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Brain tumors AND complications

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https://www.readbyqxmd.com/read/28232151/intraoperative-visualization-of-subependymal-arteries-at-the-atrium-supplying-the-descending-motor-pathway
#1
Mitsuto Hanihara, Sumito Sato, Ichiyo Shibahara, Ryuta Saito, Masayuki Kanamori, Yukihiko Sonoda, Hiroyuki Kinouchi, Teiji Tominaga, Toshihiro Kumabe
OBJECTIVE: We previously disclosed that damage to the subependymal arteries (SEAs) caused by coagulation of the choroid plexus at the atrium, can result in infarction within the lateral posterior choroidal artery territory, followed by hemiparesis. The present study describes the intraoperative anatomical findings of the SEAs and choroid plexus at the atrium, those were verified only by a few cadaveric studies. METHODS: Locations of the SEA and descending motor pathway were determined with the neuronavigation system and subcortical electrical stimulation in 8 cases of periatrial brain tumor...
February 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28213192/trans-frontal-sinus-subcranial-approach-to-olfactory-groove-meningiomas-surgical-results-clinical-and-functional-outcome-in-a-consecutive-series-of-21-patients
#2
Lina Raffaella Barzaghi, Alfio Spina, Filippo Gagliardi, Nicola Boari, Pietro Mortini
BACKGROUND: The trans-frontal-sinus-subcranial approach (TFSSA) allows for direct exposure and removal of olfactory groove meningiomas (OGMs), without any brain retraction. Compared to other skull base approaches (like fronto-orbito-basal, transbasal, subcranial, fronto-orbito-zygomatic and one-and-half approach), it could offer the same advantages but it is less invasive. OBJECT: We report the results in a series of 21 consecutive patients harboring OGMs and operated through TFSSA, in order to propose a viable alternative approach...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28210908/updates-in-outcomes-of-stereotactic-radiation-therapy-in-acromegaly
#3
REVIEW
Monica Livia Gheorghiu
Purpose Treatment of acromegaly has undergone important progress in the last 20 years mainly due to the development of new medical options and advances in surgical techniques. Pituitary surgery is usually first-line therapy, and medical treatment is indicated for persistent disease, while radiation (RT) is often used as third-line therapy. The benefits of RT (tumor volume control and decreased hormonal secretion) are hampered by the long latency of the effect and the high risk of adverse effects. Stereotactic RT methods have been developed with the aim to provide more precise targeting of the tumor with better control of the radiation dose received by the adjacent brain structures...
February 16, 2017: Pituitary
https://www.readbyqxmd.com/read/28208914/enterobacter-meningitis-and-challenges-in-treatment
#4
Shaylika Chauhan, Jawad Noor, Balaji Yegneswaran, Hanish Kodali
Neurosurgical interventions are rarely associated with meningitis with a very low incidence rate ranging from 1.1% to 2.5%. Gram negative bacillary meningitis first described in the 1940's, previously uncommon has been increasing in the recent past associated with advanced age, immunosuppression and neurosurgery. Enterobacter meningitis though relatively uncommon is recently increasing in incidence and treatment is frequently complicated due to resistance to antibiotics making this a challenging, difficult to treat infection that may be associated with adverse clinical outcomes...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28190444/management-of-neuro-oncologic-emergencies
#5
J T Jo, D Schiff
Patients with brain tumors and systemic malignancies are subject to diverse neurologic complications that require urgent evaluation and treatment. These neurologic conditions are commonly due to the tumor's direct effects on the nervous system, such as cerebral edema, increased intracranial pressure, seizures, spinal cord compression, and leptomeningeal metastases. In addition, neurologic complications can develop as a result of thrombocytopenia, coagulopathy, hyperviscosity syndromes, infection, immune-related disorders, and adverse effects of treatment...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28180935/clinicopathological-features-and-microsurgical-outcomes-for-giant-pediatric-intracranial-tumor-in-60-consecutive-cases
#6
Ailing Guo, Vigneyshwar Suresh, Xianzhi Liu, Fuyou Guo
PURPOSE: Giant pediatric intracranial tumor (GPIT) remains to be a challenging disease with high morbidity and mortality. METHODS: The clinical data of 60 patients under 18 years of age operated on with GPIT (≥5 cm in diameter) were retrospectively analyzed. RESULTS: Gross total resection was achieved in 46 cases (77%) and subtotal resection was obtained in 14 cases (23%). Ninety percent (47/52) of the cases with obstructive hydrocephalus were resolved remarkably and only 10% (5/52) of the patients needed a ventriculoperitoneal shunt after tumor resection...
