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Cavernous malformation

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https://www.readbyqxmd.com/read/29331747/dural-based-cavernous-malformation-at-the-cerebral-convexity-report-of-two-pediatric-patients
#1
Guichen Li, Xuan Zhai, Yang Zhang, Ping Liang, Xuanxuan Wu, Kun Hou
BACKGROUND: Intracranial (cavernous malformations) CMs are usually located at the cerebral parenchyma, dural-based CMs outside the middle fossa are rarely reported. To our knowledge, dural-based CMs located at the cerebral convexity are even rarer that only two pediatric cases were ever reported. In this report, we present two extremely rare cases of dural-based CMs at the cerebral convexity in pediatric patients. The clinical course, radiological and pathological features, treatment, and follow-up are described...
January 10, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29302291/a-case-series-of-intraosseous-hemangioma-of-the-jaws-various-presentations-of-a-rare-entity
#2
Srinivasa R Chandra, Eleanor Chen, Timothee Cousin, Dolphine Oda
Background: Hemangiomas of the soft tissue are common in the head and neck area, especially in the tongue and in children under ten years of age. Intraosseous hemangiomas of the mandible and maxilla (IHM), on the other hand, are exceedingly rare and are not well characterized. This study presents six IHM cases focusing on the clinical, radiographic, and histologic characteristics. Material and Methods: Six cases of IHM were retrieved from the archives of the Biopsy Services at the University of Washington...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29298444/human-malformation-syndromes-of-defective-gli-opposite-phenotypes-of-2q14-2-gli2-and-7p14-2-gli3-microdeletions-and-a-glia-r-balance-model
#3
Yo Niida, Mika Inoue, Mamoru Ozaki, Etsuko Takase
GLI family zinc finger proteins are transcriptional effectors of the sonic hedgehog signaling pathway. GLI regulates gene expression and repression at various phases of embryonic morphogenesis. In humans, 4 GLI genes are known, and GLI2 (2q14.2) and GLI3 (7p14.1) mutations cause different syndromes. Here, we present 2 distinctive cases with a chromosomal microdeletion in one of these genes. Patient 1 is a 14-year-old girl with Culler-Jones syndrome. She manifested short stature, cleft palate, and mild intellectual/social disability caused by a 6...
January 4, 2018: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29295866/connexin-43-gap-junctions-contribute-to-brain-endothelial-barrier-hyperpermeability-in-familial-cerebral-cavernous-malformations-type-iii-by-modulating-tight-junction-structure
#4
Allison M Johnson, James P Roach, Anna Hu, Svetlana M Stamatovic, Michal R Zochowski, Richard F Keep, Anuska V Andjelkovic
Familial cerebral cavernous malformations type III (fCCM3) is a disease of the cerebrovascular system caused by loss-of-function mutations in ccm3 that result in dilated capillary beds that are susceptible to hemorrhage. Before hemorrhage, fCCM3 lesions are characterized by a hyperpermeable blood-brain barrier (BBB), the key pathologic feature of fCCM3. We demonstrate that connexin 43 (Cx43), a gap junction (GJ) protein that is incorporated into the BBB junction complex, is up-regulated in lesions of a murine model of fCCM3...
January 2, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29288109/risk-factors-for-unfavorable-outcomes-in-surgically-treated-brainstem-cavernous-malformations
#5
Edgar Nathal, Mauricio Patiño, Antonio Arauz, Sayem S Imam, Edgar Acosta, Alexander I Evins, Gabriel Mauricio Longo
OBJECTIVE: Brainstem cavernous malformations (BSCM) account for up to 15% of all intracranial cavernous malformations. Due to their complex anatomical location, they represent a significant challenge for neurosurgeon. As such, the identification of risk factors associated with negative outcomes is of significant importance. We analyze a series of 50 cases of BSCMs treated surgically in order to identify risk factors for unfavorable outcomes. METHODS: Patients who underwent surgical resection of BSCM at our institution between 2000 and 2015 were retrospectively reviewed...
December 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29281070/radiation-induced-cavernous-malformations-after-single-fraction-meningioma-radiosurgery
#6
Gábor Nagy, Brandon A McCutcheon, Caterina Giannini, Michael J Link, Bruce E Pollock
BACKGROUND: Stereotactic radiosurgery (SRS) is a commonly performed procedure for patients with intracranial meningiomas. OBJECTIVE: To describe the clinical features of patients with radiation-induced cavernous malformations (RICM) after single-fraction meningioma SRS. METHODS: Retrospective study of patients having single-fraction SRS for intracranial meningioma at our center from 1990 through 2009, and 1 patient who had single-fraction SRS elsewhere...
