma, other low-grade astrocytoma, ependymoma, and high-grade glioma. Patient demographics, tumor pathology, use of external beam radiation (EBR), and overall survival were analyzed. RESULTS The incidence of pediatric PSCT was 0.09 case per 100,000 person-years and did not change over time. Males were more commonly affected than females (58% vs 42%, respectively; p < 0.006). Over the last 3 decades, the specific diagnoses of pilocytic astrocytoma and ependymoma increased, whereas the use of EBR decreased (60.6% from 1975 to 1989 vs 31.3% from 1990 to 2007; p < 0.0001). The 5- and 10-year survival rates did not differ between these time periods. CONCLUSIONS While the incidence of pediatric PSCT has not changed over time, the pattern of pathological diagnoses has shifted, and pilocytic astrocytoma and ependymoma have been increasingly diagnosed. The use of EBR over time has declined. Relative survival of patients with low-grade PSCT has remained high regardless of the pathological diagnosis.
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Affiliation(s)
- Melanie G Hayden Gephart
- Department of Neurosurgery, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305-5327, USA.
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Ellis JA, Castelli M, Bruce JN, Canoll P, Ogden AT. Retroviral delivery of platelet-derived growth factor to spinal cord progenitor cells drives the formation of intramedullary gliomas. Neurosurgery 2012; 70:198-204; discussion 204. [PMID: 21760556 DOI: 10.1227/neu.0b013e31822ce963] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND High-grade gliomas of the spinal cord are poorly understood tumors that are very commonly associated with bad outcomes. The transforming effects of platelet-derived growth factor (PDGF) on spinal cord glial progenitor cells may play an important role in the development of these tumors. OBJECTIVE To investigate the possible tumor-initiating effects of PDGF overexpression in the spinal cord, we delivered a PDGF retrovirus directly into the substance of the spinal cord. METHODS The spinal cords of wild-type adult rats were surgically exposed and injected with 10⁶ colony-forming units of a green fluorescent protein-tagged, PDGF-expressing retrovirus. A control virus was injected to assess the cell types that become infected during retroviral delivery to the spinal cord. RESULTS It was observed that PDGF overexpression in the spinal cord causes morbidity from high-grade intramedullary glioma formation between 27 and 49 days after PDGF retrovirus injection. Retroviral transduction was highly efficient with 100% of injected animals displaying the tumor phenotype. The tumors produced were highly proliferative, were locally invasive, and displayed the immunophenotype of virus-targeted glial progenitor cells (Olig2+PDGFR+NG2+GFAP-). CONCLUSION PDGF is capable of driving glial progenitor cells within the adult spinal cord to form high-grade gliomas. Further investigation of PDGF signaling in the spinal cord is needed to better understand and treat these devastating tumors.
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Affiliation(s)
- Jason A Ellis
- Department of Neurological Surgery, Columbia University Medical Center, New York, New York 10032, USA.
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Hsu W, Siu IM, Pradilla G, Gokaslan ZL, Jallo GI, Gallia GL. Animal model of intramedullary spinal cord glioma using human glioblastoma multiforme neurospheres. J Neurosurg Spine 2012; 16:315-9. [DOI: 10.3171/2011.11.spine11492] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
Advances in the diagnosis and management of patients with spinal cord tumors have been limited because of the rarity of the disease and the limitations of current animal models for spinal cord glioma. The ideal spinal cord tumor model would possess a number of characteristics, including the use of human glioma cells that capture the growth pattern and local invasive nature of their human counterpart. In this study, the authors' goal was to develop a novel spinal cord tumor model using a human neurosphere cell line.
Methods
Eighteen female athymic rats were randomized into 3 experimental groups. Animals in the first group (6 rats) received a 3-ml intramedullary injection containing DMEM and were used as controls. Animals in the second group (6 rats) received a 3-ml intramedullary injection containing 100,000 glioblastoma multiforme (GBM) neurosphere cells in 3 ml DMEM. Animals in the third group (6 rats) received a 3-ml intramedullary injection containing 9L gliosarcoma cells in 3 ml DMEM. Functional testing of hindlimb strength was assessed using the Basso-Beattie-Bresnahan (BBB) scale. Once the functional BBB score of an animal was less than or equal to 5 (slight movement of 2 joints and extensive movement of the third), euthanasia was performed.
