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Perumalsamy NK, Hemalatha C. Cis-regulatory elements (CREs) in spinal solitary fibrous tumours. Meta Gene 2022. [DOI: 10.1016/j.mgene.2022.101025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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2
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Badawy M, Nada A, Crim J, Kabeel K, Layfield L, Shaaban A, Elsayes KM, Gaballah AH. Solitary fibrous tumors: Clinical and imaging features from head to toe. Eur J Radiol 2021; 146:110053. [PMID: 34856518 DOI: 10.1016/j.ejrad.2021.110053] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 09/03/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022]
Abstract
Solitary fibrous tumors (SFTs) are rare fibroblastic mesenchymal tumors that are usually benign with variable malignant potential. They can develop in any organ due to their spindle cell origin. The exact etiology of solitary fibrous tumors is unknown. The majority of SFTs are benign with 10-30% of them exhibiting aggressive and malignant features. The aggressiveness of this type of tumor is not associated with its histological features, which makes surgical resection the treatment of choice. We will review the clinical and radiological features and possible differential diagnoses of SFTs according to their anatomical sites following the World Health Organization 2020 classification.
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Affiliation(s)
- Mohamed Badawy
- Department of Diagnostic Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States.
| | - Ayman Nada
- Department of Radiology, University of Missouri Health Care, Columbia, MO, United States.
| | - Julia Crim
- Department of Radiology, University of Missouri Health Care, Columbia, MO, United States.
| | - Khalid Kabeel
- Department of Radiology, University of Missouri Health Care, Columbia, MO, United States.
| | - Lester Layfield
- Department of Pathology, University of Missouri Health Care, Columbia, MO, United States.
| | - Akram Shaaban
- Department of Diagnostic Imaging, University of Utah, Salt Lake City, UT, United States.
| | - Khaled M Elsayes
- Department of Diagnostic Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States.
| | - Ayman H Gaballah
- Department of Radiology, University of Missouri Health Care, Columbia, MO, United States.
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3
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Rodríguez-Mena R, Piquer-Belloch J, Llácer-Ortega JL, Riesgo-Suárez P, Rovira-Lillo V, Flor-Goikoetxea-Gamo A, Cremades-Mira A, Mut-Pons R. Cervical intramedullary solitary fibrous tumor: Case report and review of the literature. Surg Neurol Int 2020; 11:468. [PMID: 33500806 PMCID: PMC7827366 DOI: 10.25259/sni_698_2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 11/09/2020] [Indexed: 11/25/2022] Open
Abstract
Background: Solitary fibrous tumors (SFTs) are benign tumors derived from mesenchymal tissues that predominantly occur in the pleura. Establishing the diagnosis of these very rare intramedullary spinal lesions, with no clear-cut pathognomonic radiographic characteristics, is particularly challenging. Case Description: Two males, 30 and 41 years of age, presented with progressive cervical myelopathies attributed to a cervical intramedullary exophytic tumor with associated spinal cord edema. One patient showed that the lesion was highly vascularized. Both patients underwent surgical excision of firm, solid, focal, and, particularly in one of them, very vascular/hemorrhagic tumors; at surgery, there was some adherence between the tumors and the cord tissue, but gross-total resections were achieved in both cases, demonstrated on postoperative MR scans. Histological and immunohistochemical findings confirmed the diagnosis of SFT (WHO Grade I). After a 6-month postoperative period, both patients neurologically improved and had no MR evidence of tumor recurrence. Conclusion: Intramedullary cervical exophytic SFTs are extremely rare. Although these solid tumors may present with hemorrhagic features and at surgery demonstrate significant adherence to the pial/cord surface, complete surgical resections are feasible resulting in good outcomes.
