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https://www.readbyqxmd.com/read/29034126/development-and-characterization-of-methylene-blue-oleate-salt-loaded-polymeric-nanoparticles-and-their-potential-application-as-a-treatment-for-glioblastoma
#1
J M Castañeda-Gill, A P Ranjan, J K Vishwanatha
Glioblastoma (GBM) is an aggressive, grade IV brain tumor that develops from astrocytes located within the cerebrum, resulting in poor prognosis and survival rates following an accepted treatment regimen of surgery, radiation, and temozolomide. Thus, development of new therapeutics is necessary. During the last two decades, methylene blue (MB) has received increased attention as a potential neurotherapeutic due to its duality in brain cancers and neurodegenerative diseases. While MB is capable of easily permeating the blood-brain barrier, its therapeutic concentrations in GBM are known to induce off-target cytotoxicity and thus, another mode of drug delivery must be considered...
August 2017: Journal of Nanomedicine & Nanotechnology
https://www.readbyqxmd.com/read/29033772/intraparenchymal-hemorrhage-due-to-brain-metastasis-of-hepatocellular-carcinoma
#2
Rafael Sartori Balbinot, Ana Laura Facco Muscope, Mateus Dal Castel, Silvana Sartori Balbinot, Raul Angelo Balbinot, Jonathan Soldera
Although extrahepatic metastases from hepatocellular carcinoma (HCC) are present in only 5-15% of cases, they are certainly factors associated with poor prognosis. The main sites include lung, lymph nodes, bones, and adrenal glands, in descending order. Metastasis in the central nervous system is extremely rare, and the incidences vary from 0.6 to 1.7%. We report a case of a 54-year-old man previously diagnosed with alcohol-induced cirrhosis of the liver and HCC. The patient was admitted presenting progressive left hemiparesis and headache which started 2 days earlier, with no history of cranioencephalic trauma...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29029292/minimizing-retraction-by-pia-arachnoidal-10-0-sutures-in-intrasulcal-dissection
#3
Kutluay Uluc, Ulas Cikla, Deniz B Morkan, Alperen Sirin, Azam S Ahmed, Kyle Swanson, Mustafa K Baskaya
BACKGROUND: In contemporary microneurosurgery reducing retraction-induced injury to the brain is essential. Self-retaining retractor systems are commonly used to improve visualization and decrease the repetitive microtrauma, but sometimes self-retaining retractor systems can be cumbersome and the force applied can cause focal ischemia or contusions. This may increase the morbidity and mortality. Here, we describe a technique of retraction using 10-0 sutures in the arachnoid. OBJECTIVE: To evaluate the imaging and clinical results in patients where 10-0 suture retraction was used to aid the surgical procedure...
September 19, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29018653/chiari-type-1-malformation-induced-intracranial-hypertension-with-diffuse-brain-edema-treated-with-foramen-magnum-decompression-a-case-report
#4
Toshiki Fukuoka, Yusuke Nishimura, Masahito Hara, Shoichi Haimoto, Kaoru Eguchi, Satoshi Yoshikawa, Toshihiko Wakabayashi, Howard J Ginsberg
Chiari type 1 malformation (CM1) rarely causes papilloedema, which is indicative of high intracranial pressure with or without ventricular dilatation. Furthermore, concomitant brain parenchymal abnormalities have not been reported to date. In this paper, the authors report on a young woman of CM1-induced intracranial hypertension (ICH) with diffuse brain edema with a focus on venous sinus assessment, and discuss the surgical strategy. A 24-year-old woman presented to Nagoya University Hospital complaining of 4-year history of severe occipital headache and blurry vision with slowly progressive worsening...
October 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/29018053/fluorescein-guided-surgery-for-resection-of-high-grade-gliomas-a-multicentric-prospective-phase-ii-study-fluoglio
#5
Francesco Acerbi, Morgan Broggi, Karl-Michael Schebesch, Julius Höhne, Claudio Cavallo, Camilla De Laurentis, Marica Eoli, Elena Anghileri, Maura Servida, Carlo Boffano, Bianca Pollo, Marco Schiariti, Sergio Visintini, Cristina Montomoli, Lorenzo Bosio, Emanuele La Corte, Giovanni Broggi, Alexander Brawanski, Paolo Ferroli
Purpose Sodium Fluorescein is a dye that, intravenously injected, selectively accumulates in high-grade glioma (HGG) tissue through a damaged blood-brain barrier. In this paper, the final results of a multicentric prospective phase II trial (FLUOGLIO) on fluorescein-guided HGG resection through a dedicated filter on the surgical microscope were reported. Methods Patients with suspected HGG considered suitable for removal were eligible to participate in this trial. Fluorescein was intravenously injected at a dose of 5-10 mg/Kg...
