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Brain tumors AND complications

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https://www.readbyqxmd.com/read/29350351/convection-enhanced-delivery-of-cetuximab-conjugated-iron-oxide-nanoparticles-for-treatment-of-spontaneous-canine-intracranial-gliomas
#1
A Courtenay Freeman, Simon R Platt, Shannon Holmes, M Kent, Kelsey Robinson, Elizabeth Howerth, Joe Eagleson, Alexandros Bouras, Milota Kaluzova, Constantinos G Hadjipanayis
Cetuximab conjugated iron-oxide nanoparticles (cetuximab-IONPs) have shown both in-vitro and in-vivo anti-tumor efficacy against gliomas. The purpose of this pilot study was to evaluate the safety and potential efficacy of cetuximab-IONPs for treatment of spontaneously occurring intracranial gliomas in canines after convection-enhanced delivery (CED). The use of CED allowed for direct infusion of the cetuximab-IONPs both intratumorally and peritumorally avoiding the blood brain barrier (BBB) and limiting systemic effects...
January 19, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29350274/t-lymphocytes-facilitate-brain-metastasis-of-breast-cancer-by-inducing-guanylate-binding-protein-1-expression
#2
Dana A M Mustafa, Rute M S M Pedrosa, Marcel Smid, Marcel van der Weiden, Vanja de Weerd, Alex L Nigg, Cor Berrevoets, Lona Zeneyedpour, Neibla Priego, Manuel Valiente, Theo M Luider, Reno Debets, John W M Martens, John A Foekens, Anieta M Sieuwerts, Johan M Kros
The discovery of genes and molecular pathways involved in the formation of brain metastasis would direct the development of therapeutic strategies to prevent this deadly complication of cancer. By comparing gene expression profiles of Estrogen Receptor negative (ER-) primary breast tumors between patients who developed metastasis to brain and to organs other than brain, we found that T lymphocytes promote the formation of brain metastases. To functionally test the ability of T cells to promote brain metastasis, we used an in vitro blood-brain barrier (BBB) model...
January 19, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29332604/the-effect-of-an-adenosine-a2a-agonist-on-intra-tumoral-concentrations-of-temozolomide-in-patients-with-recurrent-glioblastoma
#3
Sadhana Jackson, Jon Weingart, Edjah K Nduom, Thura T Harfi, Richard T George, Dorothea McAreavey, Xiaobu Ye, Nicole M Anders, Cody Peer, William D Figg, Mark Gilbert, Michelle A Rudek, Stuart A Grossman
BACKGROUND: The blood-brain barrier (BBB) severely limits the entry of systemically administered drugs including chemotherapy to the brain. In rodents, regadenoson activation of adenosine A2A receptors causes transient BBB disruption and increased drug concentrations in normal brain. This study was conducted to evaluate if activation of A2A receptors would increase intra-tumoral temozolomide concentrations in patients with glioblastoma. METHODS: Patients scheduled for a clinically indicated surgery for recurrent glioblastoma were eligible...
January 15, 2018: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/29330748/surgery-in-elderly-patients-with-intracranial-meningioma-neuropsychological-functioning-during-a-long-term-follow-up
#4
Andrea Di Cristofori, Barbara Zarino, Giulio Bertani, Marco Locatelli, Paolo Rampini, Giorgio Carrabba, Manuela Caroli
Surgical treatment of elderly patients with meningioma is has proved to be safe, especially when patients are selected using dedicated surgical scores. These scores take into account tumor size, edema, location and patient's co-morbidities. Neuropsychological functioning (NPF) of this kind of patients has been poorly studied in literature and it is not taken into account by these scores. Aim of our study was to describe the long-term outcome in terms of NPF of elderly patients undergoing surgery. Patients older than 70 years of age affected by intracranial meningioma and selected with the Clinical-Radiological Grading Score were included in our study...
