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https://www.readbyqxmd.com/read/28823025/nanomedicine-associated-with-photodynamic-therapy-for-glioblastoma-treatment
#1
REVIEW
Leonardo B de Paula, Fernando L Primo, Antonio C Tedesco
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most recurrent and malignant astrocytic glioma found in adults. Biologically, GBMs are highly aggressive tumors that often show diffuse infiltration of the brain parenchyma, making complete surgical resection difficult. GBM is not curable with surgery alone because tumor cells typically invade the surrounding brain, rendering complete resection unsafe. Consequently, present-day therapy for malignant glioma remains a great challenge. The location of the invasive tumor cells presents several barriers to therapeutic delivery...
August 19, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28816643/pharmacometabolomics-informs-quantitative-radiomics-for-glioblastoma-diagnostic-innovation
#2
Theodora Katsila, Minos-Timotheos Matsoukas, George P Patrinos, Dimitrios Kardamakis
Applications of omics systems biology technologies have enormous promise for radiology and diagnostics in surgical fields. In this context, the emerging fields of radiomics (a systems scale approach to radiology using a host of technologies, including omics) and pharmacometabolomics (use of metabolomics for patient and disease stratification and guiding precision medicine) offer much synergy for diagnostic innovation in surgery, particularly in neurosurgery. This synthesis of omics fields and applications is timely because diagnostic accuracy in central nervous system tumors still challenges decision-making...
August 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28815332/pilot-study-of-whole-blood-micrornas-as-potential-tools-for-diffuse-low-grade-gliomas-detection
#3
Catherine Gozé, Christelle Reynes, Lionel Forestier, Robert Sabatier, Hugues Duffau
Earlier diagnosis and longitudinal monitoring of diffuse low-grade gliomas (DLGG) increase overall survival by maximizing surgery efficacy and optimizing time for an adjuvant treatment when resection is incomplete. Presently, only imaging permits the non-invasive detection and monitoring of DLGG, but it lacks sensitivity. Measure of circulating microRNAs levels could represent a non-invasive alternative. We hypothesized that slow-growing DLGG induce overtime a systemic reaction impacting blood cells microRNA profiles, while the intact blood-brain barrier restricts the passage of tumor microRNAs into bloodstream...
August 16, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28812201/effectiveness-of-navigation-guided-cyst-aspiration-before-resection-of-large-cystic-brain-tumors-a-proof-of-concept-for-more-radical-surgery
#4
Tae Hoon Roh, Kyoung Su Sung, Seok-Gu Kang, Ju Hyung Moon, Eui Hyun Kim, Sun Ho Kim, Jong Hee Chang
BACKGROUND: Resection of tumors close to the corticospinal tract (CST) carries a high risk of damage to the CST. For cystic tumors, aspirating the cyst before resection may reduce the risk of damage to vital structures. This study evaluated the effectiveness of cyst aspiration, by comparing the results before and after aspiration of diffusion tensor image (DTI) tractography. METHODS: This study enrolled 23 patients with large cystic brain tumors (>20 cm(3)) between 2012 and 2016...
August 16, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28810998/delayed-diagnosis-of-acromegaly-in-the-context-of-post-traumatic-stress-disorder-due-to-symptoms-mimicking-known-psychotropic-medication-side-effects
#5
Ray-Bernard Portier, Afshin Afarin, Sara Pope
BACKGROUND: Acromegaly is caused by elevated secretion of human growth hormone, which is frequently because of intracranial tumors. This diagnosis is fairly uncommon with an incidence of 3 to 4 cases per million patients per year. We are presenting a case of acromegaly diagnosed in an active duty Chief Petty Officer. MATERIALS AND METHODS: A 38-year-old male Chief Petty Officer with no previous mental health diagnosis experienced post-traumatic stress disorder (PTSD)-like symptoms in early 2012 after deploying to Iraq and Afghanistan from 2010 to 2011...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28808901/the-utility-of-routine-intensive-care-admission-for-patients-undergoing-intracranial-neurosurgical-procedures-a-systematic-review
#6
Cesar Cimonari de Almeida, M Dustin Boone, Yosef Laviv, Burkhard S Kasper, Clark C Chen, Ekkehard M Kasper
BACKGROUND: Patients who have undergone intracranial neurosurgical procedures have traditionally been admitted to an intensive care unit (ICU) for close postoperative neurological observation. The purpose of this study was to systematically review the evidence for routine ICU admission in patients undergoing intracranial neurosurgical procedures and to evaluate the safety of alternative postoperative pathways. METHODS: We were interested in identifying studies that examined selected patients who presented for elective, non-emergent intracranial surgery whose postoperative outcomes were compared as a function of ICU versus non-ICU admission...