February 8, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28163514/pilocytic-midbrain-astrocytoma-presenting-with-fresh-bleed-after-twenty-one-years-survival-following-first-surgery-a-unique-case-of-longest-brainstem-glioma-survival
#7
Guru Dutta Satyarthee, M D Sudhan, V S Mehta
Brainstem glioma usually carries a poor prognosis and prolonged survival is very infrequent. In a detailed Pubmed, Medline search for prolonged survival, authors could got a longest survival only up to seventeen years, reported by Umehara et al, who was subjected to gamma knife therapy and got symptomatic, MRI brain reveled large tumor growth during pregnancy necessitating emergency surgery and histopathological diagnosis was pilocytic astrocytoma. Authors report an interesting case of midbrain glioma diagnosed 21 years back, who underwent gross resection in the year 1993, histopathology was pilocytic astrocytoma, WHO grade I, and received gamma knife surgery for residual subsequently and he presented with sudden onset left sided hemiplegia on the current admission...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28132920/clinical-features-radiological-findings-and-surgical-outcomes-of-65-intracranial-psammomatous-meningiomas
#8
Zhiqin Lin, Meng Zhao, Xiaohui Ren, Junmei Wang, Zongze Li, Xiaolin Chen, Yongzhi Wang, Xiangrong Li, Chengjun Wang, Zhongli Jiang
OBJECTIVE: Intracranial psammomatous meningiomas (PMs) are rarely reported due to their extremely low incidence. Knowledge about intracranial PMs is therefore poor. This study aimed to analyze the incidence, clinical features, radiological findings, and surgical outcomes of intracranial PMs. METHODS: Approximately 5,651 intracranial meningiomas were surgically treated at Beijing Tiantan Hospital between November 2011 and December 2015. The authors identified all cases in which patients underwent resection of an intracranial tumor that was found to be pathological examination demonstrated to be PM and analyzed the data from these cases...
January 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28131210/tnf-alpha-inhibitor-associated-myelopathies-a-neurological-complication-in-patients-with-rheumatologic-disorders
#9
Paula Barreras, Maureen A Mealy, Carlos A Pardo
OBJECTIVES: Tumor necrosis factor-alpha inhibitors (TNFα-I) are biological agents used in the treatment of rheumatologic disorders. TNFα-I have been associated with demyelinating disorders mimicking multiple sclerosis. The goal of this report is to illustrate cases of myelopathy which developed during the use of TNFα-I. METHODS: We describe the clinical, neuroimaging and laboratory features of 4 cases of myelopathy associated with TNFα-I. RESULTS: The mean period of TNFα-I exposure was 27 [12-36] months...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28128693/endoscopic-endonasal-versus-transcranial-approach-to-tuberculum-sellae-and-planum-sphenoidale-meningiomas-in-a-similar-cohort-of-patients
#10
Evan D Bander, Harminder Singh, Colin B Ogilvie, Ryan C Cusic, David J Pisapia, Apostolos John Tsiouris, Vijay K Anand, Theodore H Schwartz
OBJECTIVE Planum sphenoidale (PS) and tuberculum sellae (TS) meningiomas cause visual symptoms due to compression of the optic chiasm. The treatment of choice is surgical removal with the goal of improving vision and achieving complete tumor removal. Two options exist to remove these tumors: the transcranial approach (TCA) and the endonasal endoscopic approach (EEA). Significant controversy exists regarding which approach provides the best results and whether there is a subset of patients for whom an EEA may be more suitable...