January 12, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29329273/transcriptomics-evidence-for-common-pathways-in-human-major-depressive-disorder-and-glioblastoma
#5
Yongfang Xie, Ling Wang, Zengyan Xie, Chuisheng Zeng, Kunxian Shu
Depression as a common complication of brain tumors. Is there a possible common pathogenesis for depression and glioma? The most serious major depressive disorder (MDD) and glioblastoma (GBM) in both diseases are studied, to explore the common pathogenesis between the two diseases. In this article, we first rely on transcriptome data to obtain reliable and useful differentially expressed genes (DEGs) by differential expression analysis. Then, we used the transcriptomics of DEGs to find out and analyze the common pathway of MDD and GBM from three directions...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29305683/the-use-of-5-aminolevulinic-acid-to-assist-gross-total-resection-of-pediatric-astroblastoma
#6
Yuji Agawa, Takafumi Wataya
PURPOSE: Astroblastoma is an uncommon pediatric neuroepithelial tumor. The prognosis and appropriate treatment of astroblastoma were not well understood. Previous reports suggested the best treatment for astroblastoma is surgical total resection. The authors report a case of pediatric astroblastoma that underwent gross total resection with the use of fluorescent guidance by 5-aminolevulinic acid (5-ALA). CASE REPORT: A 13-year-old girl presented with the tumor that was well-circumscribed cystic and solid mass with marked gadolinium enhancement in the right occipital lobe...
January 5, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29304919/cranial-tumor-surgical-outcomes-at-a-high-volume-academic-referral-center
#7
Desmond A Brown, Benjamin T Himes, Brittny T Major, Benjamin F Mundell, Ravi Kumar, Bruce Kall, Fredric B Meyer, Michael J Link, Bruce E Pollock, John D Atkinson, Jamie J Van Gompel, W Richard Marsh, Giuseppe Lanzino, Mohamad Bydon, Ian F Parney
OBJECTIVE: To determine adverse event rates for adult cranial neuro-oncologic surgeries performed at a high-volume quaternary academic center and assess the impact of resident participation on perioperative complication rates. PATIENTS AND METHODS: All adult patients undergoing neurosurgical intervention for an intracranial neoplastic lesion between January 1, 2009, and December 31, 2013, were included. Cases were categorized as biopsy, extra-axial/skull base, intra-axial, or transsphenoidal...
January 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29284779/adsorption-rheological-properties-of-blood-serum-in-lung-cancer-patients
#8
Y V Dumanskiy, O Y Stoliarova, O V Syniachenko, M F Giulmamedova, Y A Potapov
The aim and objectives of the study were to investigate the state of adsorption-rheological properties of blood (ARPB) in patients with different clinical course of lung cancer (LC), the detection of violations of surface-active, viscoelastic and relaxation properties of blood serum, their association with tumor markers, the evaluation of the prognostic value of initial indexes in the development of complications from radiochemotherapy. PATIENTS AND METHODS: The study included 115 patients with LC at the age from 24 to 80 years (average age 58 years), among whom there were 78% men and 22% women...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29280026/management-of-non-functioning-pituitary-adenomas-surgery
#9
REVIEW
David L Penn, William T Burke, Edward R Laws
Non-functional pituitary adenomas (NFPAs) are benign tumors of the pituitary gland that do not over-secrete hormonal products, therefore, they are generally detected through symptoms of mass effect, including headache, vision loss, or hypopituitarism. There are multiple pathological subtypes of NFPAs, such as null cell adenomas, silent gonadotrophs, silent somatotrophs, silent corticotrophs, and silent subtype 3, all of which can be classified based on immunohistochemical studies and electron microscopy. Despite these numerous pathological subtypes, surgical resection remains the first-line treatment for NFPAs...
