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intraventricular meningioma

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https://www.readbyqxmd.com/read/28680735/pilocytic-astrocytoma-a-rare-presentation-as-intraventricular-tumor
#1
Sidra Sattar, Naveed Z Akhunzada, Gohar Javed, Zeeshan Uddin, Yasir A Khan
BACKGROUND: Pilocytic astrocytoma (PA) is the most prevalent central nervous system (CNS) tumor in pediatric population and accounts for an approximate of 5-6% of all gliomas. This neoplasm can occur at all levels of the neuraxis, with majority (67%) arising in the cerebellum and optic pathway. PAs are World Health Organization Grade I tumors and are the most benign of all astrocytomas characterized by an excellent prognosis. Other differentials include subependymal giant cell astrocytoma (SEGA), ependymoma, meningioma, and low-grade gliomas such as pilocytic or diffuse astrocytoma; calcification is more commonly regarded as a feature of benign or slow-growing tumors...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28643039/primary-intraventricular-meningiomas-in-children-experience-of-two-cases-with-review-of-literature
#2
Kapil D Muley, Salman T Shaikh, Chandrashekhar E Deopujari, Uday B Andar
Meningiomas are rare in the pediatric age group, more so in the intraventricular location. They arise in the lateral ventricles from the arachnoid cells contained within the choroid plexus, in the third ventricle from the velum interpositum and in the fourth ventricle from the choroids. These tumors are usually large and have an aggressive behaviour. Surgical management of intra-ventricular meningiomas is challenging because of their deep location, large size at presentation and increased vascularity. The authors report two such cases who presented with symptoms of raised intra cranial pressure and on evaluation were found to have associated hydrocephalus...
June 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28623518/primary-intraventricular-osteosarcoma-in-a-3-year-old-boy-report-of-a-case-and-review-of-literature
#3
Ahmad Pourrashidi Boshrabadi, Mohammadali Surakiazad, Kourosh Karimi Yarandi, Abbas Amirjamshidi
INTRODUCTION: Extraskeletal osteosarcoma (ExOS) is a rare and well-known entity. Three to 4% of ExOSs occur in the head and neck region but anecdotally in the central nervous system (CNS). Primary intracranial osteosarcoma (PIOS) can originate from the skull, brain parenchyma, or meninges. CASE PRESENTATION: A 3-year-old boy with history of head trauma 2 weeks before admission is presented harboring an ExOS in the left temporoparietal region. He was operated with the impression of intraventricular meningioma but turned to be a PIOS without any sources in his skeleton...
June 16, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28527009/the-simpson-grading-in-meningioma-surgery-does-the-tumor-location-influence-the-prognostic-value
#4
Kira Marie Voß, Dorothee Cäcilia Spille, Cristina Sauerland, Eric Suero Molina, Caroline Brokinkel, Werner Paulus, Walter Stummer, Markus Holling, Astrid Jeibmann, Benjamin Brokinkel
In meningiomas, location-specific differences of the prognostic value of the Simpson classification are sparsely investigated but can influence strategy of surgery. We therefore compared the prognostic value of the Simpson classification in different tumor locations. Progression was compared with Simpson grade in 826 meningioma patients (median age 58 years, female:male ratio 2.4) in location-specific uni- and multivariate analyses. Simpson grade strongly correlated with tumor location (p < .001). Within a median follow-up of 50 months, recurrence was observed in 107 of 803 patients (13%)...
May 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28449809/genomic-diagnostics-leading-to-the-identification-of-a-tfg-ros1-fusion-in-a-child-with-possible-atypical-meningioma
#5
Maria Rossing, Christina Westmose Yde, Astrid Sehested, Olga Østrup, David Scheie, Volodia Dangouloff-Ros, Birgit Geoerger, Gilles Vassal, Karsten Nysom
Meningiomas are rare in children. They are highly complex, harboring unique clinical and pathological characteristics, and many occur in patients with neurofibromatosis type 2. Hereby, we present a case of a two-year-old boy presented with a diagnostically challenging intraventricular tumor. It was incompletely resected 6 times over 14 months but kept progressing and was ultimately deemed unresectable. Histologically, the tumor was initially classified as schwannoma, but extensive international review concluded it was most likely an atypical meningioma, WHO grade II...
April 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28413540/intraventricular-glioblastoma-multiforme-mimicking-meningioma-and-review-of-the-literature
#6
Ashis Patnaik, Sudhansu S Mishra, Satya B Senapati
Glioblastoma multiforme (GBM) is the most common primary brain tumor and is usually found in aged persons in the cerebral hemispheres particularly the frontotemporal region. But intraventricular GBM is rare and only few cases have been reported in the literature. We report a case of a 27-year-old man who presented with headache, vision loss in both eyes, and other signs and symptoms of increased intracranial pressure. Computed tomography and magnetic resonance imaging showed an intraventricular, well-circumscribed lesion with homogeneous enhancement of contrast, suggestive of meningioma that is more common than GBM in this location...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27857790/giant-pediatric-intraventricular-meningioma-case-report-and-review-of-literature
#7
Satyashiva Munjal, Atul Vats, Jitendra Kumar, Amit Srivastava, Veer Singh Mehta
Intraventricular meningiomas are rare in the pediatric population. These tumors are often large in size and aggressive in behavior when they occur in children. The management of these tumors is a surgical challenge.
