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Kurokawa M, Kurokawa R, Baba A, Gomi T, Cho S, Yoshioka K, Harada T, Kim J, Emile P, Abe O, Moritani T. Neuroimaging Features of Cytokine-related Diseases. Radiographics 2024; 44:e230069. [PMID: 38696321 DOI: 10.1148/rg.230069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2024]
Abstract
Cytokines are small secreted proteins that have specific effects on cellular interactions and are crucial for functioning of the immune system. Cytokines are involved in almost all diseases, but as microscopic chemical compounds they cannot be visualized at imaging for obvious reasons. Several imaging manifestations have been well recognized owing to the development of cytokine therapies such as those with bevacizumab (antibody against vascular endothelial growth factor) and chimeric antigen receptor (CAR) T cells and the establishment of new disease concepts such as interferonopathy and cytokine release syndrome. For example, immune effector cell-associated neurotoxicity is the second most common form of toxicity after CAR T-cell therapy toxicity, and imaging is recommended to evaluate the severity. The emergence of COVID-19, which causes a cytokine storm, has profoundly impacted neuroimaging. The central nervous system is one of the systems that is most susceptible to cytokine storms, which are induced by the positive feedback of inflammatory cytokines. Cytokine storms cause several neurologic complications, including acute infarction, acute leukoencephalopathy, and catastrophic hemorrhage, leading to devastating neurologic outcomes. Imaging can be used to detect these abnormalities and describe their severity, and it may help distinguish mimics such as metabolic encephalopathy and cerebrovascular disease. Familiarity with the neuroimaging abnormalities caused by cytokine storms is beneficial for diagnosing such diseases and subsequently planning and initiating early treatment strategies. The authors outline the neuroimaging features of cytokine-related diseases, focusing on cytokine storms, neuroinflammatory and neurodegenerative diseases, cytokine-related tumors, and cytokine-related therapies, and describe an approach to diagnosing cytokine-related disease processes and their differentials. ©RSNA, 2024 Supplemental material is available for this article.
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Affiliation(s)
- Mariko Kurokawa
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Ryo Kurokawa
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Akira Baba
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Taku Gomi
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Shinichi Cho
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Kyohei Yoshioka
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Taisuke Harada
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - John Kim
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Pinarbasi Emile
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Osamu Abe
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
| | - Toshio Moritani
- From the Department of Radiology, Division of Neuroradiology (M.K., R.K., A.B., T.G., S.C., K.Y., J.K., T.M.), and Department of Pathology (P.E.), University of Michigan, 1500 E Medical Center Dr, UH B2, Ann Arbor, MI 48109; Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan (M.K., R.K., S.C., K.Y., O.A.); Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan (A.B., T.G.); and Department of Diagnostic Imaging, Hokkaido University Graduate School of Medicine, Sapporo, Japan (T.H.)
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Mezzacappa FM, Smith FK, Zhang W, Gard A, Cabuk FK, Gonzalez-Gomez I, Monforte HL, Liang J, Singh O, Quezado MM, Aldape KD, Gokden M, Bridge JA, Chen J. Potential prognostic determinants for FET::CREB fusion-positive intracranial mesenchymal tumor. Acta Neuropathol Commun 2024; 12:17. [PMID: 38291529 PMCID: PMC10826246 DOI: 10.1186/s40478-024-01721-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/24/2023] [Indexed: 02/01/2024] Open
Abstract
Intracranial mesenchymal tumor (IMT), FET::CREB fusion-positive is a provisional tumor type in the 2021 WHO classification of central nervous system tumors with limited information available. Herein, we describe five new IMT cases from four females and one male with three harboring an EWSR1::CREM fusion and two featuring an EWSR1::ATF1 fusion. Uniform manifold approximation and projection of DNA methylation array data placed two cases to the methylation class "IMT, subclass B", one to "meningioma-benign" and one to "meningioma-intermediate". A literature review identified 74 cases of IMTs (current five cases included) with a median age of 23 years (range 4-79 years) and a slight female predominance (female/male ratio = 1.55). Among the confirmed fusions, 25 (33.8%) featured an EWSR1::ATF1 fusion, 24 (32.4%) EWSR1::CREB1, 23 (31.1%) EWSR1::CREM, one (1.4%) FUS::CREM, and one (1.4%) EWSR1::CREB3L3. Among 66 patients with follow-up information available (median: 17 months; range: 1-158 months), 26 (39.4%) experienced progression/recurrences (median 10.5 months; range 0-120 months). Ultimately, three patients died of disease, all of whom underwent a subtotal resection for an EWSR1::ATF1 fusion-positive tumor. Outcome analysis revealed subtotal resection as an independent factor associated with a significantly shorter progression free survival (PFS; median: 12 months) compared with gross total resection (median: 60 months; p < 0.001). A younger age (< 14 years) was associated with a shorter PFS (median: 9 months) compared with an older age (median: 49 months; p < 0.05). Infratentorial location was associated with a shorter overall survival compared with supratentorial (p < 0.05). In addition, the EWSR1::ATF1 fusion appeared to be associated with a shorter overall survival compared with the other fusions (p < 0.05). In conclusion, IMT is a locally aggressive tumor with a high recurrence rate. Potential risk factors include subtotal resection, younger age, infratentorial location, and possibly EWSR1::ATF1 fusion. Larger case series are needed to better define prognostic determinants in these tumors.
