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Brain tumor surgery

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https://www.readbyqxmd.com/read/28223144/combination-of-hand-held-probe-and-microscopy-for-fluorescence-guided-surgery-in-the-brain-tumor-marginal-zone
#1
Johan Richter, Neda Haj-Hosseini, Martin Hallbeck, Karin Wårdell
BACKGROUND: Visualization of the tumor is crucial for differentiating malignant tissue from healthy brain during surgery, especially in the tumor marginal zone. The aim of the study was to introduce a fluorescence spectroscopy-based hand-held probe (HHF-probe) for tumor identification in combination with the fluorescence guided resection surgical microscope (FGR-micsorcope), and evaluate them in terms of diagnostic performance and practical aspects of fluorescence detection. METHODS: Eighteen operations were performed on 16 patients with suspected high-grade glioma...
February 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28219086/first-report-of-awake-craniotomy-of-a-famous-musician-suprasellar-tumor-surgery-of-pianist-clara-haskil-in-1942
#2
Elena Romana Gasenzer, Ayhan Kanat, Edmund A M Neugebauer
Clara Haskil (January 7, 1895-December 7, 1960) was one of the most famous female pianists of the 20th century. In her life and work she set new standards in piano playing. However, her career was beset by poor health and the adversities of two world wars. In her lifetime Haskil had three major disorders: juvenile scoliosis requiring treatment in her adolescence, a tumor of the sellar region requiring surgery at age 47 years, and a traumatic brain injury causing her death at the age of 65. Her medical history illustrates the development of surgical methods and rehabilitation in medicine before and after World War II...
February 20, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28218348/radioguided-surgery-with-radiolabeled-somatostatin-analogs-not-only-in-gep-nets
#3
Vincenzo Cuccurullo, Giuseppe Danilo Di Stasio, Luigi Mansi
Radioguided surgery (RGS) is a surgical technique that, using intra-operative probes, enables the surgeon to identify tissues preoperatively "marked" by a radiopharmaceutical. Somatostatin receptors (SSTRs) are present in the majority of neuroendocrine cells and may be over-expressed not only by tumor cells, but also by endothelial cells of peritumoral vessels, inflammatory cells and cells of the immune system, such as activated lymphocytes, monocytes and epithelioid cells. This extra neoplastic uptake is the rationale for the use of radiolabeled somatostatin analogs (SSAs) either in some tumors not expressing SSTRs or in various non-oncological diseases...
2017: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/28216937/renal-cell-carcinoma-atypical-metastasis-to-inguinal-lymph-nodes
#4
Qamar Saeed Chaudhry, Tanweer Ahmed Naveed Bhatty, Ziauddin Khan, Elsawi Medani Osman
Renal cell carcinoma (RCC) is a common tumor of the urinary tract. It is known to have variable presentations due to the extremely vascular nature of the organ. RCC are known to metastasize to lungs, bone, and brain commonly but atypical metastasis to various sites are reported in literature but as very rare pathology. We report a case of a 60-year-old female who presented with multiple inguinal and axillary lymph node enlargements which on excision biopsy showed metastatic RCC. RCC can present with synchronous metastatic deposits in the various organs...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28216396/estimating-the-cost-of-neurosurgical-procedures-in-a-low-income-setting-an-observational-economic-analysis
#5
Jihad Abdelgadir, Tu Tran, Alex Muhindo, Doomwin Obiga, John Mukasa, Hussein Ssenyonjo, Michael Muhumza, Joel Kiryabwire, Michael M Haglund, Frank A Sloan
BACKGROUND: There are no data on cost of neurosurgery in low- and middle-income countries. This study's objective was to estimate the cost of neurosurgical procedures in a low-resource setting to better inform resource allocation and health sector planning. METHODS: In this observational economic analysis, micro-costing was used to estimate the direct and indirect costs of neurosurgical procedures at Mulago National Referral Hospital (Kampala, Uganda). RESULTS: During the study period, October 2014-September 2015, a total of 1,440 charts were reviewed...