January 27, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28121927/primary-cerebral-malignant-melanoma-a-case-report-with-literature-review
#11
REVIEW
Kai Tang, Xiangyi Kong, Gengsheng Mao, Ming Qiu, Haibo Zhu, Lei Zhou, Qingbin Nie, Yi Xu, Shiwei Du
Primary intracranial melanomas are uncommon and constitute approximately 1% of all melanoma cases and 0.07% of all brain tumors. In nature, these primary melanomas are very aggressive and can spread to other organs.We report an uncommon case of primary cerebral malignant melanoma-a challenging diagnosis guided by clinical presentations, radiological features, and surgical biopsy results, aiming to emphasize the importance of considering primary melanoma when making differential diagnoses of intracranial lesions...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28120074/management-of-cerebral-radiation-necrosis-a-retrospective-study-of-12-patients
#12
Chenlong Liao, Massimiliano Visocchi, Wenchuan Zhang, Min Yang, Wenxiang Zhong, Pengfei Liu
BACKGROUND: Cerebral radiation necrosis (RN) is a severe complication of radiotherapy for cerebral pathologies. This study discusses the radiographic and pathological features of 12 patients with RN and investigates the management strategy. METHODS: Eleven patients with brain tumors, and one with cerebral cavernous angioma, treated by surgical resection or Gamma Knife alone before radiotherapy developed RN during follow-up. Surgical resection for the cerebral RN was performed in nine patients, and the other three patients received medical treatment...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28120058/endoscopic-reconstruction-of-csf-pathways-in-ventricular-tumors
#13
Piero Andrea Oppido
Neuroendoscopy is now considered to be a minimally invasive surgical approach for expanding lesions bulging into the ventricle, and it is also considered to be a relevant tool for performing biopsy procedures, fenestration of cystic walls, or for performing tumor removal in selected cases. Furthermore, the use of neuroimaging and the accurate follow-up of brain tumor patients have allowed the documentation of tumoral and pseudotumoral cystic areas that cause the obstruction of cerebrospinal fluid (CSF) pathways...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28114639/incidence-of-recurrence-in-posterior-circulation-childhood-arterial-ischemic-stroke
#14
Michael Y Uohara, Lauren A Beslow, Lori Billinghurst, Brianna M Jones, Sudha K Kessler, Daniel J Licht, Rebecca N Ichord
Importance: Childhood arterial ischemic stroke (CAIS) affects approximately 1.6 per 100 000 children per year, while stroke recurs in up to 20% of patients at 5 years. Factors determining the risk of recurrence are incompletely understood. Objective: To investigate the incidence of the recurrence of CAIS in the posterior and anterior circulations to determine if the risk differs between the 2 locations. Design, Setting, and Participants: A retrospective analysis of CAIS was conducted among children enrolled in a single-center prospective consecutive cohort at The Children's Hospital of Philadelphia between January 1, 2006, and January 1, 2015...
January 23, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28114258/melanoma-brain-metastases-current-areas-of-investigation-and-future-directions
#15
Isabella Glitza Oliva, Hussein Tawbi, Michael A Davies
Metastases to the central nervous system (CNS) are one of the most common and lethal complications of metastatic melanoma. Historically, melanoma patients with CNS metastases have had dismal outcomes and very limited treatment options. However, the development of more effective targeted, immune, and radiation therapies is now leading to promising new investigations and strategies. Optimizing the development and testing of such strategies will benefit from an improved understanding of the unique molecular features of these tumors and the influence of the brain microenvironment...
