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https://www.readbyqxmd.com/read/28330942/primary-angiitis-of-the-central-nervous-system-magnetic-resonance-imaging-spectrum-of-parenchymal-meningeal-and-vascular-lesions-at-baseline
#1
Grégoire Boulouis, Hubert de Boysson, Mathieu Zuber, Loïc Guillevin, Eric Meary, Vincent Costalat, Christian Pagnoux, Olivier Naggara
BACKGROUND AND PURPOSE: Primary angiitis of the central nervous system remains challenging. To report an overview and pictorial review of brain magnetic resonance imaging findings in adult primary angiitis of the central nervous system and to determine the distribution of parenchymal, meningeal, and vascular lesions in a large multicentric cohort. METHODS: Adult patients from the French COVAC cohort (Cohort of Patients With Primary Vasculitis of the Central Nervous System), with biopsy or angiographically proven primary angiitis of the central nervous system and brain magnetic resonance imaging available at the time of diagnosis were included...
March 22, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28321515/isolated-optic-neuritis-associated-with-mycoplasma-pneumoniae-infection-report-of-two-cases-and-literature-review
#2
Seo-Young Choi, You-Jin Choi, Jae-Hwan Choi, Kwang-Dong Choi
Mycoplasma pneumonia is a major pathogen of primary atypical pneumonia and has been known to cause various kinds of extrapulmonary manifestations involving almost all organs of the human body. Optic neuritis associated with M. pneumoniae infection has rarely been described and mostly, it combined other neurological complications including meningitis, meningoencephalitis, myelitis, and peripheral neuropathy. We report two patients who presented with isolated optic neuritis due to M. pneumoniae infection, and reviewed the literatures on five additional patients...
March 20, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28320419/cerebellar-ependymoma-with-overlapping-features-of-clear-cell-and-tanycytic-variants-mimicking-hemangioblastoma-a-case-report-and-literature-review
#3
REVIEW
Xiu-Peng Zhang, Yang Liu, Di Zhang, Qin Zheng, Chen Wang, Liang Wang, Qing-Chang Li, Xue-Shan Qiu, En-Hua Wang
BACKGROUND: Imaging and histology of clear-cell ependymoma and cerebellum-based hemangioblastoma are similar; distinguishing between them is a diagnostic challenge. CASE PRESENTATION: A 62-year-old Chinese woman presented with an intermittent headache of 8 years' duration. Computed tomography and magnetic resonance imaging revealed a mass in the cerebellum. Neurological imaging suggested hemangioblastoma (HB). Histologically, the tumor included cellular and paucicellular areas, in which cells were arranged in nests or diffusely distributed; and a highly vascular area, in which tumor cells were arranged in clusters and separated by capillaries...
March 20, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28318068/helicid-alleviates-pain-and-sleep-disturbances-in-a-neuropathic-pain-like-model-in-mice
#4
Meng-Qi Zhang, Tian-Xiao Wang, Rui Li, Zhi-Li Huang, Wu-Jian Han, Xiao-Chang Dai, Yi-Qun Wang
Natural helicid (4-formylphenyl-O-β-d-allopyranoside), a main active constituent from seeds of the Chinese herb Helicia nilagirica, has been reported to exert a sedative, analgesic and hypnotic effect, and is used clinically to treat neurasthenic syndrome, vascular headaches and trigeminal neuralgia. In the current study, mechanical allodynia tests, electroencephalograms, electromyogram recordings and c-Fos expression in neuropathic pain-like model mice of partial sciatic nerve ligation were used to investigate the effect of helicid on neuropathic pain and co-morbid insomnia...
March 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28303205/aneurysm-of-azygos-anterior-cerebral-artery-associated-with-falcine-meningioma-case-report-and-review-of-the-literature
#5
Lucas C Meguins, Raquel C T Hidalgo, Antônio R Spotti, Dionei F de Morais
BACKGROUND: The azygos anterior cerebral artery (ACA) is an uncommon intracranial vascular anomaly of the circle of Willis. Identification of aneurysm from azygos ACA with anterior falcine meningioma is an extremely rare association. The aim of the present study is to report the case of an adult female with a ruptured aneurysm from azygos ACA in association with an anterior falcine meningioma. CASE DESCRIPTION: A 65-year-old female was admitted in the Emergency Department reporting sudden onset of severe headache...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28298046/hypofractionated-stereotactic-radiosurgery-a-new-treatment-strategy-for-giant-cavernous-sinus-hemangiomas
#6
Xin Wang, Huaguang Zhu, Jonathan Knisely, Guanghai Mei, Xiaoxia Liu, Jiazhong Dai, Ying Mao, Li Pan, Zhiyong Qin, Enmin Wang
OBJECTIVE Cavernous sinus hemangiomas (CSHs) are rare benign vascular tumors that arise from the dural venous sinuses lateral to the sella. Stereotactic radiosurgery (SRS) has emerged as a principal alternative to microresection for small- and medium-sized CSHs. Resection is a reasonable option for large (3-4 cm in diameter) and giant (> 4 cm in diameter) CSHs. However, management of giant CSHs remains a challenge for neurosurgeons because of the high rates of morbidity and even death that stem from uncontrollable and massive hemorrhage during surgery...