February 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28214639/congenital-glioblastoma-with-distinct-clinical-and-molecular-characteristics-case-reports-and-a-literature-review
#6
Masahiro Kameda, Yoshihiro Otani, Tomotsugu Ichikawa, Akira Shimada, Koichi Ichimura, Isao Date
BACKGROUND: The molecular diagnosis of brain tumors is important in classifying tumors and determining appropriate treatment. Congenital glioblastoma multiforme (GBM) is a rare tumor that occurs in infants, and the prognosis is poor. Approximately 60 patients diagnosed as congenital GBM have been reported. However, few reports have conducted molecular analyses of congenital GBM. CASE DESCRIPTION: We describe two congenital GBM patients treated in our hospital, and report results of immunohistochemistry, fluorescent in situ hybridization (FISH), direct sequencing, and methylation analyses...
February 15, 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
#7
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
#8
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/28205096/pharmacological-effects-of-asiatic-acid-in-glioblastoma-cells-under-hypoxia
#9
Flourina Kumar Thakor, Ka-Wai Wan, Philip John Welsby, Gail Welsby
Glioblastoma multiforme is the most common and malignant primary brain tumor in adults. Despite current treatment options including surgery followed by radiation and chemotherapy with temozolomide and cisplatin, the median survival rate remains low (<16 months). Combined with increasing drug resistance and the inability of some compounds to cross the blood-brain barrier, novel compounds are being sought for the treatment of this disease. Here, we aimed to examine the pharmacological effect of Asiatic acid (AA) in glioblastoma under hypoxia...
February 15, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28197403/network-plasticity-and-intraoperative-mapping-for-personalized-multimodal-management-of-diffuse-low-grade-gliomas
#10
REVIEW
Cristina Diana Ghinda, Hugues Duffau
Gliomas are the most frequent primary brain tumors and include a variety of different histological tumor types and malignancy grades. Recent achievements in terms of molecular and imaging fields have created an unprecedented opportunity to perform a comprehensive interdisciplinary assessment of the glioma pathophysiology, with direct implications in terms of the medical and surgical treatment strategies available for patients. The current paradigm shift considers glioma management in a comprehensive perspective that takes into account the intricate connectivity of the cerebral networks...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28194925/slip-interface-imaging-based-on-mr-elastography-preoperatively-predicts-meningioma-brain-adhesion
#11
Ziying Yin, Joshua D Hughes, Kevin J Glaser, Armando Manduca, Jamie Van Gompel, Michael J Link, Anthony Romano, Richard L Ehman, John Huston
PURPOSE: To investigate the ability of slip interface imaging (SII), a recently developed magnetic resonance elastography (MRE)-based technique, to predict the degree of meningioma-brain adhesion, using findings at surgery as the reference standard. MATERIALS AND METHODS: With Institutional Review Board approval and written informed consent, 25 patients with meningiomas >2.5 cm in maximal diameter underwent preoperative SII assessment. Intracranial shear motions were introduced using a soft, pillow-like head driver and the resulting displacement field was acquired with an MRE pulse sequence on 3T MR scanners...
February 14, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28187964/brain-perfusion-and-diffusion-abnormalities-in-children-treated-for-posterior-fossa-brain-tumors
#12
Matthew D Li, Nils D Forkert, Palak Kundu, Cheryl Ambler, Robert M Lober, Terry C Burns, Patrick D Barnes, Iris C Gibbs, Gerald A Grant, Paul G Fisher, Samuel H Cheshier, Cynthia J Campen, Michelle Monje, Kristen W Yeom
OBJECTIVE: To compare cerebral perfusion and diffusion in survivors of childhood posterior fossa brain tumor with neurologically normal controls and correlate differences with cognitive dysfunction. STUDY DESIGN: We analyzed retrospectively arterial spin-labeled cerebral blood flow (CBF) and apparent diffusion coefficient (ADC) in 21 patients with medulloblastoma (MB), 18 patients with pilocytic astrocytoma (PA), and 64 neurologically normal children. We generated ANCOVA models to evaluate treatment effects on the cerebral cortex, thalamus, caudate, putamen, globus pallidus, hippocampus, amygdala, nucleus accumbens, and cerebral white matter at time points an average of 5...