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27857785/pediatric-intraventricular-meningioma-a-series-of-six-cases
#8
Chinmaya Dash, Ribhav Pasricha, Hitesh Gurjar, Pankaj Kumar Singh, Bhawani Shankar Sharma
OBJECTIVE: Meningiomas in children is a rare occurrence. Primary intraventricular meningiomas (IVMs) are even rarer with reported incidence of 0.5%-5% of all meningiomas. The aim of the study was to describe the demographic profile, location, surgical approach, complications, and histopathology of six pediatric patients with IVM. MATERIALS AND METHODS: We retrospectively analyzed all intraventricular tumors operated at our Institute from January 2010 till July 2015...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27752384/atypical-growth-pattern-of-an-intraparenchymal-meningioma
#9
Zhen Zeng, Tijiang Zhang, Yihua Zhou, Xiaoxi Chen
Meningiomas are the most common primary nonneuroglial extra-axial neoplasms, which commonly present as spherical or oval masses with a dural attachment. Meningiomas without dural attachment are rare and, according to their locations, are classified into 5 varieties, including intraventricular, deep Sylvain fissure, pineal region, intraparenchymal, or subcortical meningiomas. To the best of our knowledge, intraparenchymal meningioma with cerebriform pattern has never been reported. In this paper, we report a 34-year-old Chinese male patient who presented with paroxysmal headaches and progressive loss of vision for 10 months and blindness for 2 weeks...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27686504/intraventricular-meningiomas-a-series-of-42-patients-at-a-single-institution-and-literature-review
#10
Danica Grujicic, Luigi Maria Cavallo, Teresa Somma, Rosanda Illic, Mihailo Milicevic, Savo Raicevic, Milica Skender Gazibara, Alessandro Villa, Dragan Savic, Domenico Solari, Paolo Cappabianca
BACKGROUND: Primary intraventricular meningiomas (IVMs) make up 0.5%-5% of all intracranial meningiomas and represent one of the most challenging lesions in neurosurgery. METHODS: Between 1990 and 2013, 42 patients (30 female, 12 male; mean age, 43.6 years) underwent resection of their IVM. The removal was performed by a posterior parietal approach in 19 of the 40 lateral ventricle tumors, and 1 third ventricle meningioma. The transcallosal approach was used for 3 meningiomas, and patients with other lesions underwent temporal (7 cases) and temporoparietal approaches (12 patients), respectively...
January 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27500774/-the-paramedian-supracerebellar-transtentorial-approach-to-the-mediobasal-temporal-region
#11
Yu A Grigoryan, A R Sitnikov, A V Timoshenkov, G Yu Grigoryan
UNLABELLED: The mediobasal temporal region (MTR) is located near the brain stem and surrounded by the eloquent neurovascular structures. The supracerebellar transtentorial approach (STA) is safe access to the posterior MTR structures, however its use for resection of anterior MTR lesions still remains controversial. The article describes the technique and outcome of surgery for different MTR structures using STA. MATERIAL AND METHODS: The paramedian STA was used in 18 patients (13 females and 5 males) for 7 years...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27437697/giant-atypical-intraventricular-meningioma-in-a-child
#12
Neofytos Prodromou, George A Alexiou, Kalliopi Stefanaki, Aimilia Moraiti, George Sfakianos
We present the case of a 14-year-old boy with a giant tumor of the lateral ventricle. The patient was operated upon. Histopathology showed the presence of an atypical meningioma. Postoperative imaging confirmed the complete tumor excision. Meningiomas although frequent in adults are rare in children. Intraventricular meningiomas are exceedingly rare. Complete surgical excision should be the goal of treatment and is usually associated with a favorable outcome.
2016: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27400094/fully-endoscopic-resection-of-intra-axial-brain-lesions-using-neuronavigated-pediatric-anoscope
#13
Murat Kutlay, Cahit Kural, Ilker Solmaz, Ozkan Tehli, Caglar Temiz, Mehmet Daneyemez, Yusuf Izci
AIM: To present a new simple disposable tubular retractor which provides fully endoscopic resections of the intraaxial brain lesions. MATERIAL AND METHODS: A total of 13 patients underwent surgical resection of an intraaxial brain lesion larger than 3 cm with a fully endoscopic approach using the navigation-guided pediatric anoscope. The anoscope was adapted to serve as a tubular retractor. All lesions were resected under endoscopic visualization and navigation guidance...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27245327/cerebrospinal-fluid-dissemination-of-anaplastic-intraventricular-meningioma-report-of-a-case-presenting-with-progressive-brainstem-dysfunction-and-multiple-cranial-nerve-palsies
#14
Motoki Fujimaki, Masashi Takanashi, Manami Kobayashi, Kei-ichiro Wada, Yutaka Machida, Akihide Kondo, Nobutaka Hattori, Hideto Miwa
BACKGROUND: It is extremely rare to see cerebrospinal fluid dissemination of intraventricular meningioma, particularly with the development of acute, progressive brainstem/cerebellar dysfunction with an absence of mass formation in the corresponding anatomical sites. CASE PRESENTATION: An 81-year-old man was admitted because of double vision, right facial nerve palsy and truncal ataxia. Brain magnetic resonance imaging showed normal findings except for a tumor mass in the left lateral ventricle, which had been noted over 6 months previously...
