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Kataria SP, Bhutani N, Kumar S, Singh G, Sen R, Singh I. Solitary fibrous tumor of central nervous system masquerading as meninigioma: Report of a rare case. Int J Surg Case Rep 2018; 54:10-14. [PMID: 30508695 PMCID: PMC6279985 DOI: 10.1016/j.ijscr.2018.11.063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 11/20/2018] [Accepted: 11/24/2018] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Solitary fibrous tumor (SFT) is a rare neoplasm of mesenchymal origin that occurs most often in the visceral pleura. It rarely occurs in the central nervous system (CNS). If they occur intracranially, they are extra-axially located and develop from the meninges. CASE REPORT Herein, we present a case of SFT in a 45 years old female. MR imaging showed isointense to hypointense signal intensity, and marked enhancement. Microscopically, the tumors showed characteristic "patternless-pattern" architecture. Elongated tumor cells formed fascicles alternating with hypocellular densely collagenous stroma. Immunohistochemistry for STAT6, CD34, BCL2 and CD99 favours the definitive diagnosis of SFT. CONCLUSION In general, complete surgical resection may offer the best chance of a favourable clinical outcome. Their biological features remain largely unknown. Hence, the clinical management and prognosis is often challenging due to the lack of comprehensive data.
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Affiliation(s)
| | | | - Sanjay Kumar
- Deptt. of Pathology, PGIMS Rohtak, Haryana, India.
| | | | - Rajeev Sen
- Deptt. of Pathology, PGIMS Rohtak, Haryana, India.
| | - Ishwar Singh
- Deptt. of Pathology, PGIMS Rohtak, Haryana, India.
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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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Reames DL, Mohila CA, Sheehan JP. Treatment of intracranial solitary fibrous tumors with gamma knife radiosurgery: report of two cases and review of literature. Neurosurgery 2011; 69:E1023-8; discussion E1028. [PMID: 21593698 DOI: 10.1227/neu.0b013e318223b7e6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND AND IMPORTANCE Gamma knife radiosurgery (GKRS) as a treatment option has not been described in the management of typical intracranial solitary fibrous tumors. CLINICAL PRESENTATION After presenting with visual decline, case A underwent a bioccipital craniotomy during which 90% of tumor was thought to have been resected. She unfortunately required re-resection 56 months later for recurrence when she again presented with progressive visual decline, altered mental status, and headaches. A subtotal resection was performed, because there was extensive tumor involvement of the torcula, straight sinus, and bilateral transverse sinuses. She was subsequently referred for GKRS. Although neurologically intact, with the exception of an upper extremity tremor, case B had undergone 7 surgeries for a posterior fossa tumor over the several decades preceding GKRS. The tumors targeted with GKRS were found on serial MRI scans and were thought to be asymptomatic at the time of treatment. At 7 and 14 months after GKRS, case A experienced tumor shrinkage, which remained stable 20 months after treatment. Effective local tumor control was seen in case B with tumor shrinkage at 3, 8, and 13 months after treatment. However, repeat GKRS was required for case B, because an out-of-field recurrence was found 15 months after the initial GKRS. CONCLUSION Based on this report and available information in the literature, radiosurgery appears to be a reasonable approach for patients with recurrent or residual intracranial solitary fibrous tumors.
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Affiliation(s)
- Davis L Reames
- Department of Neurosurgery, University of Virginia Health System, Charlottesville, VA, USA.