December 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29281055/resection-of-a-midbrain-cavernous-malformation-via-far-posterior-subtemporal-approach-to-the-dorsolateral-brainstem-2-dimensional-operative-video
#7
Abdulrahman Y Alturki, Alejandro Enriquez-Marulanda, Ajith J Thomas, Christopher S Ogilvy
No abstract text is available yet for this article.
December 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29280021/clinical-features-and-neurosurgical-treatment-of-trigonal-cavernous-malformations
#8
Chengjun Wang, Meng Zhao, Xiaofeng Deng, Jia Wang, Zhongli Jiang, Jizong Zhao
The goals of this study were to analyze the incidence, clinical manifestations, neuroimaging findings, surgical treatments, and neurological outcomes of trigonal cavernous malformations (TCMs). Among 1395 cases of intracranial and intraspinal cavernous malformations (CMs) surgically treated between 2003 and 2016 at Beijing Tiantan Hospital, a series of 12 patients with TCM was chosen for analysis and their records were reviewed. We also performed an exhaustive literature search using PubMed to identify all previously reported cases in the literatures...
December 26, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29239231/intratumoral-cavernous-like-malformation-in-subependymomas
#9
Jian-Qiang Lu, Almunder R Algird
No abstract text is available yet for this article.
December 14, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29239163/false-lateralization-of-pre-surgical-work-up-in-a-child-with-a-cortical-cavernous-malformation-and-intractable-epilepsy
#10
Richard A Rammo, Hansel M Greiner, Andrew T Trout, James L Leach, Lenny Rozhkov, Hisako Fujiwara, Douglas F Rose, Francesco T Mangano
No abstract text is available yet for this article.
February 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29236895/multiple-sporadic-cerebral-cavernous-malformations
#11
Rodrigo Alencar E Silva, Thadeu Alexandre Paulino de Souza, Thiago Cardoso Vale
No abstract text is available yet for this article.
December 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29228395/brain-stem-cavernous-malformations-operative-nuances-of-a-less-invasive-resection-technique
#12
Harminder Singh, Turki Elarjani, Harley Brito da Silva, Rakshith Shetty, Louis Kim, Laligam N Sekhar
BACKGROUND: Different operative techniques are reported for the resection of brainstem cavernous malformations (BSCMs). The senior author has previously reported on a less-invasive technique of entering the brain stem with piecemeal removal of BSCMs, especially the deep-seated ones. OBJECTIVE: To present a larger series of these lesions, emphasizing the approach to the brain stem via case selection. We discuss the nuances of the less-invasive operative technique through case illustrations and intraoperative videos...
December 8, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29199381/neurosurgical-management-of-cavernous-malformations-located-at-the-foramen-of-monro
#13
Chengjun Wang, Meng Zhao, Xiaofeng Deng, Jia Wang, Qingming Shu, Zhongli Jiang, Jizong Zhao
Cavernous malformations (CMs) located at the foramen of Monro (FM) are relatively rare benign vascular malformations. Knowledge of FM CM is poor. The aims of this study were to describe the incidence, clinical presentation, radiological features, surgical approaches, and neurological outcomes for FM CM patients and to discuss the treatment strategy for this disease. We present a series of nine FM CM patients (four males, five females; mean age 29.3 years) who were treated at a single neurosurgical center. FM CM accounted for 0...
December 4, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29198888/salvage-therapy-for-brain-arteriovenous-malformations-after-failure-of-gamma-knife-stereotactic-radiosurgery
#14
Kai Quan, Xuqun Tang, Jianping Song, Xiancheng Chen, Yanlong Tian, Peixi Liu, Yuan Shi, Zixiao Yang, Yinjun Liu, Feng Zhou, Li Pan, Wei Zhu
OBJECTIVE: The aim of this study was to investigate delayed complications in patients with brain arteriovenous malformation (BAVM) after Gamma Knife stereotactic radiosurgery and to present the salvage therapy experiences of patients with BAVM with radiation-induced changes (RICs) or intracranial hemorrhage (ICH). METHODS: This cohort consisted of 44 patients with BAVM who underwent failed GKRS between 2000 and 2015. These patients were further divided into an RIC group (23 patients) and an ICH group (21 patients) based on their post-GKRS complications...