Results
Animals in the GBM neurosphere group had a mean survival of 33.3 ± 2.0 days, which was approximately twice as long as animals in the 9L gliosarcoma group (16.3 ± 2.3 days). There was a significant difference between survival of the GBM neurosphere and 9L gliosarcoma groups (p < 0.001). None of the control animals died (p < 0.001 for GBM neurosphere group vs controls and 9L vs controls). Histopathological examination of the rats injected with 9L gliosarcoma revealed that all animals developed highly cellular, well-circumscribed lesions causing compression of the surrounding tissue, with minimal invasion of the surrounding gray and white matter. Histopathological examination of animals injected with GBM neurospheres revealed that all animals developed infiltrative lesions with a high degree of white and gray matter invasion along with areas of necrosis.
Conclusions
The authors have established a novel animal model of spinal cord glioma using neurospheres derived from human GBM. When injected into the spinal cords of athymic nude rats, neurospheres gave rise to infiltrative, actively proliferating tumors that were histologically identical to spinal cord glioma in humans. On the basis of their results, the authors conclude that this is a reproducible animal model of high-grade spinal cord glioma based on a human GBM neurosphere line. This model represents an improvement over other models using nonhuman glioma cell lines. Novel therapeutic strategies can be readily evaluated using this model.
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Nagasawa DT, Smith ZA, Cremer N, Fong C, Lu DC, Yang I. Complications associated with the treatment for spinal ependymomas. Neurosurg Focus 2011; 31:E13. [DOI: 10.3171/2011.7.focus11158] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Spinal cord ependymomas are rare neoplasms, comprising approximately 5% of all CNS tumors and 15% of all spinal cord tumors. Although surgery was once reserved for diagnosis alone, the evolution of surgical practices has elevated resection to the treatment of choice for these lesions. While technological advances continue to improve the capacity for gross-total resections and thus decrease the risk of recurrence, ependymoma spinal surgery still contains a variety of potential complications. The presence of neurological deficits and deterioration are not uncommonly associated with spinal cord ependymoma surgery, including sensory loss, dorsal column dysfunction, dysesthetic syndrome, and bowel and bladder dysfunction, particularly in the immediate postoperative period. Surgical treatment may also lead to wound complications and CSF leaks, with increased risk when radiotherapy has been involved. Radiation therapy may also predispose patients to radiation myelopathy and ultimately result in neurological damage. Additionally, resections of spinal ependymomas have been associated with postoperative spinal instability and deformities, particularly in the pediatric population. Despite the advances in microsurgical techniques and intraoperative cord monitoring modalities, there remain a number of serious complications related to the treatment of spinal ependymoma tumors. Identification and acknowledgment of these potential problems may assist in their prevention, early detection, and increased quality of life for patients afflicted with this disease.
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Affiliation(s)
- Daniel T. Nagasawa
- 1Department of Neurological Surgery, University of California Los Angeles; and
| | - Zachary A. Smith
- 2Los Angeles Spine Clinic, Good Samaritan Hospital, Los Angeles, California
| | - Nicole Cremer
- 1Department of Neurological Surgery, University of California Los Angeles; and
| | - Christina Fong
- 1Department of Neurological Surgery, University of California Los Angeles; and
| | - Daniel C. Lu
- 1Department of Neurological Surgery, University of California Los Angeles; and
| | - Isaac Yang
- 1Department of Neurological Surgery, University of California Los Angeles; and
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Kahn J, Loeffler JS, Niemierko A, Chiocca EA, Batchelor T, Chakravarti A. Long-Term Outcomes of Patients With Spinal Cord Gliomas Treated by Modern Conformal Radiation Techniques. Int J Radiat Oncol Biol Phys 2011; 81:232-8. [DOI: 10.1016/j.ijrobp.2010.05.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 05/07/2010] [Accepted: 05/12/2010] [Indexed: 11/16/2022]
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Chamberlain MC, Tredway TL. Adult primary intradural spinal cord tumors: a review. Curr Neurol Neurosci Rep 2011; 11:320-8. [PMID: 21327734 DOI: 10.1007/s11910-011-0190-2] [Citation(s) in RCA: 178] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Primary spinal cord tumors constitute 2% to 4% of all central nervous system neoplasms and are characterized based on their location as intramedullary, intradural extramedullary, and extradural. A contemporary literature review of primary intradural spinal cord tumors was performed. Among intramedullary tumors, ependymomas are more common and often can be surgically resected. However, astrocytomas infiltrate the spinal cord and complete resection is rare. Intradural extramedullary tumors include schwannomas, neurofibromas, and meningiomas and are usually amenable to surgical resection. Radiotherapy is reserved for malignant variants and recurrent gliomas, whereas chemotherapy is administered for recurrent primary spinal cord tumors without surgical or radiotherapy options. Early recognition of the signs and symptoms related to primary spinal cord tumors facilitates timely discovery, treatment, potentially minimizes neurologic morbidity, and may improve outcome. Treatment consists of surgical resection, and predictors of outcome include preoperative functional status, histologic grade of tumor, and extent of surgical resection.