December 26, 2017: Pituitary
https://www.readbyqxmd.com/read/29241172/neurophysiological-monitoring-and-awake-craniotomy-for-resection-of-intracranial-gliomas
#10
Taiichi Saito, Manabu Tamura, Mikhail F Chernov, Soko Ikuta, Yoshihiro Muragaki, Takashi Maruyama
Aggressive resection of intracranial gliomas has a positive impact on patients' prognosis, but is associated with a risk of neurological complications. For preservation of brain functions and avoidance of major postoperative morbidity various methods of intraoperative neurophysiological monitoring have been introduced into clinical practice. At present, somatosensory evoked potentials (SSEP), motor evoked potentials (MEP), visual evoked potentials (VEP), brainstem auditory evoked potentials (BAEP), and electrocorticography (ECoG) are used routinely during neurosurgical procedures...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29239188/-evaluation-of-inflammatory-cells-tumor-infiltrating-lymphocytes-in-solid-tumors
#11
P Dundr, K Němejcová, M Bártů, R Matěj, Z Rohan, I Tichá
BACKGROUND: The tumor microenvironment plays an important role in tumorigenesis and the tumor-host relationship. An important part of the tumor microenvironment is inflammatory infiltration. Its evaluation in solid tumors has prognostic meaning and appears also to be predictive of outcome, which is particularly important for predicting responses to immune checkpoint inhibitors. However, the methodology used to assess inflammatory infiltration is problematic, because it has been standardized only for certain types of tumors...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29238923/endoscopic-therapy-and-curative-effect-in-pituitary-adenoma-patients-complicated-by-acromegalic-cardiomyopathy
#12
Heping Zhou, Zhengjiang Zha, Xiangdong Li, Xinsheng Chen, Jing Wang, Zhongzhou Su
The study aimed to retrospectively analyze the clinical characteristics of patients with pituitary adenomas complicated by acromegalic cardiomyopathy and to evaluate the effect of endoscopic surgery. Eighty-six pituitary adenoma patients complicated by acromegalic cardiomyopathy who were treated with endoscopic surgery in the First Affiliated Hospital of Soochow University from January 2010 to December 2016 were enrolled. We noted patient clinical characteristics and explored the relationships with surgical treatment...
December 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29237498/vitreous-hemorrhage-and-rhegmatogenous-retinal-detachment-that-developed-after-botulinum-toxin-injection-to-the-extraocular-muscle-case-report
#13
Dong Hyun Lee, Jinu Han, Sueng-Han Han, Sung Chul Lee, Min Kim
BACKGROUND: The authors report a case of a rare complication that occurred after botulinum toxin injection to the extraocular muscle, which was easily overlooked and successfully corrected by surgery. CASE PRESENTATION: A 34-year-old female patient visited our clinic for diplopia and ocular motility disorder after removal of an epidermoid tumor of the brain. At her initial visit, her best-corrected visual acuity (BCVA) was 20/20 for both eyes. An alternate cover test showed 45 prism-diopter esotropia and 3 prism-diopter hypertropia in the right eye...
December 13, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29230288/embryonal-tumor-with-multilayered-rosettes-c19mc-altered-report-of-an-extremely-rare-malignant-pediatric-central-nervous-system-neoplasm
#14
Muhammad Usman Tariq, Zubair Ahmad, Muhammad Khurram Minhas, Aisha Memon, Noreen Mushtaq, Cynthia Hawkins
The 2016 update of the WHO Classification of Tumours of the Central Nervous System has redefined a number of tumors. Embryonal tumor with multilayered rosettes, C19MC-altered is one such tumor entity which has been newly defined on the basis of a characteristic molecular alteration. We report, to our knowledge, the first case of this rare pediatric brain neoplasm in the Pakistani population. An 8-month-old girl was presented with vomiting and left-sided ptosis, and magnetic resonance imaging scan showed a cerebellar tumor...
2017: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29229965/transfer-of-minibeam-radiation-therapy-into-a-cost-effective-equipment-for-radiobiological-studies-a-proof-of-concept
#15
Y Prezado, M Dos Santos, W Gonzalez, G Jouvion, C Guardiola, S Heinrich, D Labiod, M Juchaux, L Jourdain, C Sebrie, F Pouzoulet
Minibeam radiation therapy (MBRT) is an innovative synchrotron radiotherapy technique able to shift the normal tissue complication probability curves to significantly higher doses. However, its exploration was hindered due to the limited and expensive beamtime at synchrotrons. The aim of this work was to develop a cost-effective equipment to perform systematic radiobiological studies in view of MBRT. Tumor control for various tumor entities will be addressable as well as studies to unravel the distinct biological mechanisms involved in normal and tumor tissues responses when applying MBRT...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29226043/applications-of-whole-brain-tractography-and-implications-for-clinical-practice
#16
REVIEW
Brian W Wu, Stephanie Barr
The complicated nature of neurological diseases-and the importance of accurate diagnosis and treatment for patient quality of life-have made the need for more advanced imaging techniques more urgent than ever. Automated whole brain tractography promises to increase the knowledge that neurologists have of a variety of disease processes, including schizophrenia, age-related changes to white matter, brain tumors, and epilepsy.