May 31, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27161477/leptomeningeal-dissemination-of-intraventricular-rhabdoid-meningioma-imaging-findings
#15
Ihsan Yuce, Suat Eren, Akin Levent, Mecit Kantarci, Ali Kurt, Onder Hilmi Okay
A 20-year-old male patient was admitted to our clinic with a 1-year history of headache. The patient's systemic-neurological examination and laboratory findings were normal. Computed tomography and magnetic resonance imaging were performed. Imaging findings showed calcified intraventricular mass and subependymal and gyral nodular lesions. There was a slight increase in ventricular volume. Surgical treatment was performed. Pathological specimens revealed the diagnosis of rhabdoid meningioma. Leptomeningeal dissemination refers to diffuse seeding of the leptomeninges by tumor metastases...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27114661/primary-intra-fourth-ventricular-meningioma-report-two-cases
#16
Nishanth Sadashiva, Shilpa Rao, Dwarakanath Srinivas, Dhaval Shukla
Meningioma's occurring intraventricular region are rare and these occurring in the fourth ventricle is even rare. Because of the rarity, it is not usually considered as a differential diagnosis in any age group. Clinical features and Imaging is not characteristic, and most of them are thought to be some different tumor. Here, we discuss two cases harboring a primary fourth ventricular meningioma Grade II, which was surgically excised successfully. Total excision was achieved in both cases and as the tumor was firm to soft and vermian splitting was not required...
April 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/27064583/microendoscopic-removal-of-deep-seated-brain-tumors-using-tubular-retraction-system
#17
Shailendra Ratre, Yad Ram Yadav, Vijay Singh Parihar, Yatin Kher
Background Retraction of the overlying brain can be difficult without causing significant trauma when using traditional brain retractors with blades. These retractors may produce focal pressure and may result in brain contusion or infarction. Tubular retractors offer the advantage of low retracting pressure that is less likely to be traumatic. Low retraction pressure in the tubular retractor is due to the distribution of retraction force in all directions in a larger area. Material and Methods We conducted a retrospective study of 100 patients with deep-seated tumors operated on from January 2010 to December 2014...
July 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27003199/ideomotor-apraxia-due-to-injury-of-the-superior-longitudinal-fasciculus
#18
Sung Ho Jang, Woo Hyuk Jang
We report on a patient who showed ideomotor apraxia due to injury of the superior longitudinal fasciculus following brain tumor and tumor bleeding, which was demonstrated by diffusion tensor tractography (DTT). A 60-yr-old, right-handed male patient underwent removal of brain meningioma and drainage of intraventricular hemorrhage and intracerebral hemorrhage in the left fronto-parietal lobe. At the time of DTT scanning (5 wk after onset), he was able to move the right upper extremity against gravity. The patient exhibited an intact ideational plan for motor performance...
August 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/26889294/grossly-calcified-choroid-plexus-concealing-foramen-of-monro-meningiomas-as-an-unusual-cause-of-obstructive-hydrocephalus
#19
Tomohiro Kawaguchi, Miki Fujimura, Teiji Tominaga
Various intraventricular tumors can present with calcifications; however, the choroid plexus can also have physiological calcifications. This is the first case report of meningiomas located at the bilateral foramen of Monro (FOM), concealed by a grossly calcified choroid plexus, presenting with obstructive hydrocephalus. A 60-year-old woman with disturbed consciousness was admitted by ambulance. Head computed tomography revealed significantly high-density lesions that smoothly extended from the choroid plexus of the lateral ventricles to the third ventricle...
January 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/26805678/minimally-invasive-transsulcal-resection-of-intraventricular-and-periventricular-lesions-through-a-tubular-retractor-system-multicentric-experience-and-results
#20
Javed Khader Eliyas, Ryan Glynn, Charles G Kulwin, Richard Rovin, Ronald Young, Juan Alzate, Gustavo Pradilla, Mitesh V Shah, Amin Kassam, Ivan Ciric, Julian Bailes
BACKGROUND: Conventional approaches to deep-seated cerebral lesions range from biopsy to transcortical or transcallosal resection. Although the former does not reduce tumor burden, the latter are more invasive and associated with greater potential for irreparable injury to normal brain. Disconnection syndrome, hemiparesis, hemianesthesia, or aphasia is not uncommon after such surgery, especially when lesion is large. By contrast, the transsulcal parafascicular approach uses naturally existing corridors and a tubular retractor to minimize brain injury...
June 2016: World Neurosurgery
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