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Affiliation(s)
- Ruben Rodríguez-Mena
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - José Piquer-Belloch
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - Jose Luis Llácer-Ortega
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - Pedro Riesgo-Suárez
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - Vicente Rovira-Lillo
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - Alain Flor-Goikoetxea-Gamo
- Department of Neurosurgery, Hospital Universitario de la Ribera, Cátedra de Neurociencias - Fundación Vithas - CEU, Spain
| | - Antonio Cremades-Mira
- Department of Pathology, Hospital Universitario de la Ribera, Carretera de Corbera, Alzira, Valencia, Spain
| | - Raúl Mut-Pons
- Department of Radiology, Hospital Universitario de la Ribera, Carretera de Corbera, Alzira, Valencia, Spain
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Abstract
Solitary fibrous tumors (SFTs) are rare mesenchymal neoplasms of fibroblastic origin. They commonly arise from visceral pleura, but also arise from nonserosal sites such as meninges, central nervous system parenchyma, and spinal cord. In the spinal cord, SFTs commonly arise from the thoracic spinal cord, followed by cervical spinal cord, lumbar spinal cord, and sacrum. Histologically, SFTs can be similar to hemangiopericytoma, schwannoma, fibrous meningioma, fibroma, gliofibroma, and ependymoma. Immunohistochemistry (IHC) plays an important role in differentiating SFTs from other identical tumors. Here, we report a rare case of SFT of the cervical spinal cord, which was initially reported as hemangiopericytoma, and the diagnosis of SFT was confirmed by IHC.
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Affiliation(s)
- Mallikarjuna Rao Koduru
- Department of Radiotherapy and Oncology, K. S. Hegde Medical Academy, Mangalore, Karnataka, India
| | - Sandeep Ail
- Department of Radiotherapy and Oncology, K. S. Hegde Medical Academy, Mangalore, Karnataka, India
| | - Jayarama Shetty
- Department of Radiotherapy and Oncology, K. S. Hegde Medical Academy, Mangalore, Karnataka, India
| | - Vijith Shetty
- Department of Radiotherapy and Oncology, K. S. Hegde Medical Academy, Mangalore, Karnataka, India
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5
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Primary intra and extradural solitary fibrous tumor/hemangiopericytoma of thoracic spine with paravertebral intrathoracic spread: Case report and review of the literature. INTERDISCIPLINARY NEUROSURGERY 2020. [DOI: 10.1016/j.inat.2020.100746] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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6
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Glauser G, Sharma N, Kritikos M, Malhotra NR, Choudhri O. Cervical, Intradural Extramedullary Solitary Fibrous Tumor of the Spinal Cord: A Case Report and Review of the Literature. Asian J Neurosurg 2020; 15:204-209. [PMID: 32181204 PMCID: PMC7057895 DOI: 10.4103/ajns.ajns_213_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 10/25/2019] [Indexed: 12/18/2022] Open
Abstract
Solitary fibrous tumors (SFTs) are rare, spindle cell neoplasms of the mesenchymal origin. Lesions localized to the spine are exceptionally uncommon, only described in the literature in case reports and small case series. While these lesions are typically benign, there are a few reports in which they recur or present as malignancies. The patient presented in the case herein was a 72-year-old male, who presented with a 1-year history of lower extremity weakness, pain, and numbness and was found to have a cervical, intradural extramedullary tumor. In addition to the case report, the authors perform a thorough review of all previously published cases of spinal SFT.
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Affiliation(s)
- Gregory Glauser
- Department of Neurological Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nikhil Sharma
- Department of Neurological Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael Kritikos
- Department of Neurological Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Neil Rainer Malhotra
- Department of Neurological Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Omar Choudhri
- Department of Neurological Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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7
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Yang C, Xu Y, Liu X. Spinal Intramedullary Solitary Fibrous Tumor: A Rare and Challenging Diagnosis. Cancer Manag Res 2019; 11:10321-10326. [PMID: 31849521 PMCID: PMC6911315 DOI: 10.2147/cmar.s231019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 12/03/2019] [Indexed: 11/29/2022] Open
Abstract
Background Solitary fibrous tumor (SFT) is a benign neoplasm arising in the soft tissue, which can occur anywhere in the body, while it is predominantly found in the visceral pleura. Spinal SFT is quite uncommon, with limited cases having been reported in the literature; especially, SFT occurring in the intramedullary site is extremely rare. Case presentation We present a case of a 35-year-old woman presenting with progressive numbness and weakness in the legs and urinary incontinence. Magnetic resonance imaging (MRI) showed an intramedullary lesion with bright enhancement. A diagnosis of spinal hemangioblastoma was suspected, and thus a three-dimensional computed tomographic angiography reconstruction was requested, which also demonstrated an angiomatous lesion. The tumor was completely resected under neurophysiological monitoring. However, histopathological and immunohistochemical examinations revealed an SFT. No adjuvant radiotherapy or chemotherapy was scheduled. The symptoms were relieved completely, and no recurrence or progression was noted during the follow-up. Conclusion Though SFT has been considered similar to malignant hemangiopericytoma and the histological classification has always been controversial, the intramedullary location and benign behavior in the present case add to the current understandings of this extremely rare entity.