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Affiliation(s)
- Frank M Mezzacappa
- Department of Neurological Surgery, University of Nebraska Medical Center, Omaha, NE, USA
| | - Frankie K Smith
- Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, 983135 Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Pathology, University of Utah and Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Weiwei Zhang
- Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, 983135 Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Andrew Gard
- Department of Neurological Surgery, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Neurological Surgery, MD West ONE, Omaha, NE, USA
| | - Fatmagul Kusku Cabuk
- Department of Pathology, Basaksehir Cam and Sakura City Hospital, Başakşehir, Turkey
| | | | - Hector L Monforte
- Division of Pathology, Johns Hopkins All Children's Hospital, Petersburg, FL, USA
| | - Jiancong Liang
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Omkar Singh
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Martha M Quezado
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Kenneth D Aldape
- Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Murat Gokden
- Department of Pathology, University of Arkansas Medical Center, Little Rock, AR, USA
| | - Julia A Bridge
- Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, 983135 Nebraska Medical Center, Omaha, NE, 68198, USA
- Division of Molecular Pathology, ProPath, Dallas, TX, USA
| | - Jie Chen
- Department of Pathology, Microbiology, and Immunology, University of Nebraska Medical Center, 983135 Nebraska Medical Center, Omaha, NE, 68198, USA.
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Tauziède-Espariat A, Sievers P, Larousserie F, Benzakoun J, Guillemot D, Pierron G, Duchesne M, Uro-Coste E, Roux A, Vasiljevic A, Fenouil T, Meyronet D, Mokhtari K, Polivka M, Rousseau A, Bost-Bezeaud F, Akoury S, Pallud J, Benevello C, Hasty L, Gareton A, Lechapt E, Chrétien F, Blauwblomme T, Beccaria K, Puget S, Sahm F, Varlet P. An integrative histopathological and epigenetic characterization of primary intracranial mesenchymal tumors, FET:CREB-fused broadening the spectrum of tumor entities in comparison with their soft tissue counterparts. Brain Pathol 2021; 32:e13010. [PMID: 34314078 PMCID: PMC8713527 DOI: 10.1111/bpa.13010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 06/24/2021] [Accepted: 07/06/2021] [Indexed: 12/11/2022] Open
Abstract
FET:CREB fusions have been described in a variety of tumors from various phenotypes. Recently, these fusion transcripts were reported in intracranial tumors, variably named intracranial mesenchymal myxoid tumors or angiomatoid fibrous histiocytomas. Controversy remains concerning the terminology for these tumors. Here, we report 11 cases of central nervous system mesenchymal tumors with proven FET:CREB fusion. Most DNA methylation profiles were not classifiable using the Heidelberg Brain Tumor or Sarcoma Classifier (v11b4/v12.2). However, by using unsupervised t‐SNE and hierarchical clustering analyses, six of the cases constituted a distinct cluster. The remaining four tumors showed no obvious relation to any of the other referenced classes but were close to the clusters of extra‐CNS angiomatoid fibrous histiocytomas (n = 1), clear cell sarcomas (n = 1), or solitary fibrous tumors (n = 2). Our findings confirm that intracranial FET:CREB‐fused tumors do not represent a single molecular tumor entity, although most samples clustered close to each other, indicating the existence of a distinct epigenetic group that could potentially be partially masked by the low number of cases included. Further analyses are needed to characterize intracranial FET:CREB fused‐defined tumors in more detail.
