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Gliomatosis

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https://www.readbyqxmd.com/read/29861635/lactoferrin-and-rgd-comodified-temozolomide-and-vincristine-coloaded-nanostructured-lipid-carriers-for-gliomatosis-cerebri-combination-therapy
#1
Jicai Zhang, Xiang Xiao, Jianming Zhu, Ziyun Gao, Xianliang Lai, Xingen Zhu, Guohua Mao
Purpose: Glioblastoma multiforme (GBM) is the most common malignant brain tumor originating in the central nervous system in adults. Based on nanotechnology such as liposomes, polymeric nanoparticles, and lipid nanoparticles, recent research efforts have been aimed to target drugs to the brain. Methods: In this study, lactoferrin- and arginine-glycine-aspartic acid (RGD) dual- ligand-comodified, temozolomide and vincristine-coloaded nanostructured lipid carriers (L/RT/V-NLCs) were introduced for GBM combination therapy...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29752148/malignant-primary-diffuse-leptomeningeal-gliomatosis-with-histone-h3-3-k27m-mutation
#2
C Champeaux, A Drier, B Devaux, A Tauziède-Espariat
INTRODUCTION: Malignant primary diffuse leptomeningeal gliomatosis (MPDLG) are rare central nervous system neoplasms associated with a poor outcome. CASE REPORT: We report the case of a 40-year-old woman who presented with unusual worsening of bilateral sciatica, headaches, diplopia and a left proptosis. MRI of the head and spine showed multiple leptomeningeal lesions with no intra parenchymal involvement. The search for a primary tumor was negative. An open surgical biopsy of the prominent intradural lumbar tumor was performed within a week...
May 8, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29665752/histopathologic-findings-in-canine-pituitary-glands
#3
Margaret A Miller, David S Bruyette, J Catharine Scott-Moncrieff, Tina Jo Owen, José A Ramos-Vara, Hsin-Yi Weng, Andrea L Vanderpool, Annie V Chen, Linda G Martin, Deidre M DuSold, Sina Jahan
To optimize the histologic evaluation of hypophysectomy specimens, sections of 207 canine pituitary glands (196 postmortem, 11 hypophysectomy specimens) were reviewed. Adenohypophyseal proliferation was the most common (n = 79) lesion. Proliferative lesions were sparsely to densely granulated; the granules were usually basophilic to chromophobic and periodic acid-Schiff-positive. Adenohypophyseal proliferation was classified as hyperplasia (n = 40) if ≤2 mm diameter with intact reticulin network, as microadenoma (n = 22) for 1-5 mm homogeneous nodules with lost reticulin network, or as macroadenoma (n = 17) for larger tumors...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29523036/immature-ovarian-teratoma-with-gliomatosis-peritonei-with-adenocarcinomatous-differentiation-in-one-of-the-lymph-node-s-metastasis
#4
Jyoti Rajpoot, Neelam Sahani, Sufian Zaheer, Indrani Dhawan
No abstract text is available yet for this article.
March 9, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29464663/incidence-and-survival-of-gliomatosis-cerebri-a-population-based-cancer-registration-study
#5
Marios K Georgakis, Dimitrios Spinos, Apostolos Pourtsidis, Amanda Psyrri, Ioannis G Panourias, Spyridon Sgouros, Eleni Th Petridou
Gliomatosis cerebri (GC) comprises a rare widespread infiltrating growth pattern of diffuse gliomas. We explored the incidence patterns and survival rates of GC in a population-based registration sample from the Surveillance, Epidemiology and End, Results database (1973-2012). GC cases (n = 176) were identified based on their International Classification of Diseases in Oncology (ICD-O-3) morphology code (9381). We calculated age-adjusted incidence rates (AIR) and evaluated temporal trends. Survival was assessed with Kaplan-Meier curves and Cox regression models...
June 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29459616/gliomatosis-cerebri-a-rare-brain-tumor
#6
M M Rahman, S M Rahman, S Ahmed, S Parveen, M Lailatunnessa
Gliomatosis Cerebri is a rare brain tumor. There is diversity of presentation in cases due to the nature of its diffuse involvement. Very recently, on February 2016 in the department of Paediatric Neurology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh we encountered a 10 years old boy who initially mimicked as tuberculoma of brain but later on diagnosed as Gliomatosis Cerebri on the basis of brain MRI and brain biopsy. Prognosis is always very gloomy regardless of the treatment strategy adopted...
January 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29368082/chondroid-nodule-in-the-female-peritoneum-arises-from-normal-tissue-and-not-from-teratoma-or-conception-product
#7
Tatiana Franceschi, Fabienne Allias, Claire Mauduit, Pierre-Adrien Bolze, Mojgan Devouassoux-Shisheboran
The pathogenesis of benign-looking cartilaginous tissue within the peritoneum is unknown. Chondroid metaplasia of subcoelomic mesenchyme has been suggested, as has been the case for other gynecological diseases such as endometriosis, peritoneal leiomyomatosis, or gliomatosis peritonei, but has never been proven. Chondroid nodules in the peritoneum may represent either teratomatous tissue, fetal rests from a conception product, or metaplasia of pluripotent mesenchymal cells. Herein, the unique genetic characteristics of ovarian teratomas (homozygous at many polymorphic microsatellite loci) versus normal tissues (heterozygous at the same loci) were used to investigate the origin of chondroid nodules in the peritoneum...