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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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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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Moritani S, Ichihara S, Hasegawa M, Takada S, Takahashi T, Kato E, Mii S, Iwakoshi A. Dedifferentiation and progression of an intracranial solitary fibrous tumor: Autopsy case of a Japanese woman with a history of radiation therapy of the head during infancy. Pathol Int 2010; 61:143-9. [DOI: 10.1111/j.1440-1827.2010.02627.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bikmaz K, Cosar M, Kurtkaya-Yapicier O, Iplikcioglu AC, Gokduman CA. Recurrent solitary fibrous tumour in the cerebellopontine angle. J Clin Neurosci 2005; 12:829-32. [PMID: 16169731 DOI: 10.1016/j.jocn.2004.10.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2004] [Accepted: 10/11/2004] [Indexed: 02/01/2023]
Abstract
Solitary fibrous tumours (SFT) of the central nervous system are rare. They resemble meningioma in clinical presentation, imaging features and appearance at surgery. Schwannoma, hemangiopericytoma and other spindle cell mesenchymal neoplasms should also be considered in the differential diagnosis. Although the histogenesis of this tumour is still debated, strong CD34 reactivity of the tumour cells suggests that SFT is mesenchymal. We present the clinical, radiological, and pathological features of an SFT located in the cerebellopontine angle (CPA). A 55-year-old female presented with 6 months of headache. The MRI scan showed a contrast enhancing ovoid mass in the left CPA. At craniotomy, the tumour was completely resected. Histolopathological diagnosis was of meningioma. Three years later, the symptoms recurred and an MRI scan demonstrated tumour recurrence. A repeat craniotomy was performed and the lesion was again completely excised. Tumour morphology on histopathology and immunoreactivity for CD34 of the tumour cells supported the diagnosis of SFT. Review of the original tumour also disclosed immunoreactivity for CD34. Ki67 labeling indices were less than 1% in both tumours.
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Affiliation(s)
- Kerem Bikmaz
- Okmeydani Training Hospital, Neurosurgery Department, Istanbul, Turkey
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Macfarlane RG, Galloway M, Plowman PN, Thomas DGT. A Highly Vascular Intracranial Solitary Fibrous Tumor Treated with Radiotherapy and Toremifene: Case Report. Neurosurgery 2005; 56:E1378; discussion E1378. [PMID: 15918957 DOI: 10.1227/01.neu.0000159717.37748.b5] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2004] [Accepted: 01/12/2005] [Indexed: 11/19/2022] Open
Abstract
AbstractOBJECTIVE AND IMPORTANCE:A case of an unusual intracranial solitary fibrous tumor with features of high vascularity and resultant difficulty at resection is presented. The use of surgery, radiotherapy, and toremifene has been successful with no recurrence after 18 months.CLINICAL PRESENTATION:A 33-year-old male patient presented with a 1-year history of loss of vision on the left side and a 3-month history of headache and lethargy. Magnetic resonance imaging showed a lobulated mass (7.6 × 4.5 cm) in the left temporal fossa and left parasellar, sellar, and suprasellar regions, with a “dural tail” more typical of meningioma. Vascular supply was from both the internal carotid arteries and the left middle meningeal artery, precluding embolization.INTERVENTION:At the time of the craniotomy, a highly vascular tumor was found. Intraoperative hemorrhage limited resection to 20% of the tumor. The histological diagnosis was of a solitary fibrous tumor with an unusually angiomatoid architecture. After the operation, radiotherapy and toremifene were administered. A dramatic reduction in the size of the tumor was seen with no recurrence to date.CONCLUSION:The use of surgery, radiotherapy, and toremifene in treatment of a vascular intracranial solitary fibrous tumor has been successful and warrants further research.