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Affiliation(s)
- Chenlong Yang
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, People's Republic of China
| | - Yulun Xu
- Department of Neurosurgery, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, People's Republic of China
| | - Xiaoguang Liu
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, People's Republic of China
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8
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Wang S, Guan J, Liu M, Li S, Jiang C. Solitary fibrous tumor in the subcutaneous soft tissues of the left abdominal wall: A case report. Clin Case Rep 2019; 7:1370-1373. [PMID: 31360490 PMCID: PMC6637379 DOI: 10.1002/ccr3.2217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/16/2019] [Accepted: 04/30/2019] [Indexed: 12/31/2022] Open
Abstract
Solitary fibrous tumor (SFT) derived from the abdominal wall is rare. We report a case of SFT in the abdominal wall. When abdominal computed tomography reveals soft-tissue mass and analysis of preoperative needle biopsy reveals spindle cell tumor, the possibility of SFT should be considered.
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Affiliation(s)
- Shuanhu Wang
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Jiajia Guan
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Mulin Liu
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Shiqing Li
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
| | - Congqiao Jiang
- Department of Gastrointestinal SurgeryThe First Affiliated Hospital of Bengbu Medical CollegeBengbuChina
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9
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Wang J, Zhao K, Han L, Jiao L, Liu W, Xu Y, Niu H, Ke C, Shu K, Lei T. Solitary Fibrous Tumor/Hemangiopericytoma of Spinal Cord: A Retrospective Single-Center Study of 16 Cases. World Neurosurg 2018; 123:e629-e638. [PMID: 30554000 DOI: 10.1016/j.wneu.2018.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 11/30/2018] [Accepted: 12/03/2018] [Indexed: 01/17/2023]
Abstract
OBJECTIVE In this study, we retrospectively reviewed our experience in the surgical management of solitary fibrous tumor (SFT)/hemangiopericytomas (HPCs) of the spinal cord. METHODS Sixteen patients with SFT/HPCs of the spinal cord were enrolled in this study. Data on clinical presentation, radiologic findings, histopathologic features, surgical treatment, adjuvant therapy, and prognosis were retrospectively reviewed. Kaplan-Meier curves and log-rank tests were used to identify the prognostic factors for recurrence and overall survival (OS). RESULTS Our series included 6 men and 10 women, with a male/female ratio of 1:1.7. Magnetic resonance imaging (MRI) showed slightly hyperintense lesions on T2-weighted images for all 16 patients. All tumors showed positive immunohistochemical staining for signal transducer and activator of transcription 6. Statistical analysis of clinical data showed that age, gender, tumor location, tumor size, medullary compartment location, and Ki-67 index were not associated with recurrence and OS (P > 0.05). However, World Health Organization grade III was significantly associated with recurrence (P < 0.01). Gross total resection (GTR) and postoperative radiotherapy significantly reduced recurrence (P < 0.01 and P < 0.05), but only GTR showed remarkable benefits to improve OS (P < 0.05). CONCLUSIONS SFT/HPCs of spinal cord are rare neoplasms with a propensity to recur. Hyperintensity on T2-weighted magnetic resonance imaging combined with positive immunohistochemical staining for signal transducer and activator of transcription 6 are important clues for classification and differentiation of these tumors. The extent of resection, World Health Organization grade, and postoperative radiotherapy might be predictive factors for recurrence. Complete tumor resection should be sought whenever possible, and adjuvant radiotherapy is recommended after surgical resection. Moreover, regular and long-term follow-up is mandatory to monitor recurrence.
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Affiliation(s)
- Junwen Wang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Zhao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Han
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liwu Jiao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weihua Liu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Xu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongquan Niu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Changshu Ke
- Department of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Shu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Ting Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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10
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Albert GW, Gokden M. Solitary fibrous tumors of the spine: a pediatric case report with a comprehensive review of the literature. J Neurosurg Pediatr 2017; 19:339-348. [PMID: 28106515 DOI: 10.3171/2016.10.peds16279] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Solitary fibrous tumors of the spine are rare lesions. Their description in the literature is limited to case reports and small case series. While generally benign lesions, they can recur and occasionally occur as malignancies. Here the authors present the case of a 10-year-old boy, the youngest patient and first preadolescent reported thus far, with this condition. In addition, they perform a comprehensive review of all previously published cases of spinal solitary fibrous tumors.