January 24, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29323089/gliomatosis-peritonei-in-mature-cystic-teratoma
#8
Gaurav Singla, Sufian Zaheer, Swati Singla, Sachin Kolte, Ashish Kumar Mandal
No abstract text is available yet for this article.
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29133710/role-of-preoperative-imaging-in-the-diagnosis-of-primary-diffuse-craniospinal-leptomeningeal-gliomatosis
#9
Jayant Vishal, Rana Patir, Sunita Ahlawat, Rakesh K Gupta
We present an unusual case of primary diffuse craniospinal leptomeningeal gliomatosis (PGDL), who was initially diagnosed on the basis of imaging, laboratory findings, and cranial meningeal biopsy as tuberculous meningitis and showed clinical deterioration while on anti-tuberculous treatment for 2 months. The patient was subsequently correctly diagnosed on diffusion weighted and post-contrast T1-weighted imaging of the craniospinal axis along with whole body imaging. The radiological findings were confirmed on histopathology and immunohistochemistry performed from the previous block as well as biopsy from the nodular mass in the lumbosacral meninges...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29110365/magnetic-resonance-imaging-features-of-canine-gliomatosis-cerebri
#10
Daniela Schweizer-Gorgas, Diana Henke, Anna Oevermann, Johann Lang, Marc Vandevelde, Frank Steffen
A retrospective, case series study was undertaken to identify magnetic resonance imaging (MRI) characteristics of gliomatosis cerebri in dogs. Fourteen dogs were included by review of histopathological records and contemporaneous MRI. On MRI, all lesions presented as ill-defined, intraaxial lesions within the left and right forebrain hemispheres with involvement of white and gray matter. Lesions presented as hyperintense areas on T2-weighted and FLAIR sequences and as hypointense or isointense areas on T1-weighted images, with mild parenchymal contrast enhancement in three dogs...
March 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29062809/parenchymal-infiltration-in-primary-diffuse-leptomeningeal-gliomatosis-dynamic-changes-in-brain-mri
#11
Yun Jiang, Juan Chen, Jing He, Ao Pei, Jinsong Zhang, Yinhong Liu
Primary diffuse leptomeningeal gliomatosis (PDLG) is a rare and fatal disease with no special clinical manifestations. Here, we report the dynamic brain magnetic resonance imaging (MRI) changes in a 30-year-old female PDLG patient over a 10-month period. MRI showed aggressive dilation of the subarachnoid space and the ventricular system, numerous encapsulated cysts in the subarachnoid space and the dilated cerebral sulci, diffuse reticulated or focal nodular enhancement in the subarachnoid space, as well as overall enhancement in the cystic walls...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29028423/2016-updates-to-the-who-brain-tumor-classification-system-what-the-radiologist-needs-to-know
#12
REVIEW
Derek R Johnson, Julie B Guerin, Caterina Giannini, Jonathan M Morris, Lawrence J Eckel, Timothy J Kaufmann
Radiologists play a key role in brain tumor diagnosis and management and must stay abreast of developments in the field to advance patient care and communicate with other health care providers. In 2016, the World Health Organization (WHO) released an update to its brain tumor classification system that included numerous significant changes. Several previously recognized brain tumor diagnoses, such as oligoastrocytoma, primitive neuroectodermal tumor, and gliomatosis cerebri, were redefined or eliminated altogether...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28900469/necrotic-ulcerated-and-bleeding-striae-distensae-following-bevacizumab-in-a-palliative-setting-for-gliobastomatosis-cerebri
#13
Olivia Laugier, Laetitia Padovani, Arnauld Verschuur, Caroline Gaudy-Marqueste, Nicolas André
Glioblastoma cerebri is a rare paediatric malignancy with dismal prognosis [Chappé C, Riffaud L, and Tréguier C et al (2013) Primary gliomatosis cerebri involving gray matter in pediatrics: a distinct entity? A multicenter study of 14 casesChilds Nerv Syst29 565-571 https://doi.org/10.1007/s00381-012-2016-1 PMID: 23306961] and no established standard of care. Here, we report a case of ulcerated and bleeding striae distensae in a teenage girl following palliative treatment with bevacizumab and steroids.