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Affiliation(s)
- Marc C Chamberlain
- Department of Neurology/Division of Neuro-OncologyFred Hutchinson Cancer Research Center, Seattle Cancer Care Alliance, University of Washington, 825 Eastlake Avenue East, POB 19023, MS G4940, Seattle, WA 98109-1023, USA.
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Platelet-derived growth factor receptor (PDGFR) expression in primary spinal cord gliomas. J Neurooncol 2011; 106:235-42. [PMID: 21789698 DOI: 10.1007/s11060-011-0666-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Accepted: 07/06/2011] [Indexed: 02/06/2023]
Abstract
Abnormal signaling through the platelet-derived growth factor receptor (PDGFR) has been proposed as a possible mechanism of spinal cord glioma initiation and progression. However, the extent of PDGFR expression in human spinal cord gliomas remains unknown. In this study we perform immunohistochemical analysis of PDGFRα expression in a series of 33 primary intramedullary spinal cord gliomas of different types and grades. PDGFRα was seen to be expressed in a significant subset of these tumors across all major glioma types including ependymoma, oligodendroglioma, pilocytic astrocytoma, astrocytoma, and glioblastoma. These results support the hypothesis that growth factor signaling through the PDGFR may be important for the development of at least a subset of human spinal cord gliomas. Further studies investigating the prognostic significance of PDGFR expression as well as the role of PDGF signaling on the development of intramedullary spinal cord gliomas are warranted.
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Abstract
BACKGROUND Astrocytomas of the spinal cord have rarely been reported. We examined our experience, treatment and outcome of patients treated during the last four years. MATERIAL AND METHODS We reviewed the charts from patients treated for this neoplasm in a multidisciplinary team of Granada, Spain. The information was retrospectively obtained from the patients' hospital records. The patients were evaluated with clinical history, physical exam, spinal magnetic resonance (MR), surgery, location and histology, treatment, and follow-up. RESULTS In the last four years, we have treated 37 astrocytomas, of which only 3 were intramedullary. All patients underwent surgery, radiotherapy and chemotherapy. Two patients died, but one is alive and practically asymptomatic. CONCLUSION The optimal treatment remains controversial. Radiotherapy should be considered for tumors with high-grade histopathology, clinically progressive and when a substantial resection cannot be achieved. New therapeutic strategies need to be studied to improve survival.
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Kucia EJ, Bambakidis NC, Chang SW, Spetzler RF. Surgical technique and outcomes in the treatment of spinal cord ependymomas, part 1: intramedullary ependymomas. Neurosurgery 2011; 68:57-63; discussion 63. [PMID: 21206303 DOI: 10.1227/neu.0b013e318208f181] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Intramedullary spinal ependymomas are rare tumors. OBJECTIVE To provide a large retrospective review in the modern neuroimaging era from a tertiary center where aggressive surgical resection is favored. METHODS Charts of intramedullary spinal ependymomas treated between 1983 and 2006 were reviewed. RESULTS Sixty-seven cases were reviewed. The mean age was 45.6 years (range, 11-78 years) with a male-to-female ratio of 2:1. The most common location was the cervical spine, followed by the thoracic and lumbar spine. The average duration of symptoms was 33 months, with the most common symptom being pain and/or dysesthesias, followed by weakness, numbness, and urinary or sexual symptoms. Gross total resection was achieved in 55 patients and a subtotal resection was performed in 12 patients; 9 patients were treated with adjuvant radiation therapy. Mean follow-up was 32 months. The mean McCormick neurological grade at last follow-up was 2.0. The preoperative outcome correlated significantly with postoperative outcome (P < .001). A significant number of patients who initially worsened improved at their 3-month follow-up examination. Outcomes were significantly worse in patients undergoing subtotal resection with or without radiation therapy (P < .05). There were 3 recurrences. The overall complication rate was 34%. The primary complications were wound infections or cerebrospinal fluid leaks. CONCLUSION Spinal cord ependymomas are difficult lesions to treat. Aggressive surgical resection is associated with a high overall complication rate. However, when gross total resection can be achieved, overall outcomes are excellent and the recurrence rate is low.