October 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28991694/dilemmas-in-the-diagnosis-and-treatment-of-intracranial-tuberculomas
#6
REVIEW
Rajeswari Ramachandran, M Muniyandi, Vijay Iyer, T Sripriya, B Priya, T G Govindarajan
Tuberculosis (TB) remains a major public health problem across the globe. A common form of extrapulmonary TB (EPTB) with high mortality and morbidity is neuro TB or tuberculosis of the nervous system. The management of brain TB remains a big challenge due to the lack of specific diagnostic tools and appropriate treatment guidelines. In this context, this manuscript discusses clinical, diagnostic and treatment dilemmas in the management of intracranial tuberculomas. Brain tuberculoma may occur at any site within the cranium, no part of the brain substance or ventricular surface being exempt...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28988350/predictors-of-30-and-90-day-readmission-following-craniotomy-for-malignant-brain-tumors-analysis-of-nationwide-data
#7
Daniel A Donoho, Timothy Wen, Robin M Babadjouni, William Schwartzman, Ian A Buchanan, Steven Y Cen, Gabriel Zada, William J Mack, Frank J Attenello
Hospital readmissions are a major contributor to increased health care costs and are associated with worse patient outcomes after neurosurgery. We used the newly released Nationwide Readmissions Database (NRD) to describe the association between patient, hospital and payer factors with 30- and 90-day readmission following craniotomy for malignant brain tumor. All adult inpatients undergoing craniotomy for primary and secondary malignant brain tumors in the NRD from 2013 to 2014 were included. We identified all cause readmissions within 30- and 90-days following craniotomy for tumor, excluding scheduled chemotherapeutic procedures...
October 7, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28987835/quality-and-quantity-of-memories-in-patients-who-underwent-awake-brain-tumor-resection
#8
Markus Klimek, Paul H van der Horst, Sanne E Hoeks, Robert Jan Stolker
OBJECTIVE: Awake craniotomy is performed with increasing frequency for brain tumor surgery in eloquent areas. However, little is known about patient's memories of this procedure. Therefore, we retrospectively analyzed quality and quantity of memories, in our patients, treated following a standardized protocol. METHODS: We treated 61 consecutive patients within 3 years. 48 of them were alive, when the study was performed. These patients received a questionnaire about their peri-operative memories and perceptions...
October 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28987827/surgical-management-of-giant-intracranial-meningioma-operative-nuances-challenges-and-outcome
#9
Vinayak Narayan, Shyamal C Bir, Nasser Mohammed, Amey R Savardekar, Devi Prasad Patra, Anil Nanda
INTRODUCTION: The giant intracranial meningioma [GIM] constitutes a different spectrum of brain tumors which invade the vital neurovascular structures and makes the primary mode of treatment, surgery, a technically challenging one. The surgery of GIM is unique due to its large size, prominent vascularity, entangling and limited visualisation of various neurovascular structures and severe cerebral edema. The study reports the authors surgical experience of 80 GIM cases, the operative challenges and surgical outcome...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28987196/overview-of-neuroradiology
#10
Elna-Marie Larsson, Johan Wikström
Neuroradiology with computed tomography (CT) and magnetic resonance imaging (MRI) is essential for the initial evaluation of patients with a clinical suspicion of brain and spine disorders. Morphologic imaging is required to obtain a probable diagnosis to support the treatment decisions in pre- and perinatal disorders, vascular diseases, traumatic injuries, metabolic disorders, epilepsy, infection/inflammation, neurodegenerative disorders, degenerative spinal disease, and tumors of the central nervous system...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28987193/brain-tumors-other-treatment-modalities
#11
Andreas Peyrl, Josa Frischer, Johannes A Hainfellner, Matthias Preusser, Karin Dieckmann, Christine Marosi