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Affiliation(s)
- Gregory W Albert
- Division of Neurosurgery, Arkansas Children's Hospital; and.,Departments of 2 Neurosurgery and
| | - Murat Gokden
- Pathology, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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11
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Walker CT, Amene CS, Pannell JS, Santiago-Dieppa DR, Rennert RC, Hansen LA, Khalessi AA. Hemorrhagic intramedullary solitary fibrous tumor of the conus medullaris: case report. J Neurosurg Spine 2015; 23:438-43. [DOI: 10.3171/2015.1.spine13915] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The differential diagnosis of spinal tumors is guided by anatomical location and imaging characteristics. Diagnosis of rare tumors is made challenging by abnormal features. The authors present the case of a 47-year-old woman who presented with progressive subacute right lower-extremity weakness and numbness of the right thigh. Physical examination further revealed an extensor response to plantar reflex on the right and hyporeflexia of the right Achilles and patellar reflexes. Magnetic resonance imaging of the lumbar spine demonstrated an 8-mm intramedullary exophytic nodule protruding into a hematoma within the conus medullaris. Spinal angiography was performed to rule out an arteriovenous malformation, and resection with hematoma evacuation was completed. Pathological examination of the resected mass demonstrated a spindle cell neoplasm with dense bundles of collagen. Special immunostaining was performed and a diagnosis of solitary fibrous tumor (SFT) was made. SFTs are mesenchymally derived pleural neoplasms, which rarely present at other locations of the body, but have been increasingly described to occur as primary neoplasms of the spine and CNS. The authors believe that this case is unique in its rare location at the level of the conus, and also that this is the first report of a hemorrhagic SFT in the spine. Therefore, with this report the authors add to the literature the fact that this variant of an increasingly understood but heterogeneous tumor can occur, and therefore should be considered in the differential of clinically similar tumors.
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Affiliation(s)
- Corey T. Walker
- 1Division of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Chiazo S. Amene
- 2Division of Neurosurgery, University of California-San Diego; and
| | | | | | | | - Lawrence A. Hansen
- 3Department of Pathology, University of California-San Diego, California
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Bruder M, Tews D, Mittelbronn M, Capper D, Seifert V, Marquardt G. Intramedullary Solitary Fibrous Tumor—A Benign Form of Hemangiopericytoma? Case Report and Review of the Literature. World Neurosurg 2015; 84:189.e7-189.e12. [DOI: 10.1016/j.wneu.2015.02.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 02/25/2015] [Accepted: 02/26/2015] [Indexed: 12/18/2022]
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13
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Hwang US, Kim SB, Jo DJ, Kim SM. Intramedullary solitary fibrous tumor of cervicothoracic spinal cord. J Korean Neurosurg Soc 2014; 56:265-8. [PMID: 25368773 PMCID: PMC4217067 DOI: 10.3340/jkns.2014.56.3.265] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 08/13/2014] [Accepted: 09/06/2014] [Indexed: 11/27/2022] Open
Abstract
Solitary fibrous tumor is rare benign mesenchymal neoplasm. The spinal solitary fibrous tumor is extremely rare. The authors experienced a case of intramedullary solitary fibrous tumor of cervicothoracic spinal cord in a 48-year-old man with right lower extremity sensory disturbance. Spinal MRI showed intradural mass lesion in the level of C7-T1, the margin between the spinal cord and tumor was not clear on MRI. A Left unilateral laminectomy and mass removal was performed. Intra operative finding, the tumor boundary was unclear from spinal cord and it had intramedullary and extramedullary portion. After surgery, patient had good recovery and had uneventful prognosis. Follow up spinal MRI showed no recurrence of tumor.