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Affiliation(s)
- Rebecca Gillian Macfarlane
- Division of Neurosurgery, Institute of Neurology, The National Hospital for Neurology and Neurosurgery, Queen Square, London, England
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Kim KA, Gonzalez I, McComb JG, Giannotta SL. Unusual presentations of cerebral solitary fibrous tumors: report of four cases. Neurosurgery 2004; 54:1004-9; discussion 1009. [PMID: 15046670 DOI: 10.1227/01.neu.0000115675.74366.87] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2003] [Accepted: 11/18/2003] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE AND IMPORTANCE Four rare cases of central nervous system solitary fibrous tumors (C-SoFTs) are described. This tumor has not previously been reported in children or in deep cortical structures. Three of these tumors occurred in the posterior fossa. Only four cases in the posterior fossa have been described previously. Nine years after its debulking from the posterior fossa, one tumor disseminated to the spine, lung, and liver. Only one such aggressive C-SoFT has been described previously. CLINICAL PRESENTATION A 7-year-old child had had 1 year of right-sided weakness at presentation. Magnetic resonance imaging scans revealed a left basal ganglia lesion. A 49-year-old woman and a 30-year-old man presented after experiencing headaches for months. Magnetic resonance imaging scans in these patients revealed a tumor in the fourth ventricle and right jugular foramen, respectively. A 55-year-old man had spinal, liver, and lung dissemination of a previous posterior fossa tumor at presentation. INTERVENTION AND TECHNIQUE All four patients underwent craniotomy for resection or subtotal removal of the tumor. Intraoperative observations noted solid well-encapsulated tumors. Immunohistochemistry confirmed C-SoFTs in all four cases. CONCLUSION C-SoFTs are rare central nervous system, typically dural-based, tumors. They frequently are overlooked in the differential diagnosis of solid central nervous system tumors. Our findings suggest that these tumors can occur at any age and in most locations, regardless of proximity to the meninges (basal ganglia and ventricle), suggesting that the cells of origin are not meningothelial, but rather the mesenchyme of the cerebral vasculature. T1- and T2-weighted magnetic resonance imaging was notable for areas of hypointensity and of hyperintensity best described as patchy or a ying-yang appearance in all cases. Delayed extracranial metastasis may be noted.
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Affiliation(s)
- K Anthony Kim
- LAC-USC Department of Neurosurgery, Keck School of Medicine, University of Southern California, 1200 North State Street, Suite 5046, Los Angeles, CA 90033, USA.
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A Solitary Fibrous Tumor of the Meninges With Ectopic Salivary Gland Tissue: Case Report and Literature Review. ACTA ACUST UNITED AC 2003. [DOI: 10.1097/00013414-200312000-00005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Tihan T, Viglione M, Rosenblum MK, Olivi A, Burger PC. Solitary fibrous tumors in the central nervous system. A clinicopathologic review of 18 cases and comparison to meningeal hemangiopericytomas. Arch Pathol Lab Med 2003; 127:432-9. [PMID: 12683870 DOI: 10.5858/2003-127-0432-sftitc] [Citation(s) in RCA: 134] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
CONTEXT Solitary fibrous tumors (SFTs) of the central nervous system are rare neoplasms that usually present as dura-based masses and clinically resemble meningiomas. Histologically, they can be similar to fibrous meningioma or hemangiopericytoma (HPC). In particular, densely cellular regions seen in some SFTs can be indistinguishable from HPC. Little is known about the biological behavior of SFTs, although most seem amenable to total resection. OBJECTIVES To define the clinicopathologic spectrum of SFTs in the central nervous system and to outline their differences from HPC and meningioma. DESIGN We present the clinicopathologic features of 18 patients with SFT and compare them with those of an age- and sex-matched cohort of HPCs. RESULTS Eleven SFTs were supratentorial, 3 were infratentorial, and 4 were intraspinal. Four of the 18 tumors were intra-axial (2 in the lateral ventricles and 2 within the spinal cord). Histologically, SFTs were similar to their soft tissue counterparts. Six tumors (6/18) had densely cellular regions, and 1 tumor showed frankly anaplastic features. All but 3 patients underwent gross total resection, and there were no metastases or tumor-related mortalities during the median follow-up of 40 months. In contrast, there were 15 local recurrences (83%), 5 extracranial metastases (27%), and 4 tumor-related deaths (22%) in the HPC cohort. CONCLUSIONS Our study presents the clinicopathologic features of SFT as a distinct entity from both meningioma and HPC. We also present unusual examples of anaplastic, intraventricular, and intramedullary spinal SFTs that expand the clinicopathologic spectrum of these uncommon and sometimes diagnostically difficult neoplasms.
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Affiliation(s)
- Tarik Tihan
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Md, USA.
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