August 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28802564/interactions-between-platelets-and-inflammatory-monocytes-affect-sickness-behavior-in-mice-with-liver-inflammation
#7
Charlotte D'Mello, Wagdi Almishri, Hongqun Liu, Mark Gordon Swain
BACKGROUND & AIMS: Patients with inflammatory liver disease commonly develop debilitating symptoms, called sickness behaviors, which arise via changes in brain function. Monocytes that produce tumor necrosis factor (TNF) interact with cerebral endothelial cells to activate microglial cells and promote sickness behavior. Platelets regulate inflammation, and aggregates of monocytes and platelets are increased in the circulation of patients with liver disease. We investigated the role of platelets in inducing inflammatory features of circulating monocytes and promoting sickness behaviors in mice with cholestatic liver injury...
August 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28797981/rhabdoid-meningioma-arising-concurrent-in-pulmonary-and-intracranial-with-a-rare-malignant-clinical-progression-case-report-and-literature-review
#8
Peng Zhao, Ning Li, Jinfeng Cao, Xiangtao Lin, Changhu Liang
BACKGROUND: Rhabdoid meningioma (RM) is an unusual variant of meningioma, classified as WHO grade III. Although its recurrence is common, extracranial metastasis is rare and usually misdiagnosed. The transfer mechanism and pathway are ambiguous; once it develops, there is a poor prognosis and no effective management. The present case is the first report on concurrent intracranial and pulmonary RM with rapid and widespread metastasis. We hope this report can be a helpful reference for clinicians and radiologists...
August 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28797973/frontal-fibers-connecting-the-superior-frontal-gyrus-to-broca-s-area-a-cortico-cortical-evoked-potential-study
#9
Satoshi Ookawa, Rei Enatsu, Aya Kanno, Satoko Ochi, Yukinori Akiyama, Tamaki Kobayashi, Yukihiro Yamao, Takayuki Kikuchi, Riki Matsumoto, Takeharu Kunieda, Nobuhiro Mikuni
BACKGROUND: The frontal aslant tract (FAT) is a deep frontal pathway connecting the superior frontal gyrus (SFG) to Broca's area. This fiber is assumed to be associated with language functions, especially speech initiation and spontaneity. OBJECTIVE: The aim of this study was to electrophysiologically investigate this network using cortico-cortical evoked potentials (CCEPs). METHOD: Eight patients with brain tumors or medically intractable focal epilepsies who underwent frontal craniotomy over the language dominant side were enrolled in this study...
August 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28791250/immunotherapy-combined-with-large-fractions-of-radiotherapy-stereotactic-radiosurgery-for-brain-metastases-implications-for-intraoperative-radiotherapy-after-resection
#10
REVIEW
Carsten Herskind, Frederik Wenz, Frank A Giordano
Brain metastases (BM) affect approximately a third of all cancer patients with systemic disease. Treatment options include surgery, whole-brain radiotherapy, or stereotactic radiosurgery (SRS) while chemotherapy has only limited activity. In cases where patients undergo resection before irradiation, intraoperative radiotherapy (IORT) to the tumor bed may be an alternative modality, which would eliminate the repopulation of residual tumor cells between surgery and postoperative radiotherapy. Accumulating evidence has shown that high single doses of ionizing radiation can be highly efficient in eliciting a broad spectrum of local, regional, and systemic tumor-directed immune reactions...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28790217/-an-elderly-patient-with-pilocytic-astrocytoma-operated-on-14-years-after-initial-detection-a-case-study
#11
Naoyuki Isobe, Takeshi Nishimoto, Takeshi Ueda
Pilocytic astrocytomas are found predominantly in the pediatric population and are extremely rare in elderly patients. We describe a case of pilocytic astrocytoma in an elderly patient who presented with the symptoms of an enlarged tumoral cyst. A 70-year-old woman was found to have an asymptomatic small solid tumor with a cystic component in the right frontal lobe at "Ningen Dock(medical checkup)of the Brain". She was hospitalized and underwent further examinations including cerebral angiography. At that time, she was opposed to undergoing an operation for tumor removal owing to lack of symptoms...