October 5, 2017: Curēus
https://www.readbyqxmd.com/read/29221145/subependymal-giant-cell-astrocytomas-in-tuberous-sclerosis-complex-have-consistent-tsc1-tsc2-biallelic-inactivation-and-no-braf-mutations
#17
Anika Bongaarts, Krinio Giannikou, Roy J Reinten, Jasper J Anink, James D Mills, Floor E Jansen, G M Wim Spliet, Willfred F A den Dunnen, Roland Coras, Ingmar Blümcke, Werner Paulus, Theresa Scholl, Martha Feucht, Katarzyna Kotulska, Sergiusz Jozwiak, Anna Maria Buccoliero, Chiara Caporalini, Flavio Giordano, Lorenzo Genitori, Figen Söylemezoğlu, José Pimentel, Mark Nellist, Antoinette Y N Schouten-van Meeteren, Anwesha Nag, Angelika Mühlebner, David J Kwiatkowski, Eleonora Aronica
Subependymal giant cell astrocytomas (SEGAs) are rare, low-grade glioneuronal brain tumors that occur almost exclusively in patients with tuberous sclerosis complex (TSC). Though histologically benign, SEGAs can lead to serious neurological complications, including hydrocephalus, intractable seizures and death. Previous studies in a limited number of SEGAs have provided evidence for a biallelic two-hit inactivation of either TSC1 or TSC2, resulting in constitutive activation of the mechanistic target of rapamycin complex 1 pathway...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29210102/the-use-of-droplet-digital-pcr-in-liquid-biopsies-a-highly-sensitive-technique-for-myd88-p-l265p-detection-in-cerebrospinal-fluid
#18
Laura S Hiemcke-Jiwa, Monique C Minnema, Joyce H Radersma-van Loon, N Mehdi Jiwa, Mirthe de Boer, Roos J Leguit, Roel A de Weger, Manon M H Huibers
The gold standard for diagnosis of central nervous system lymphomas still regards a stereotactic brain biopsy, with the risk of major complications for the patient. As tumor cells can be detected in cerebrospinal fluid (CSF), CSF analysis can be used as an alternative. In this respect, mutation analysis in CSF can be of added value to other diagnostic parameters such a cytomorphology and clonality analysis. A well-known example of targeted mutation analysis entails MYD88 p.(L265P) detection, which is present in the majority of Bing Neel syndrome and primary central nervous system lymphoma (PCNSL) patients...
December 6, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/29209875/non-routine-discharge-disposition-is-associated-with-post-discharge-complications-and-30-day-readmissions-following-craniotomy-for-brain-tumor-resection
#19
Nikita Lakomkin, Constantinos G Hadjipanayis
Several studies have reported an association between high-volume brain tumor centers and greater rates of routine discharge disposition in the context of better outcomes. However, the relationship between in-hospital complications, discharge destination, and postoperative adverse events (AEs) remains unexplored. The purpose of this study was thus to use a large, prospectively collected database to examine the association between discharge destination, post-discharge complications, readmissions, and reoperations among patients undergoing craniotomy for brain tumor...
December 5, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29204199/clinicopathological-study-of-pediatric-posterior-fossa-tumors
#20
Kadali Satya Vara Prasad, D Ravi, Vijay Pallikonda, Bhavana Venkata Satya Raman
Context: Brain tumor is one of the most devastating forms of human illness, especially when occurring in the posterior fossa and involving the brainstem. Tumors in the posterior fossa are considered some of the most critical brain lesions. This is primarily due to the limited space within the posterior fossa, as well as the potential involvement of the vital brainstem nuclei. Aims: The aim of this study is to analyze the incidence, clinical features, surgical outcome, complications, and prognosis in a series of 37 pediatric patients with posterior fossa tumors who underwent surgery between September 2012 and January 2015 from the Department of Neurosurgery, King George Hospital, Visakhapatnam (both prospective and retrospective study)...
July 2017: Journal of Pediatric Neurosciences
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