March 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28285997/ccm-3-promotes-c-%C3%A2-elegans-germline-development-by-regulating-vesicle-trafficking-cytokinesis-and-polarity
#7
Swati Pal, Benjamin Lant, Bin Yu, Ruilin Tian, Jiefei Tong, Jonathan R Krieger, Michael F Moran, Anne-Claude Gingras, W Brent Derry
Cerebral cavernous malformations (CCMs) are vascular defects of the CNS that arise from loss of integrity of the endothelial cells lining blood capillaries, causing leakage of blood into the brain [1]. This results in headaches, seizures, and/or hemorrhagic stroke, depending on the location of the lesion. CCM affects 0.5% of the population and follows an autosomal dominant inheritance pattern caused by mutations in one of the three genes: CCM1 (gene name KRIT1), CCM2 (also known as malcavernin or OSM), and CCM3 (gene name PDCD10) [2, 3], with the earliest onset and most severe prognosis occurring in CCM3 patients [4]...
March 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28283728/survey-of-gadolinium-based-contrast-agent-utilization-among-the-members-of-the-society-for-pediatric-radiology-a-quality-and-safety-committee-report
#8
Einat Blumfield, Michael M Moore, Mary K Drake, Thomas R Goodman, Kristopher N Lewis, Laura T Meyer, Thang D Ngo, Christina Sammet, Arta Luana Stanescu, David W Swenson, Thomas L Slovis, Ramesh S Iyer
BACKGROUND: Gadolinium-based contrast agents (GBCAs) have been used for magnetic resonance (MR) imaging over the last three decades. Recent reports demonstrated gadolinium retention in patients' brains following intravenous administration. Since gadolinium is a highly toxic heavy metal, there is a potential for adverse effects from prolonged retention or deposition, particularly in children. For this reason, the Society (SPR) for Pediatric Radiology Quality and Safety committee conducted a survey to evaluate the current status of GBCAs usage among pediatric radiologists...
March 10, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28281318/intracranial-myxoid-mesenchymal-tumors-with-ewsr1-creb-family-gene-fusions-myxoid-variant-of-angiomatoid-fibrous-histiocytoma-or-novel-entity
#9
Tejus A Bale, Angelica Oviedo, Harry Kozakewich, Caterina Giannini, Phani K Davineni, Keith Ligon, Sanda Alexandrescu
BACKGROUND: Intracranial myxoid mesenchymal tumor harboring EWSR1 fusions with CREB family of genes was recently described, and it resembles the myxoid variant of angiomatoid fibrous histiocytoma. We present 3 pediatric patients with intracranial EWSR1-rearranged myxoid mesenchymal neoplasm and provide a molecular genetic characterization of these tumors. METHODS: Clinical histories and imaging results were reviewed. Histology, immunohistochemistry, EWSR1, FUS, NR4A3 fluorescence in situ hybridization (FISH), and next generation sequencing (NGS) were performed...
March 9, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28281109/neuropeptides-as-a-marker-for-chronic-headache
#10
REVIEW
Nuria Riesco, Eva Cernuda-Morollón, Julio Pascual
PURPOSE OF REVIEW: The purpose of this review is to revise current evidence on trigemino-vascular system (TVS) neuropeptides as potential biomarkers for chronic primary headaches, mainly for chronic migraine (CM). RECENT FINDINGS: Within sensory neuropeptides, released by an activated trigeminal nerve, calcitonin gene-related peptide (CGRP) levels seem to be a good biomarker of acute migraine and somewhat sensitive and specific for CM. CGRP, however, is not increased in 20-30% of CM patients, which suggests that CGRP is not the only neuropeptide involved in migraine pain generation and maintenance...