January 2017: Cancer Journal
https://www.readbyqxmd.com/read/28109861/preoperative-rtms-language-mapping-in-speech-eloquent-brain-lesions-resected-under-general-anesthesia-a-pair-matched-cohort-study
#16
Philipp Hendrix, Sebastian Senger, Andreas Simgen, Christoph J Griessenauer, Joachim Oertel
OBJECTIVE: The value of preoperative rTMS language mapping for function preservation in surgery of speech eloquent lesions under general anesthesia remains to be determined. METHODS: The authors prospectively enrolled 20 consecutive right-handed patients with a malignant, left-sided perisylvian language eloquent brain tumor. All patients were subjected to surgical resection under general anesthesia guided by preoperative rTMS language mapping (rTMS group, 2014 - 2016)...
January 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28104943/disseminated-gestational-choriocarcinoma-presenting-with-hepatic-and-uveal-metastases-hook-effect-and-choriocarcinoma-syndrome
#17
Yashant Aswani, Hemangini Thakkar, Priya Hira
Choriocarcinoma is a human chorionic gonadotrophin (HCG)-secreting tumor that comprises vascular channels. It has a tendency for widespread metastasis, common sites for which include the lung, vagina, brain, liver, bone, intestine, and kidney. We describe a 30-year-old female who presented with hepatitis-like features and bilateral diminution of vision, and subsequently developed hemothorax and hemoperitoneum-all rare and seemingly unrelated manifestations which were finally attributable to metastases from gestational choriocarcinoma...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28103603/real-time-ultrasound-guided-catheter-navigation-for-approaching-deep-seated-brain-lesions-role-of-intraoperative-neurosonography-with-and-without-fusion-with-magnetic-resonance-imaging
#18
Sunil Manjila, Aditya Karhade, Ji Hoon Phi, R Michael Scott, Edward R Smith
BACKGROUND/AIMS: Brain shift during the exposure of cranial lesions may reduce the accuracy of frameless stereotaxy. We describe a rapid, safe, and effective method to approach deep-seated brain lesions using real-time intraoperative ultrasound placement of a catheter to mark the dissection trajectory to the lesion. METHODS: With Institutional Review Board approval, we retrospectively reviewed the radiographic, pathologic, and intraoperative data of 11 pediatric patients who underwent excision of 12 lesions by means of this technique...
January 20, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28069040/anti-inflammatory-and-immune-regulatory-effects-of-acupuncture-after-craniotomy-study-protocol-for-a-parallel-group-randomized-controlled-trial
#19
Seung-Yeon Cho, Seung-Bo Yang, Hee Sup Shin, Seung Hwan Lee, Jun Seok Koh, Seungwon Kwon, Woo-Sang Jung, Sang-Kwan Moon, Jung-Mi Park, Chang-Nam Ko, Seong-Uk Park
BACKGROUND: Despite recent advances in the medical and surgical fields, complications such as infection, pneumonia, or brain swelling may occur after a craniotomy. In some patients, perioperative antibiotic prophylaxis causes adverse effects such as itching, rash, or digestive conditions. Certain patients still develop infections severe enough to require a repeat operation despite antibiotic prophylaxis. Acupuncture has been used to treat inflammatory conditions, and many basic and clinical studies have provided evidence of its anti-inflammatory and immune regulatory effects...
January 10, 2017: Trials
https://www.readbyqxmd.com/read/28059647/simulating-vasogenic-brain-edema-using-chronic-vegf-infusion
#20
Martin Piazza, Jeeva Munasinghe, Roger Murayi, Nancy Edwards, Blake Montgomery, Stuart Walbridge, Marsha Merrill, Prashant Chittiboina
OBJECTIVE To study peritumoral brain edema (PTBE), it is necessary to create a model that accurately simulates vasogenic brain edema (VBE) without introducing a complicated tumor environment. PTBE associated with brain tumors is predominantly a result of vascular endothelial growth factor (VEGF) secreted by brain tumors, and VEGF infusion alone can lead to histological blood-brain barrier (BBB) breakdown in the absence of tumor. VBE is intimately linked to BBB breakdown. The authors sought to establish a model for VBE with chronic infusion of VEGF that can be validated by serial in-vivo MRI and histological findings...
January 6, 2017: Journal of Neurosurgery
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