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Affiliation(s)
- Arnault Tauziède-Espariat
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France.,Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA-BRAIN, Paris, France
| | - Philipp Sievers
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frédérique Larousserie
- Department of Pathology, Cochin Hospital, AP-HP Paris, Université de Paris, Paris, France
| | - Joseph Benzakoun
- Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA-BRAIN, Paris, France.,Department of Radiology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Delphine Guillemot
- Paris-Sciences-Lettres, Institut Curie Research Center, INSERM U830, Paris, France.,Laboratory of Somatic Genetics, Institut Curie Hospital, Paris, France
| | - Gaëlle Pierron
- Paris-Sciences-Lettres, Institut Curie Research Center, INSERM U830, Paris, France.,Laboratory of Somatic Genetics, Institut Curie Hospital, Paris, France
| | - Mathilde Duchesne
- Department of Pathology, Dupuytren University Hospital, Limoges, France
| | - Emmanuelle Uro-Coste
- Department of Pathology, Toulouse University Hospital, Toulouse, France.,Cancer Research Center of Toulouse (CRCT), INSERM U1037, Toulouse, France.,Toulouse III, Université Paul Sabatier, Toulouse, France
| | - Alexandre Roux
- Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA-BRAIN, Paris, France.,Department of Neurosurgery, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Alexandre Vasiljevic
- Department of Pathology and Neuropathology, GHE, Hospices civils de Lyon, France
| | - Tanguy Fenouil
- Department of Pathology and Neuropathology, GHE, Hospices civils de Lyon, France
| | - David Meyronet
- Department of Pathology and Neuropathology, GHE, Hospices civils de Lyon, France
| | - Karima Mokhtari
- Department of Neuropathology, Pitié-Salpêtrière Hospital, AP-HP Paris, Paris, France
| | - Marc Polivka
- Department of Pathology, Lariboisière Hospital, AP-HP Paris, Paris, France
| | | | | | - Samir Akoury
- Department of Neurosurgery, Hospital of French Polynesia, Tahiti, France
| | - Johan Pallud
- Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA-BRAIN, Paris, France.,Department of Neurosurgery, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Chiara Benevello
- Department of Neurosurgery, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Lauren Hasty
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Albane Gareton
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Emmanuèle Lechapt
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Fabrice Chrétien
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France
| | - Thomas Blauwblomme
- Department of Paediatric Neurosurgery, Necker Hospital, APHP, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Kévin Beccaria
- Department of Paediatric Neurosurgery, Necker Hospital, APHP, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Stéphanie Puget
- Department of Paediatric Neurosurgery, Necker Hospital, APHP, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Felix Sahm
- Department of Neuropathology, Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neuropathology, German Consortium for Translational Cancer Research (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Hopp Children's Cancer Center Heidelberg (KiTZ, Heidelberg, Germany
| | - Pascale Varlet
- Department of Neuropathology, GHU Paris-Psychiatrie et Neurosciences, Sainte-Anne Hospital, Paris, France.,Institut de Psychiatrie et Neurosciences de Paris (IPNP), UMR S1266, INSERM, IMA-BRAIN, Paris, France
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Kambe A, Kuwamoto S, Shimizu T, Amisaki H, Sakamoto M, Inagaki H, Kurosaki M. A case of intracranial myxoid mesenchymal tumor with EWSR1:CREM fusion in an adult female: Extensive immunohistochemical evaluation. Neuropathology 2021; 41:315-323. [PMID: 34258808 DOI: 10.1111/neup.12740] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/24/2021] [Accepted: 03/31/2021] [Indexed: 01/03/2023]
Abstract
Intracranial myxoid mesenchymal tumor (IMMT) is a recently described, extremely rare group of neoplasms characterized by fusions between the female-expressed transcript (FET) family genes and the cAMP response element-binding protein (CREB) family genes. Controversy persists regarding whether the tumor is a myxoid variant of angiomatoid fibrous histiocytoma or a completely distinct clinicopathological entity. Here, we report a case of IMMT arising in the posterior fossa in a 65-year-old woman with a history of breast cancer. We performed total removal of the tumor, which histologically demonstrated features characteristic of IMMT but also bore a partial resemblance to conventional angiomatoid fibrous histiocytoma. Immunohistochemically, tumor cells were diffusely positive for desmin, vimentin, cluster of differentiation (CD) 99 (CD99), glucose transporter-1, and cytokeratin (CK) 8/18 (CK8/18), and focally positive for CK7, epithelial membrane antigen, mucin 4, anaplastic lymphoma kinase, calponin, and CD68. Molecular genetic analysis revealed a fusion between the Ewing sarcoma breakpoint region 1 (EWSR1) gene (EWSR1) and the cAMP-responsive element modulator (CREM) gene (CREM) called EWSR1:CREM fusion, which confirmed the diagnosis. The overlap of the pathological features of IMMTs and angiomatoid fibrous histiocytomas may support the recent theory that these tumors are two manifestations of a single entity. Moreover, our study indicated the broad spectrum of immunohistochemical phenotypes of these tumors, which should be noted during diagnosis. Further studies are needed to elucidate the histopathological concept, long-term prognosis, optimal treatment strategy, and factors associated with the prognosis and therapeutic options of this condition.
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Affiliation(s)
- Atsushi Kambe
- Division of Neurosurgery, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Satoshi Kuwamoto
- Department of Pathology, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Tsuyoshi Shimizu
- Division of Neurosurgery, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Hidefumi Amisaki
- Division of Neurosurgery, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Makoto Sakamoto
- Division of Neurosurgery, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Tottori, Japan
| | - Hirotaka Inagaki
- Department of Neurosurgery, Japanese Red Cross Tottori Hospital, Tottori, Japan
| | - Masamichi Kurosaki
- Division of Neurosurgery, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Tottori, Japan
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