April 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28274277/the-efficacy-of-resection-of-an-intradural-extramedullary-foramen-magnum-cavernous-malformation-presenting-with-repeated-subarachnoid-hemorrhage-a-case-report
#11
Tomoya Oishi, Naoto Sakai, Tetsuro Sameshima, Hiroshi Kawaji, Hiroki Namba
BACKGROUND: Intradural extramedullary cavernous angiomas of the central nervous system are a rare type of cavernous angioma, but they can cause fatal subarachnoid hemorrhage. The efficacy of resection for this type of cavernous malformations remains uncertain. This is the first report to recommend surgical resection of these types of lesions regardless of the fatal condition. CASE PRESENTATION: Our patient was a 70-year-old Japanese man who experienced a sudden onset of an occipital headache, followed by bilateral abducens nerve palsy...
March 9, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28271496/genetics-of-migraine-insights-into-the-molecular-basis-of-migraine-disorders
#12
REVIEW
Heidi G Sutherland, Lyn R Griffiths
Migraine is a complex, debilitating neurovascular disorder, typically characterized by recurring, incapacitating attacks of severe headache often accompanied by nausea and neurological disturbances. It has a strong genetic basis demonstrated by rare migraine disorders caused by mutations in single genes (monogenic), as well as familial clustering of common migraine which is associated with polymorphisms in many genes (polygenic). Hemiplegic migraine is a dominantly inherited, severe form of migraine with associated motor weakness...
March 8, 2017: Headache
https://www.readbyqxmd.com/read/28268070/post-carotid-endarterectomy-hypertension-part-1-association-with-pre-operative-clinical-imaging-and-physiological-parameters
#13
J E Newman, M J Bown, R D Sayers, J P Thompson, T G Robinson, B Williams, R Panerai, P Lacy, A R Naylor
OBJECTIVE/BACKGROUND: Post-endarterectomy hypertension (PEH) is a well recognised, but poorly understood, phenomenon after carotid endarterectomy (CEA) that is associated with post-operative intracranial haemorrhage, hyperperfusion syndrome, and cardiac complications. The aim of the current study was to identify pre-operative clinical, imaging, and physiological parameters associated with PEH. METHODS: In total, 106 CEA patients undergoing CEA under general anaesthesia underwent pre-operative evaluation of 24 hour ambulatory arterial blood pressure (BP), baroreceptor sensitivity, cerebral autoregulation, and transcranial Doppler measurement of cerebral blood flow velocity (CBFv) and pulsatility index...
March 3, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28267814/safety-after-extended-repeated-use-of-ulipristal-acetate-for-uterine-fibroids
#14
Bart C J M Fauser, Jacques Donnez, Philippe Bouchard, David H Barlow, Francisco Vázquez, Pablo Arriagada, Sven O Skouby, Santiago Palacios, Janusz Tomaszewski, Boguslaw Lemieszczuk, Alistair R W William
OBJECTIVE: To assess long term safety of extended repeated 3-month courses of ulipristal acetate (UPA) 10 mg/day, for up to 8 courses, with focus on endometrial and laboratory safety parameters. METHODS: This long-term, multi-center, open-label cohort, follow up study consisted of up to 8 consecutive 3-month courses of daily UPA 10 mg, each separated by a drug free period of 2 spontaneous menstrual bleeds. Sixty-four pre-menopausal women, with moderate to severe symptomatic uterine myoma(s) and heavy bleeding were enrolled and were studied for approximately 4 years...
2017: PloS One
https://www.readbyqxmd.com/read/28262204/headaches-and-risk-of-dementia
#15
Nian-Sheng Tzeng, Chi-Hsiang Chung, Fu-Huang Lin, Chin-Bin Yeh, San-Yuan Huang, Ru-Band Lu, Hsin-An Chang, Yu-Chen Kao, Wei-Shan Chiang, Yu-Ching Chou, Chang-Huei Tsao, Yung-Fu Wu, Wu-Chien Chien
BACKGROUND: Primary headaches include migraines, tension-type headaches and other primary headache syndromes. Migraines and tension-type headaches are associated with patient discomfort and other diseases. This study aimed to investigate the association between primary headaches and the risk of developing dementia, and to clarify the association between different types of headaches and dementia. MATERIALS AND METHODS: We conducted a nationwide matched cohort population-based study...