Management of tumors of the central nervous system is challenging for clinicians for various reasons, including complex diagnostic procedures, limited penetration of drugs into brain tissue, and the prerequisite to preserve brain function in any case of therapeutic intervention. Therapeutic success is dependent on the efforts, skills, and cooperation of involved specialists and disciplines. Knowledge and ability to apply adequate therapeutic modalities in an interdisciplinary approach in due time are crucial, necessitating coordination of diagnostic procedures and therapeutic interventions by means of multidisciplinary brain tumor boards...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28987192/bioimaging-and-surgery-of-brain-tumors
#12
Georg Widhalm, Tatjana Traub-Weidinger, Johannes A Hainfellner, Michal Bienkowski, Stefan Wolfsberger, Thomas Czech
Bioimaging of brain tumors using nuclear medicine techniques complements computed tomography (CT) and magnetic resonance imaging (MRI), thus allowing more accurate diagnosis in clinically ambiguous situations. Special tracers for positron emission tomography (PET) have been developed which allow monitoring and planning of therapy. PET data may provide also presurgical evidence with regard to the presence of clinically relevant molecular brain tumor biomarkers. Combined PET/CT and PET/MR hybrid imaging systems will further enhance bioimaging-based brain tumor analysis...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28986230/machine-learning-and-neurosurgical-outcome-prediction-a-systematic-review
#13
REVIEW
Joeky T Senders, Patrick C Staples, Aditya V Karhade, Mark M Zaki, William B Gormley, Marike L D Broekman, Timothy R Smith, Omar Arnaout
OBJECTIVE: Accurate measurement of surgical outcomes is highly desirable to optimize surgical decision-making. An important element of surgical decision making is identification of the patient cohort that will benefit from surgery prior to the intervention. Machine learning (ML) enables computers to learn from previous data to make accurate predictions on new data. In this systematic review, we evaluate the potential of ML for neurosurgical outcome prediction. METHODS: A systematic search in the Pubmed and Embase databases was performed to identify all potential relevant studies up to January 1, 2017...
October 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28984519/surgical-management-of-incidentally-discovered-diffusely-infiltrating-low-grade-glioma
#14
Michael Opoku-Darko, Stefan T Lang, James Artindale, J Gregory Cairncross, Robert J Sevick, John J P Kelly
OBJECTIVE Occasionally, diffusely infiltrating low-grade gliomas (LGGs) are identified as incidental findings in patients who have no signs or symptoms that can be ascribed to the tumors. The diagnosis of incidental, asymptomatic LGGs has become more frequent due to the vast increase in access to medical imaging technology. While management of these lesions remains controversial, early surgery has been suggested to improve outcome. The authors set out to identify and review the characteristics and surgical outcomes of patients who underwent surgical intervention for incidental LGG...
October 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28982901/association-between-interleukin-10-receptors-and-the-cd45-immunophenotype-of-central-nervous-system-tumors-a-preliminary-study
#15
Lukasz Zadka, Pawel Kram, Jeremi Koscinski, Roman Jankowski, Mariusz Kaczmarek, Katarzyna Piatek, Michal Kulus, Agnieszka Gomułkiewicz, Aleksandra Piotrowska, Piotr Dziegiel
BACKGROUND/AIM: One of the current hypotheses assumes that brain tumors exert an immunosuppressive influence on the surrounding cellular environment. Interleukin-10 (IL-10) is one of the immunosuppressive cytokines modifying the biological activity of cancer. The aim of this study was to assess the expression of IL10R in CD45(+) cells within primary brain tumors and metastases and establish its association with tumor basic immunophenotype. PATIENTS AND METHODS: Tissue samples were obtained intraoperatively during surgeries of 32 patients suffering from meningiomas (n=9), gliomas (n=12) and metastatic tumors (n=11)...