August 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28782690/biocompatible-amniotic-sac-implant-maintains-a-scar-free-brain-surface-during-recurrent-glioma-surgery
#12
Ali F Krisht
BACKGROUND: Dissection of brain surface adhesions during recurrent glioma surgery risks cortical and important surface vessel injury. We present our experience with the use of BioD, a biocompatible amniotic membrane implant, to help prevent post-operative adhesions. OBJECTIVE: To describe a novel method for preventing post-operative adhesions after high-grade glioma surgery using BioD film METHODS: Amniotic sac implants were laid on the brain surface after resection of gliomas located in the vicinity of major surface arteries (sylvian fissure) and major veins (parasagittal convexity)...
August 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28781917/long-term-recurrence-of-dysembryoplastic-neuroepithelial-tumor-clinical-case-report
#13
Daniel A Tonetti, William J Ares, R Mark Richardson, Ronald L Hamilton, Frank S Lieberman
BACKGROUND: Dysembryoplastic neuroepithelial tumors (DNETs) are rare, benign brain neoplasms that typically arise in children and adolescents and classically present with intractable, partial complex seizures. DNETs are classically associated with a favorable prognosis after complete surgical resection. CASE DESCRIPTION: We describe a case of long-term recurrence of a DNET, which initially resected and diagnosed as an oligodendroglioma prior to the recognition of DNETs...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28775236/patient-derived-dipg-cells-preserve-stem-like-characteristics-and-generate-orthotopic-tumors
#14
Cheng Xu, Xiaoqing Liu, Yibo Geng, Qingran Bai, Changcun Pan, Yu Sun, Xin Chen, Hai Yu, Yuliang Wu, Peng Zhang, Wenhao Wu, Yu Wang, Zhen Wu, Juntin Zhang, Zhaohui Wang, Rui Yang, Jenna Lewis, Darell Bigner, Fangping Zhao, Yiping He, Hai Yan, Qin Shen, Liwei Zhang
Diffuse intrinsic pontine glioma (DIPG) is a devastating brain tumor, with a median survival of less than one year. Due to enormous difficulties in the acquisition of DIPG specimens and the sophisticated technique required to perform brainstem orthotopic injection, only a handful of DIPG pre-clinical models are available. In this study, we successfully established eight patient-derived DIPG cell lines, mostly derived from treatment-naïve surgery or biopsy specimens. These patient-derived cell lines can be stably passaged in serum-free neural stem cell media and displayed distinct morphologies, growth rates and chromosome abnormalities...
July 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28770339/evaluating-vertebral-artery-dominancy-before-t4-lung-cancer-surgery-requiring-subclavian-artery-reconstruction
#15
Yasuo Sekine, Yukio Saitoh, Mitsuru Yoshino, Eitetsu Koh, Atsushi Hata, Terunaga Inage, Hidemi Suzuki, Ichiro Yoshino
PURPOSES: To evaluate vertebral artery (VA) dominancy and the risk of brain infarction in T4 lung cancer patients with tumor invasion into the subclavian artery. METHODS: We reconstructed the subclavian artery in 10 patients with T4 non-small cell lung cancer. The histological stages were IIIA in eight patients and IIIB in two patients. We evaluated the VA dominancy by performing a four-vessel study preoperatively and investigated the relationship between the methods of VA treatment and postoperative brain complications, retrospectively...