March 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28258079/cervical-artery-dissection-in-patients-%C3%A2-60-years-often-painless-few-mechanical-triggers
#16
Christopher Traenka, Daphne Dougoud, Barbara Goeggel Simonetti, Tiina M Metso, Stéphanie Debette, Alessandro Pezzini, Manja Kloss, Caspar Grond-Ginsbach, Jennifer J Majersik, Bradford B Worrall, Didier Leys, Ralf Baumgartner, Valeria Caso, Yannick Béjot, Annette Compter, Peggy Reiner, Vincent Thijs, Andrew M Southerland, Anna Bersano, Tobias Brandt, Henrik Gensicke, Emmanuel Touzé, Juan J Martin, Hugues Chabriat, Turgut Tatlisumak, Philippe Lyrer, Marcel Arnold, Stefan T Engelter
OBJECTIVE: In a cohort of patients diagnosed with cervical artery dissection (CeAD), to determine the proportion of patients aged ≥60 years and compare the frequency of characteristics (presenting symptoms, risk factors, and outcome) in patients aged <60 vs ≥60 years. METHODS: We combined data from 3 large cohorts of consecutive patients diagnosed with CeAD (i.e., Cervical Artery Dissection and Ischemic Stroke Patients-Plus consortium). We dichotomized cases into 2 groups, age ≥60 and <60 years, and compared clinical characteristics, risk factors, vascular features, and 3-month outcome between the groups...
March 3, 2017: Neurology
https://www.readbyqxmd.com/read/28254599/invasive-orbital-apex-aspergillosis-with-mycotic-aneurysm-formation-and-subarachnoid-hemorrhage-in-immunocompetent-patients
#17
Saleh S Baeesa, Mohamad Bakhaidar, Naushad A B Ahamed, Tariq A Madani
BACKGROUND: Invasive orbital apex aspergillosis (IOAA) is an aggressive form of aspergillus infection that usually affects immunocompromised patients. It can cause orbital apex syndrome and, if not treated promptly, may progress rapidly causing fatal complications. Subarachnoid hemorrhage (SAH) secondary to ruptured mycotic aneurysms is a very rare complication of invasive aspergillosis. We aim to describe our management and the outcome of six immunocompetent patients with IOAA with subsequent SAH secondary to ruptured mycotic aneurysms...
February 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28243503/hemorrhagic-primary-cns-angiitis-and-vasoconstrictive-drug-exposure
#18
Mehmet A Topcuoglu, Ruchira M Jha, Jacob George, Matthew P Frosch, Aneesh B Singhal
BACKGROUND: Primary angiitis of the CNS (PACNS) typically manifests with accumulating neurologic deficits from ischemic strokes. Intracerebral hemorrhage (ICH) is an uncommon complication. There is limited knowledge about the risk factors and features of hemorrhagic PACNS. METHODS: We identified 49 patients (20 biopsy-proven) with PACNS diagnosed at our hospital from 1993 to 2015. We compared the features of hemorrhagic and nonhemorrhagic PACNS and analyzed the hemorrhagic PACNS cases in detail...
February 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28220020/randomized-phase-ii-study-of-ramucirumab-or-icrucumab-in-combination-with-capecitabine-in-patients-with-previously-treated-locally-advanced-or-metastatic-breast-cancer
#19
Linda T Vahdat, Rachel Layman, Denise A Yardley, William Gradishar, Mohamad A Salkeni, Anil Abraham Joy, Agustin A Garcia, Patrick Ward, James Khatcheressian, Joseph Sparano, Gladys Rodriguez, Shande Tang, Ling Gao, Rita P Dalal, John Kauh, Kathy Miller
BACKGROUND: Icrucumab (ICR) and ramucirumab (RAM) bind vascular endothelial growth factor (VEGF) receptors 1 and 2 (VEGFR-1 and -2), respectively. This open-label, randomized phase II study evaluated their efficacy and safety in combination with capecitabine (CAP) in patients with previously treated unresectable, locally advanced or metastatic breast cancer. METHODS: Patients were randomly assigned (1:1:1) to receive CAP (1,000 mg/m(2) orally twice daily, days 1-14) alone or in combination with RAM (10 mg/kg intravenously [IV], days 1 and 8) (RAM + CAP) or ICR (12 mg/kg IV, days 1 and 8) (ICR + CAP) every 21 days...
February 20, 2017: Oncologist
https://www.readbyqxmd.com/read/28217390/management-of-aneurysmal-subarachnoid-hemorrhage-state-of-the-art-and-future-perspectives
#20
REVIEW
Giovanni Grasso, Concetta Alafaci, R Loch Macdonald
BACKGROUND: Aneurysmal subarachnoid hemorrhage (SAH) accounts for 5% of strokes and carries a poor prognosis. It affects around 6 cases per 100,000 patient years occurring at a relatively young age. METHODS: Common risk factors are the same as for stroke, and only in a minority of the cases, genetic factors can be found. The overall mortality ranges from 32% to 67%, with 10-20% of patients with long-term dependence due to brain damage. An explosive headache is the most common reported symptom, although a wide spectrum of clinical disturbances can be the presenting symptoms...
2017: Surgical Neurology International
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