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Affiliation(s)
- Elisa J Kucia
- Division of Neurological Surgery, Barrow Neurological Institute, St Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
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Halvorsen CM, Kolstad F, Hald J, Johannesen TB, Krossnes BK, Langmoen IA, Lied B, Rønning P, Skaar S, Spetalen S, Helseth E. Long-term outcome after resection of intraspinal ependymomas: report of 86 consecutive cases. Neurosurgery 2011; 67:1622-31; discussion 1631. [PMID: 21107192 DOI: 10.1227/neu.0b013e3181f96d41] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND OBJECTIVE To evaluate progression-free survival, overall survival (OS) and long-term clinical outcome in a consecutive series of 86 patients with intraspinal ependymomas. METHODS Medical charts were retrospectively reviewed. Surviving patients voluntarily participated in a clinical history and physical examination that focused on neurological function and current tumor status. RESULTS Follow-up data are nearly 100% complete; mean follow-up time was 82 months. Eighty-five patients (99%) had surgery as a first-line treatment; 14 (17%) of these patients received adjuvant radiotherapy. Of the 85 patients who underwent primary surgery, gross total resection was performed in 60 patients (71%) and subtotal resection in 25 patients (29%). Ten-year progression-free survival rate was 75%; 5-year OS, 97%; and 10-year OS, 91%. Reduced preoperative neurological function and older age at diagnosis were significantly associated with increased risk of death. At follow-up, spontaneous regression of residual tumor after primary surgery may have occurred in 7 of 19 patients (37%). More than 75% of patients had neurological function compatible with an independent life at follow-up. Good preoperative neurological function was significantly associated with favorable outcome. It was not possible to evaluate the effect of radiotherapy on progression-free survival and OS. CONCLUSION Gross total resection remains the optimal treatment for patients with spinal ependymoma. Patients should be monitored with a clinical examination and magnetic resonance imaging at regular intervals up to 10 years after surgery.
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Affiliation(s)
- Charlotte Marie Halvorsen
- Faculty of Medicine, University of Oslo, and Department of Neurosurgery, Oslo University Hospital, Ullevål, Oslo, Norway.
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Engelhard HH, Villano JL, Porter KR, Stewart AK, Barua M, Barker FG, Newton HB. Clinical presentation, histology, and treatment in 430 patients with primary tumors of the spinal cord, spinal meninges, or cauda equina. J Neurosurg Spine 2010; 13:67-77. [PMID: 20594020 DOI: 10.3171/2010.3.spine09430] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Patients having a primary tumor of the spinal cord, spinal meninges or cauda equina, are relatively rare. Neurosurgeons encounter and treat such patients, and need to be aware of their clinical presentation, tumor types, treatment options, and potential complications. The purpose of this paper is to report results from a series of 430 patients with primary intraspinal tumors, taken from a larger cohort of 9661 patients with primary tumors of the CNS. METHODS Extensive information on individuals diagnosed (in the year 2000) as having a primary CNS neoplasm was prospectively collected in a Patient Care Evaluation Study conducted by the Commission on Cancer of the American College of Surgeons. Data from US hospital cancer registries were submitted directly to the National Cancer Database. Intraspinal tumor cases were identified based on ICD-O-2 topography codes C70.1, C72.0, and C72.1. Analyses were performed using SPSS. RESULTS Patients with primary intraspinal tumors represented 4.5% of the CNS tumor group, and had a mean age of 49.3 years. Pain was the most common presenting symptom, while the most common tumor types were meningioma (24.4%), ependymoma (23.7%), and schwannoma (21.2%). Resection, surgical biopsy, or both were performed in 89.3% of cases. Complications were low, but included neurological worsening (2.2%) and infection (1.6%). Radiation therapy and chemotherapy were administered to 20.3% and 5.6% of patients, respectively. CONCLUSIONS Data from this study are suitable for benchmarking, describing prevailing patterns of care, and generating additional hypotheses for future studies.
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Affiliation(s)
- Herbert H Engelhard
- Departments of Neurosurgery, University of Illinois at Chicago Medical Center, Chicago, Illinois, USA.