October 2017: Anticancer Research
https://www.readbyqxmd.com/read/28978064/are-three-weeks-hypofractionated-radiation-therapy-hfrt-comparable-to-six-weeks-for-newly-diagnosed-glioblastoma-patients-results-of-a-phase-ii-study
#16
Pierina Navarria, Federico Pessina, Stefano Tomatis, Riccardo Soffietti, Marco Grimaldi, Egesta Lopci, Arturo Chiti, Antonella Leonetti, Alessandra Casarotti, Marco Rossi, Luca Cozzi, Anna Maria Ascolese, Matteo Simonelli, Simona Marcheselli, Armando Santoro, Elena Clerici, Lorenzo Bello, Marta Scorsetti
BACKGROUND: The current standard of care for newly diagnosed glioblastoma (GBM) is surgical resection, followed by radiation therapy (RT) with concurrent and adjuvant temozolomide chemotherapy (TMZ-CHT). The patients outcome is still poor. In this study we evaluated hypofractionated radiation therapy (HFRT), instead of standard fractionated radiation therapy, with concomitant and adjuvant TMZ chemotherapy, in terms of safety and effectiveness. METHODS: Patients with newly diagnosed GBM, Karnofsky performance scale (KPS) ≥70, and tumor up to 10 cm underwent maximal feasible surgical resection were treated...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28974415/hypofractionated-stereotactic-radiation-therapy-to-the-resection-bed-for-intracranial-metastases
#17
Audrey Keller, Mélanie Doré, Hélène Cebula, François Thillays, François Proust, Ioana Darié, Stéphane-André Martin, Gregory Delpon, François Lefebvre, Georges Noël, Delphine Antoni
PURPOSE: To retrospectively report the outcomes of a large multicenter cohort of patients treated with surgery and hypofractionated stereotactic radiation therapy (HFSRT) to the resection cavities of brain metastases (BMs). METHODS AND MATERIALS: Between March 2008 and February 2015, 181 patients with no prior whole-brain radiation therapy (WBRT) were treated by HFSRT to the surgical bed of BM at the dose of 33 Gy (3 × 11 Gy). The primary endpoint was local control...
August 19, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28969482/parent-reports-of-children-s-working-memory-coping-and-emotional-behavioral-adjustment-in-pediatric-brain-tumor-patients-a-pilot-study
#18
Leandra Desjardins, Jennifer C Thigpen, Molly Kobritz, Alexandra H Bettis, Meredith A Gruhn, Megan Ichinose, Kristen Hoskinson, Claire Fraley, Allison Vreeland, Colleen McNally, Bruce E Compas
Neurocognitive problems in childhood survivors of brain tumors are well documented. Further, research has shown that problems in cognitive functioning may be associated with impairment in the use of complex strategies needed to cope with stress, including secondary control coping strategies (e.g., acceptance and cognitive reappraisal) which have been associated with fewer adjustment problems. The present study measured cognitive function, coping strategies, and adjustment in children ages 6-16 years at the time of brain tumor diagnosis and at two follow-up time-points up to 1 year post-diagnosis...
October 2, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28968316/management-of-a-brain-abscess-presumably-caused-by-radiation-osteomyelitis-of-the-mandible
#19
Tadahide Noguchi, Naruo Okada, Yoshiyuki Tsuchiya, Shunji Sarukawa, Akifumi Fujita, Hiroshi Nishino, Yoshinori Jinbu, Yoshiyuki Mori
In this clinical report, we present the management of a brain abscess that was presumed to be caused by radiation osteomyelitis of the mandible. The patient underwent chemoradiotherapy for oropharyngeal carcinoma on the left side at the Department of Otolaryngology of our hospital in 2000. Local recurrence or metastasis did not occur post-treatment. In January 2009, the patient was diagnosed with radiation osteomyelitis of the mandible on the left side, complicated by a pathologic fracture. In July 2011, numbness occurred in the left upper extremity and the patient was transferred to the emergency center of our hospital...
September 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28967307/introduction-surgical-management-of-skull-base-meningiomas
#20
Gabriel Zada, Mustafa K Başkaya, Mitesh V Shah
Meningiomas represent the most common primary intracranial neoplasm treated by neurosurgeons. Although multimodal treatment of meningiomas includes surgery, radiation-based treatments, and occasionally medical therapy, surgery remains the mainstay of treatment for most symptomatic meningiomas. Because of the intricate relationship of the dura mater and arachnoid mater with the central nervous system and cranial nerves, meningiomas can arise anywhere along the skull base or convexities, and occasionally even within the ventricular system, thereby mandating a catalog of surgical approaches that neurosurgeons may employ to individualize treatment for patients...
October 2017: Neurosurgical Focus
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