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28837843/positive-influence-of-partial-resection-on-overall-survival-of-patients-with-overlapping-glioblastomas
#14
Johanna Quick-Weller, Stephanie Tritt, Peter Baumgarten, Jürgen Konczalla, Sepide Kashefiolasl, Anika Noack, Julia Tichy, Volker Seifert, Gerhard Marquardt
OBJECTIVES: Patients with overlapping glioblastomas (former known as gliomatosis cerebri according to the 2007 WHO classification) have a poor prognosis. Most of the patients undergo biopsy to confirm histopathological diagnosis. Treatment comprises chemotherapy, radiation and combination of both. We determined whether resection of the contrast enhancing tumor parts leads to a prolonged survival. PATIENTS AND METHODS: We performed a retrospective analysis and included 31 patients with overlapping glioblastomas (OG) who showed WHO IV in the initial histopathological examination...
October 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28815663/who-2016-classification-of-gliomas
#15
REVIEW
P Wesseling, D Capper
Gliomas are the most frequent intrinsic tumours of the central nervous system and encompass two principle subgroups: diffuse gliomas and gliomas showing a more circumscribed growth pattern ('nondiffuse gliomas'). In the revised fourth edition of the WHO Classification of CNS tumours published in 2016, classification of especially diffuse gliomas has fundamentally changed: for the first time, a large subset of these tumours is now defined based on presence/absence of IDH mutation and 1p/19q codeletion. Following this approach, the diagnosis of (anaplastic) oligoastrocytoma can be expected to largely disappear...
February 2018: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28539209/gliomatosis-cerebri-prognosis-based-on-current-molecular-markers
#16
REVIEW
Monish M Maharaj, Kevin Phan, Joshua Xu, Jacob Fairhall, Rajesh Reddy, Prashanth J V Rao
This study aims to review the literature and identify key molecular markers affecting the prognosis of Gliomatosis cerebri (2) to evaluate the level of evidence and identify outstanding markers requiring further study. A literature search was conducted across 5 major databases using the key terms: "Molecular markers" AND "Gliomatosis cerebri" OR "diffuse astrocytoma." Critical appraisal and data presentation was performed inline with the PRISMA guidelines. Following search strategy implementation, 11 studies were included in the final review process...
September 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28516072/bevacizumab-in-recurrent-glioma-patterns-of-treatment-failure-and-implications
#17
REVIEW
Yi Li, Saad Ali, Jennifer Clarke, Soonmee Cha
Glioblastoma, the most common primary malignant brain tumor in adults, is highly aggressive and associated with a poor prognosis. Bevacizumab, a monoclonal antibody against the vascular endothelial growth factor receptor, has increasingly been used in the treatment of recurrent glioblastoma. It has achieved excellent rates of radiographic response, but most patients will progress after only a few months. Upon recurrence, tumors may not enhance, secondary to vascular normalization. We describe four patterns of radiographic progression commonly associated with Bevacizumab failure: 1) Distant enhancing tumor, 2) Local tumor progression without enhancement, 3) Diffuse gliomatosis-like infiltration, and 4) Local or multifocal progression, with enhancement...
April 2017: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/28486262/an-adolescent-presenting-with-seizures-as-a-symptom-of-gliomatosis-cerebri
#18
Elena Blanco-Iglesias, Beatriz Cabeza, Elena Garcia Esparza, Inmaculada de Prada, Alvaro Lassaletta, Marcelo Budke, Ana Serrano
Gliomatosis cerebri is a diffuse infiltrating glioma of neuroepithelial origin that affects more than 2 cerebral lobes. This is rarely seen in pediatric patients. The clinical presentation and imaging are very unspecific, and a biopsy is typically needed for the diagnosis. Given the widespread nature of the disease, surgical treatment is not possible and has a poor overall prognosis. A pediatric patient presented with elevated intracranial pressure. All initial studies were negative, and the imaging showed a symmetrical affection involving the supratentorial and infratentorial regions...
May 8, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28484570/gliomatosis-cerebri-in-a-10-year-old-male-patient
#19
Atahualpa Strapasson, Ápio Cláudio Martins Antunes, Francine Oliveira, Paulo P Oppitz
No abstract text is available yet for this article.
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28447171/prevalence-and-clinicopathological-features-of-h3-3-g34-mutant-high-grade-gliomas-a-retrospective-study-of-411-consecutive-glioma-cases-in-a-single-institution
#20
Koji Yoshimoto, Ryusuke Hatae, Yuhei Sangatsuda, Satoshi O Suzuki, Nobuhiro Hata, Yojiro Akagi, Daisuke Kuga, Murata Hideki, Koji Yamashita, Osamu Togao, Akio Hiwatashi, Toru Iwaki, Masahiro Mizoguchi, Koji Iihara
A recurrent glycine-to-arginine/valine alteration at codon 34 (G34R/V) within H3F3A, a gene that encodes the replication-independent histone variant H3.3, reportedly occurs exclusively in pediatric glioblastomas. However, the clinicopathological and biological significances of this mutation have not been completely elucidated; especially, no such data exist for tumor samples from Japanese patients. We analyzed 411 consecutive glioma cases representing patients of all ages. Our results demonstrated that 14 patients (3...
July 2017: Brain Tumor Pathology
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