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Chamberlain MC, Johnston SK. Recurrent spinal cord glioblastoma: salvage therapy with bevacizumab. J Neurooncol 2010; 102:427-32. [PMID: 20680397 DOI: 10.1007/s11060-010-0330-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2010] [Accepted: 07/21/2010] [Indexed: 11/25/2022]
Abstract
Primary spinal cord tumors constitute 2-4% of all primary central nervous system malignancies in adults of which less than 5% are glioblastoma. A retrospective evaluation to determine toxicity and response to bevacizumab in patients with recurrent spinal cord glioblastoma. Six patients (4 males; 2 females: median age 34 years) with recurrent spinal cord glioblastoma were treated with bevacizumab (10 mg/kg given once every 2 weeks wherein 2 treatments constituted a cycle of therapy). All patients had failed surgery and temozolomide-based chemoradiotherapy and post-radiotherapy temozolomide. Blood counts, chemistry panel, urine protein to creatinine ratio and neurologic examination were obtained bi-weekly. Contrast-enhanced spine MRI was performed after one cycle of therapy and thereafter following every two cycles of bevacizumab. Treatment-related complications included fatigue in six patients, constipation in 4, hypertension in 2, venous thrombosis in 2, and infection without neutropenia in 2. There were three grade 3 toxicities (1 each fatigue, leukopenia and venous thrombosis). There were no treatment-related deaths. After one cycle of bevacizumab, one patient (17%) demonstrated progressive disease, 2 (34%) partial responses and three (51%) stable disease. Overall median response or stable disease duration (disease free progression) was 7 months (range 3-11 months). Overall median survival was 9 months (range of 5-13 months). Bevacizumab is well tolerated, has tolerable toxicity and apparent activity in this small cohort of adults with recurrent spinal cord glioblastoma.
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Affiliation(s)
- Marc C Chamberlain
- Department of Neurology and Neurological Surgery, Seattle Cancer Care Alliance, University of Washington/Fred Hutchinson Cancer Research Institute, 825 Eastlake Ave E, POB 19023, MS G4940, Seattle, WA 98109-1023, USA.
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Raco A, Piccirilli M, Landi A, Lenzi J, Delfini R, Cantore G. High-grade intramedullary astrocytomas: 30 years' experience at the Neurosurgery Department of the University of Rome "Sapienza". J Neurosurg Spine 2010; 12:144-53. [PMID: 20121348 DOI: 10.3171/2009.6.spine08910] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT The goal in this study was to review a series of patients who underwent surgical removal of intramedullary high-grade gliomas, focusing on the functional outcome, recurrence rates, and technical problems continually debated in neurosurgical practice. METHODS Between December 1976 and December 2006, 22 patients underwent removal of intramedullary high-grade gliomas. Lesions were located in the cervical spinal cord in 12 patients, and in the thoracic cord in 10. RESULTS Histological examinations showed 10 Grade III astrocytomas and 12 glioblastomas. Only 2 of the 22 high-grade astrocytomas could be completely removed. The clinical postoperative status worsened in 14 patients (63.6%), was unchanged in 7 patients (31.8%), and there was 1 case of intraoperative death (4.5%). None of the 22 patients showed improvement in their neurological status postoperatively. In this series, excluding the 1 intraoperative death, all patients died of progression of the malignancy. CONCLUSIONS Surgical treatment did not ameliorate the postoperative neurological status; instead, in the majority of cases, it prompted a worsening of the deficit. Radiotherapy and chemotherapy have a little influence on the length of survival. In this series, multimodality treatment of intramedullary high-grade astrocytomas has been shown to increase length of survival without improving the neurological status.