August 2, 2017: Surgery Today
https://www.readbyqxmd.com/read/28766685/salinomycin-s-potential-to-eliminate-glioblastoma-stem-cells-and-treat-glioblastoma-multiforme-review
#16
Justin W Magrath, Yonghyun Kim
Glioblastoma multiforme (GBM) is the most common and deadliest form of primary brain tumor. Despite treatment with surgery, radiotherapy, and chemotherapy with the drug temozolomide, the expected survival after diagnosis remains low. The median survival is only 14.6 months and the two-year survival is a mere 30%. One reason for this is the heterogeneity of GBM including the presence of glioblastoma cancer stem cells (GSCs). GSCs are a subset of cells with the unique ability to proliferate, differentiate, and create tumors...
September 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28766200/keynote-address-at-the-american-society-of-breast-surgeons-18th-annual-meeting-current-and-future-application-of-intraoperative-radiotherapy-iort-in-the-curative-and-palliative-treatment-of-breast-cancer
#17
Frederik Wenz
Intraoperative radiotherapy (IORT) is increasingly used worldwide. Breast cancer is the most rapidly growing indication for IORT, approaching 70-80% of cases in most centers. This report reviews the theoretical background and clinical use of IORT for primary and metastasized breast cancer. There are established applications such as tumor bed boost during breast-conserving surgery followed by whole breast radiotherapy or IORT as a form of accelerated partial-breast irradiation (APBI) for selected patients. Novel applications such as IORT for vertebral or brain metastases are presented as well as technological developments, widening the spectrum of potential clinical applications for IORT...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28763434/comparison-of-3-hypertonic-saline-and-20-mannitol-for-reducing-intracranial-pressure-in-patients-undergoing-supratentorial-brain-tumor-surgery-a-randomized-double-blind-clinical-trial
#18
Achmet Ali, Aylin Tetik, Pulat A Sabanci, Demet Altun, Nukhet Sivrikoz, Taner Abdullah, Aydin Aydoseli, Altay Sencer, Ibrahim O Akinci
BACKGROUND: In the present study, we hypothesized that 3% hypertonic saline (HS) is more effective than 20% mannitol to reduce intracranial pressure (ICP) and to modify brain bulk in patients undergoing an elective supratentorial craniotomy. MATERIALS AND METHODS: After institutional review board approval, patients scheduled to undergo supratentorial craniotomy were enrolled into this prospective, randomized, double-blind study. The patients were monitored for routine hemodynamic parameters, depth of anesthesia, and ICP...
July 31, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28762298/cardiac-myxoma-clinical-characteristics-surgical-intervention-intra-operative-challenges-and-outcome
#19
Mahmoud Abu Abeeleh, Suhayl Saleh, Emad Alhaddad, Moaath Alsmady, Musa Alshehabat, Zuhair Bani Ismail, Islam Massad, Amjad Bani Hani, Sami Abu Halaweh
OBJECTIVE: The objectives of this retrospective study were to characterize the clinical presentation, diagnostic findings, surgical approaches, intra-operative challenges and complications following the surgical treatment of cardiac myxoma in two of the largest referral hospitals in Jordan. METHODS: Medical records of all patients presented to the cardiology department during the period between 1984 and 2016 were reviewed. Criteria for inclusion in the study were: (1) patients who were presented for cardiac evaluation due to symptoms suggestive of a primary cardiac problem, (2) completed medical records, including results of echocardiography suggestive of intra-cardiac occupying mass, (3) the surgical operation was undertaken and intra-operative data was available, (4) a histological diagnosis of myxoma was available and (5) the discharge status and follow-up data were available for at least 2 years after initial surgery...
July 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28761543/spinal-capillary-hemangiomas-two-cases-reports-and-review-of-the-literature
#20
Thara Tunthanathip, Sanguansin Rattanalert, Thakul Oearsakul, Kanet Kanjanapradit
Hemangiomas have rarely been found in the spinal cord. A few cases of spinal capillary hemangioma have been reported since 1987. The authors reported the two cases of capillary hemangioma including the tumor at conus medullaris and the another mimicked von Hippel-Lindau disease. A 15-year-old man was presented with coccydynia and left leg pain. A magnetic resonance imaging (MRI) revealed an intradural extramedullary enhancing mass at conus medullaris. Another case, a 31-year-old man was presented with a history of familial history of brain tumor, retinal hemangioma both eyes, multiple pancreatic cyst and syringobulbia with syringohydromyelia...
July 2017: Asian Journal of Neurosurgery
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