December 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29197946/first-large-genomic-inversion-in-familial-cerebral-cavernous-malformation-identified-by-whole-genome-sequencing
#15
Stefanie Spiegler, Matthias Rath, Sabine Hoffjan, Philipp Dammann, Ulrich Sure, Axel Pagenstecher, Tim Strom, Ute Felbor
Familial cerebral cavernous malformations (CCMs) predispose to seizures and hemorrhagic stroke. Molecular genetic analyses of CCM1, CCM2, and CCM3 result in a mutation detection rate of up to 98%. However, only whole genome sequencing (WGS) in combination with the Manta algorithm for analyses of structural variants revealed a heterozygous 24 kB inversion including exon 1 of CCM2 in a 12-year-old boy with familial CCMs. Its breakpoints were fine-mapped, and quantitative analysis on RNA confirmed reduced CCM2 expression...
December 2, 2017: Neurogenetics
https://www.readbyqxmd.com/read/29192863/precipitating-hydrophobic-injectable-liquid-embolization-of-intracranial-vascular-shunts-initial-experience-and-technical-note
#16
Shriram Varadharajan, Arvinda Hanumanthapura Ramalingaiah, Jitender Saini, Arun Kumar Gupta, B Indira Devi, Ullas V Acharya
Precipitating hydrophobic injectable liquid (PHIL) is a newly available liquid embolic agent for endovascular therapy. It is nonadhesive and composed of a biocompatible polymer dissolved in dimethyl sulfoxide solvent and bonded covalently with iodine. In this report, the authors present their preliminary experience using PHIL in the treatment of intracranial vascular shunts. Between July 2015 and December 2015, 11 patients underwent endovascular embolization using the PHIL embolic agent. Five patients had arteriovenous malformations, 4 had dural arteriovenous fistulas, 1 patient had a carotid-cavernous fistula, and 1 patient had a pial arteriovenous fistula...
December 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29186608/supratonsillar-approach-to-deep-cerebellar-cavernous-malformations-near-the-dentate-nucleus-3-dimensional-operative-video
#17
Arnau Benet, Jae Seung Bang, Halima Tabani, Ali Tayebi Meybodi, Michael T Lawton
No abstract text is available yet for this article.
December 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29186607/benefits-and-limitations-of-indocyanine-green-fluorescent-image-guided-surgery-for-spinal-intramedullary-tumors
#18
Toshihiro Takami, Kentaro Naito, Toru Yamagata, Nobuyuki Shimokawa, Kenji Ohata
BACKGROUND: Intraoperative image guidance using near-infrared indocyanine green videoangiography (ICG-VA) has been used to provide real-time angiographic images during vascular or brain tumor surgery, and it is also being used for spine surgery. OBJECTIVE: To further investigate the benefits and limitations of ICG-VA image-guided surgery for spinal intramedullary tumors through retrospective study. METHODS: ICG-VA was used in 48 cases that were treated surgically over the past 5 yr...
December 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29180575/radiation-induced-spinal-nerve-root-cavernous-malformations-as-a-rare-cause-of-radiculopathy
#19
Komal Rastogi, Christopher J Klein, John E O'Toole, Miral D Jhaveri, Rabia Malik
No abstract text is available yet for this article.
November 28, 2017: Neurology
https://www.readbyqxmd.com/read/29175574/surgical-management-and-long-term-seizure-outcome-after-surgery-for-temporal-lobe-epilepsy-associated-with-cerebral-cavernous-malformations
#20
Peng-Fan Yang, Jia-Sheng Pei, Yan-Zeng Jia, Qiao Lin, Hui Xiao, Ting-Ting Zhang, Zhong-Hui Zhong
OBJECTIVE: Operative strategies for cerebral cavernous malformation (CCM)-associated temporal lobe epilepsy and timing of surgical intervention have continued under debate. This study aimed to establish an algorithm to evaluate efficacy of surgical intervention strategies, which maximizes positive surgical outcomes and minimizes post-surgical neurological deficits. METHODS: 47 subjects having undergone operation for CCM-associated temporal lobe epilepsy were retrospectively reviewed...
November 22, 2017: World Neurosurgery
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