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Affiliation(s)
- Antonino Raco
- Department of Neurological Sciences, Neurosurgery, University of Rome Sapienza, Rome
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Adam Y, Benezech J, Blanquet A, Fuentes JM, Bousigue JY, Debono B, Duplessis E, Espagno C, Plas JY, Lescure JP, Destandau J, Hladky JP, Grunewald P, Mahla K, Remond J, Louis E. [Intramedullary tumors. Results of a national investigation in private neurosurgery]. Neurochirurgie 2010; 56:344-9. [PMID: 20097390 DOI: 10.1016/j.neuchi.2009.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Accepted: 06/18/2009] [Indexed: 11/25/2022]
Abstract
UNLABELLED The frequency of intramedullary tumors is 0.5 cases per year for 100,000 inhabitants. The study reported herein was a retrospective study conducted from January 1985 to September 2007. MATERIAL Seventy-nine cases were distributed in the following manner: ependymomas, 38; astrocytomas, 22; oligodendrogliomas, four; gangliogliomas, two; hemangioblastomas, 10 (nine sporadic cases and one case of Von Hippel-Lindau disease); primitive melanoma, one; and intramedullary neurinomas, two. Three patients were lost to follow-up and 10 patients died. METHOD All patients were explored using MRI and were operated using a microsurgical technique. Tumor removal was complete in the cases of ependymoma and hemangioblastoma and subtotal in the cases of astrocytoma. RESULTS Ependymoma: 38 cases with three cases of ependymoblastoma. Mean age: 47 years (range, 17-74 years); 17 males and 21 females. Diagnostic delay: less than one year, 11; one year, 15 cases; two years, nine cases; three years, three cases. Seven recurrences with one 35 years after a prior removal. Localizations: cervical and cervicodorsal, 19; dorsal, ten; dorsolumbar, seven; holomedullary, one. Number of levels concerned: 5-12 (with the cysts associated). Mean follow-up was 10 years (range, two months to 35 years). Patients stabilized, 19; worse, six; improved, nine. Patients deceased: four, one by suicide, three cases of ependymoblastoma (survival, seven months). Astrocytomas: 22 cases, with 14 cases of astrocytoma, two pilocytic astrocytoma, four malignant astrocytoma, and two glioblastoma. Mean age: 44 years (range, 22-73 years); 14 males and eight females. Diagnostic delay: malignant tumors, one to nine months; low grades; three to six years (range, eight months to 25 years). Number of levels concerned: two to eight. Mean follow-up: seven years (range, six months to 10 years). Stabilized patients: 13; worse, five; deaths, four. Oligodendroglioma: four cases. Mean age: 58 years; two males and two females. Diagnostic delay: 10months. Localization: cervical, three; dorsal, one. Oligodendroglioma A, two; B, two. Results: two cases stabilized, one case with recurrence, and one patient deceased. Ganglioglioma: two. Both cases were associated with scoliosis. Recurrence in the eighth month and two years for the second case. One patient died. Hemangioblastoma: 10 cases, nine sporadic and one case of Von Hippel-Lindau disease. Nine cervical localizations, one on the medulla cone. Mean age: 45 years (range, 11-54 years); eight males and two females. Total removal in nine cases. One case of recurrence seven years after a prior surgery and operated a second time with no recurrence after 10 years of follow-up. Intramedullary neurinomas: two cases with a total removal and 15 years of follow-up. Primitive melanoma: one case with mediothoracic location. Treatment with surgery plus radiotherapy. Follow-up, seven years without recurrence. CONCLUSION Total removal of the intramedullary tumors is a challenge. In cases of removal, the risk of worsening status is 18-19.5%. Subtotal or incomplete removal 27-40% risk of recurrence.
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Affiliation(s)
- Y Adam
- Clinique Saint-Martin, 14050 Caen, France
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Abstract
Primary spinal cord tumors represent 2-4% of all neoplasms of the CNS. Primary spinal cord tumors are anatomically separable into two broad categories: intradural intramedullary and intradural extramedullary. Intramedullary tumors are comprised predominantly of gliomas (infiltrative astrocytomas and ependymomas). Resective surgery can usually be accomplished with spinal ependymomas owing to separation of tumor from spinal cord and, when complete, require no further therapy. By contrast, spinal cord gliomas infiltrate the myelon and, consequently, surgery is nearly always incomplete. Involved-field radiotherapy is most often administered after partial resection. Intradural extramedullary tumors are either peripheral nerve sheath tumors (neurofibromas or schwanommas) or meningiomas. In either instance, complete resection may be accomplished and is often curative. Radiotherapy is reserved for rare malignant variants and for patients in whom surgery is contraindicated. Chemotherapy is administered for recurrent primary spinal cord tumors without other options, that is, reoperation or re-irradiation. Problematic, however, is the lack of clinical trials in general for these CNS tumors and for spinal cord tumors in particular. Consequently, treatment is similar to that for intracranial tumors with a similar histology. Early recognition of the signs and symptoms of primary spinal cord tumors allows for early treatment, potentially minimizes neurologic morbidity and improves outcome. Primary treatment is surgery in essentially all spinal cord tumors, and predictors of outcome include preoperative functional status, histological grade of tumor and extent of surgical resection.
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Affiliation(s)
- Sean Grimm
- University of Washington, Department of Neurology/Division of Neuro-Oncology, Fred Hutchinson Cancer Research Center, Seattle Cancer Care Alliance, 825 Eastlake Avenue E, POB 19023, MS G4940, Seattle, WA 98109-1023, USA
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