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Affiliation(s)
- Ui Seung Hwang
- Department of Neurosurgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Sung Bum Kim
- Department of Neurosurgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Dae Jean Jo
- Department of Neurosurgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Sung Min Kim
- Department of Neurosurgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
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14
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Solitary fibrous tumour with intramedullary component: Case report and review of the literature. Neurol Neurochir Pol 2014; 48:144-9. [DOI: 10.1016/j.pjnns.2013.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 09/02/2013] [Indexed: 11/20/2022]
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15
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Comprehensive genome characterization of solitary fibrous tumors using high‐resolution array‐based comparative genomic hybridization. Genes Chromosomes Cancer 2012; 52:156-64. [DOI: 10.1002/gcc.22015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Accepted: 09/07/2012] [Indexed: 11/07/2022] Open
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Kasper E, Boruchow S, Lam FC, Zinn PO, Anderson M, Mahadevan A. "Hitting all the right markers to save a life" Solitary fibrous tumors of the central nervous system: Case series and review of the literature. Surg Neurol Int 2012; 3:83. [PMID: 22937483 PMCID: PMC3424684 DOI: 10.4103/2152-7806.99173] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 06/11/2012] [Indexed: 12/16/2022] Open
Abstract
Background: Solitary fibrous tumors (SFTs) of the central nervous system are uncommon. Their biological features remain largely unknown; hence, the clinical management and prognosis is often challenging due to the lack of comprehensive data. For this reason, we present two cases of large SFTs to illustrate a comprehensive review. Methods: This was a retrospective analysis of two patients: a 65-year-old male with a left parietooccipital lesion and a 70-year-old female with a right parietal convexity mass. Results: Gross total resection was performed in the male patient with no recurrence 30 months after resection. The second patient received stereotactic radiosurgery for what was initially thought to be a parafalcine meningioma; however, continued growth 1 year later prompted an open resection, with pathology indicative of an SFT. The tumor recurred the following year requiring repeat resection. Unfortunately, due to the aggressive nature of the lesion, the patient eventually succumbed to tumor burden a year later. Conclusion: Based on the literature review, the sometimes observed aggressive growth pattern, and also, the potential for malignant transformation, we recommend complete resection of SFTs with close sequential follow-up.
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Affiliation(s)
- Ekkehard Kasper
- Division of Neurosurgery, Beth Israel Deaconess Medical Centre, Harvard University, Boston, Massachusetts, USA
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Wu Y, Huang B, Liang C. Solitary fibrous tumor of filum terminale. Acta Radiol Short Rep 2012; 1:10.1258_arsr.2012.120005. [PMID: 23986843 PMCID: PMC3738352 DOI: 10.1258/arsr.2012.120005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Accepted: 06/22/2012] [Indexed: 11/18/2022] Open
Abstract
Solitary fibrous tumor (SFT) is a mesenchymal neoplasm that most commonly arises from the visceral or parietal pleura. Solitary fibrous tumor with a primary site in the filum terminale has not been reported previously in the literature. Here we report a case of SFT occurring in the filum terminale. The characteristic imaging feature of this tumor is hypointensity on T2-weighted images. Even though rare, SFT should be considered in the differential diagnosis of tumors occurring intraspinally, even in the filum terminale.
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Affiliation(s)
- Yanping Wu
- Department of Radiology, Guangdong General Hospital, Guangdong Academy of Medical Sciences , Guangzhou, Guangdong , China
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18
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Solitary fibrous tumor of the central nervous system: a 15-year literature survey of 220 cases (August 1996-July 2011). Adv Anat Pathol 2011; 18:356-92. [PMID: 21841406 DOI: 10.1097/pap.0b013e318229c004] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
We reviewed the world literature on solitary fibrous tumors of the central nervous system from August 1996 to July 2011, focusing on both clinicopathological features and diagnostic findings. The anatomical distribution of the 220 cases reported so far reveals that most are intracranial and just over one-fifth are intraspinal. In decreasing frequency, intracranial tumors involve the supratentorial and infratentorial compartments, the pontocerebellar angle, the sellar and parasellar regions, and the cranial nerves. Intraspinal tumors are mainly located in the thoracic and cervical segments. Although most solitary fibrous tumors of the central nervous system are dural based, a small subset presents as subpial, intraparenchymal, intraventricular, or as tumors involving the nerve rootlets with no dural connection. Preoperative imaging and intraoperative findings suggest meningioma, schwannoma or neurofibroma, hemangiopericytoma, or pituitary tumors. Immunohistochemistry is critical to establish a definitive histopathological diagnosis. Vimentin, CD34, BCL2, and CD99 are the most consistently positive markers. The usual histologic type generally behaves in a benign manner if complete removal is achieved. Recurrence is anticipated when resection is subtotal or when the tumor exhibits atypical histology. The proliferative index as assessed by MIB1 labeling is of prognostic significance. Occasionally, tumors featuring conventional morphology may recur, perhaps because of minimal residual disease left behind during surgical extirpation. Rare extracranial metastases and tumor-related deaths are on record. Surgery is the treatment of choice. Stereotactic and external beam radiation therapy may be indicated for postsurgical tumor remnants and for unresectable recurrences. Long-term active surveillance of the patients is mandatory.
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Bisceglia M, Dimitri L, Giannatempo G, Carotenuto V, Bianco M, Monte V, D’Angelo V, Magro G. Solitary Fibrous Tumor of the Central Nervous System. Int J Surg Pathol 2011; 19:476-86. [DOI: 10.1177/1066896911405655] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Solitary fibrous tumor (SFT) of the central nervous system was first described in 1996. A number of cases have been reported since. The authors present 5 new cases: 4 intracranial and 1 intraspinal. All patients were adults (age range, 47 to 75 years); 4 were male and 1 female; 4 cases were primary tumors; and 1 was a second tumor recurrence. All patients were surgically treated with gross total removal. All cases were histologically examined with immunohistochemical confirmation; 2 tumors exhibited diffuse classic histology, 1 tumor was a cellular variant, 1 tumor was myxoid, and 1 was predominantly classic with focal myxoid features and focally pleomorphic. The postoperative course was uneventful in all. The patient with the cellular variant experienced 2 local recurrences and eventually died of disease 10 years after the initial diagnosis. The patient with the myxoid variant—the tumor studied—which was the second recurrence of a previously misdiagnosed fibrous meningioma surgically treated 15 years earlier, had a recurrence after 2 years for the third time and eventually died of disease. Three patients are alive and well 11.6, 6, and 4 years after surgery. SFT is a rare tumor that needs to be differentiated from some mimickers, mainly fibrous meningioma, hemangiopericytoma, and with regard to the myxoid variant, also adult-onset myxochordoid meningioma and myxoid peripheral nerve sheath tumor. Immunohistochemistry is crucial for the correct diagnosis of SFT. The authors also performed a review of the literature and found a little more than 200 cases on record.
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Affiliation(s)
- Michele Bisceglia
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | - Lucia Dimitri
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | | | - Vincenzo Carotenuto
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | - Mario Bianco
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | - Vincenzo Monte
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | - Vincenzo D’Angelo
- IRCCS “Casa Sollievo della Sofferenza” Hospital, San Giovanni Rotondo, Italy
| | - Gaetano Magro
- University and Polyclinic Hospital of Catania, Catania, Italy
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Fargen KM, Opalach KJ, Wakefield D, Jacob RP, Yachnis AT, Lister JR. The central nervous system solitary fibrous tumor: a review of clinical, imaging and pathologic findings among all reported cases from 1996 to 2010. Clin Neurol Neurosurg 2011; 113:703-10. [PMID: 21872387 DOI: 10.1016/j.clineuro.2011.07.024] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2010] [Revised: 02/08/2011] [Accepted: 07/27/2011] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Central nervous system (CNS) solitary fibrous tumor (SFT) is a rare lesion first identified as a unique entity in 1996. We describe two cases treated at the University of Florida followed by a review of all reported cases of CNS SFT between 1996 and 2010. METHODS A review of the literature was performed to identify all reported cases of CNS SFT. RESULTS 189 cases (including the two presented herein) were discovered, of which 46 were spinal and 143 were intracranial. Demographic, imaging, and pathologic findings are presented. Roughly 6% of reported lesions are malignant. Subtotal resection (STR) was associated with a 16-fold increased odds of recurrence (OR 15.9, 95% CI 5.5-46.1), although mean follow-up was shorter in those cases of GTR without recurrence. CONCLUSION CNS SFT is a rare lesion. Six percent of lesions are malignant. GTR is superior to STR although the degree of superiority is not clear.
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Affiliation(s)
- Kyle M Fargen
- Department of Neurosurgery, University of Florida College of Medicine, Gainesville, FL, USA.
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