February 7, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28182828/scalp-metastasis-from-glioblastoma-multiforme-a-case-report-and-literature-review
#13
Marco Mammi, Roberto Altieri, Alessandro Agnoletti, Paolo Pacca, Federica Franchino, Diego Garbossa, Alessandro Ducati, Antonio Melcarne
Glioblastoma multiforme (GBM) is a common malignant brain tumor that rarely metastasizes extracranially, despite its aggressive clinical course. This report details the case of a young man presenting with a single subcutaneous localization of GBM that arose six months after initial surgery and recurred after excision. Only six other cases of scalp metastasis of GBM following surgery have been described in the literature, each with peculiar features. Whenever feasible, surgery is the most effective way to obtain local control of disease...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28175471/208%C3%A2-connectivity-based-functional-parcellation-and-localization-of-the-human-supplementary-motor-area-based-on-resting-state-functional-magnetic-resting-imaging-and-its-utility-in-brain-tumor-surgery
#14
Fengping Zhu, Dongxiao Zhuang, Qiang Luo, Tianming Qiu, Jinsong Wu, Jianfeng Feng, Ying Mao
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28167297/loss-of-pin1-suppresses-hedgehog-driven-medulloblastoma-tumorigenesis
#15
Tao Xu, Honglai Zhang, Sung-Soo Park, Sriram Venneti, Rork Kuick, Kimberly Ha, Lowell Evan Michael, Mariarita Santi, Chiyoko Uchida, Takafumi Uchida, Ashok Srinivasan, James M Olson, Andrzej A Dlugosz, Sandra Camelo-Piragua, Jean-François Rual
Medulloblastoma is the most common malignant brain tumor in children. Therapeutic approaches to medulloblastoma (combination of surgery, radiotherapy, and chemotherapy) have led to significant improvements, but these are achieved at a high cost to quality of life. Alternative therapeutic approaches are needed. Genetic mutations leading to the activation of the Hedgehog pathway drive tumorigenesis in ~30% of medulloblastoma. In a yeast two-hybrid proteomic screen, we discovered a novel interaction between GLI1, a key transcription factor for the mediation of Hedgehog signals, and PIN1, a peptidylprolyl cis/trans isomerase that regulates the postphosphorylation fate of its targets...
February 3, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28165374/evaluation-of-epha2-and-ephb4-as-targets-for-image-guided-colorectal-cancer-surgery
#16
Marieke A Stammes, Hendrica A J M Prevoo, Meyke C Ter Horst, Stéphanie A Groot, Cornelis J H Van de Velde, Alan B Chan, Lioe-Fee de Geus-Oei, Peter J K Kuppen, Alexander L Vahrmeijer, Elena B Pasquale, Cornelis F M Sier
Targeted image-guided oncologic surgery (IGOS) relies on the recognition of cell surface-associated proteins, which should be abundantly present on tumor cells but preferably absent on cells in surrounding healthy tissue. The transmembrane receptor tyrosine kinase EphA2, a member of the A class of the Eph receptor family, has been reported to be highly overexpressed in several tumor types including breast, lung, brain, prostate, and colon cancer and is considered amongst the most promising cell membrane-associated tumor antigens by the NIH...
February 3, 2017: International Journal of Molecular Sciences
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
#17
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/28161072/-brain-metastases-focal-treatment-surgery-and-radiation-therapy-and-cognitive-consequences
#18
REVIEW
Emmanuelle Reygagne, Foucaud Du Boisgueheneuc, Antoine Berger
Brain metastases represent the first cause of malignant brain tumor. Without radiation therapy, prognosis was poor with fast neurological deterioration, and a median overall survival of one month. Nowadays, therapeutic options depend on brain metastases presentation, extra brain disease, performance status and estimated prognostic (DS GPA). Therefore, for oligometastatic brain patients with a better prognosis, this therapeutic modality is controversial. In fact, whole-brain radiation therapy improves neurological outcomes, but it can also induce late neuro-cognitive sequelae for long-term survivors of brain metastases...
February 1, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28160777/curcumin-decreases-malignant-characteristics-of-glioblastoma-stem-cells-via-induction-of-reactive-oxygen-species
#19
Zachary C Gersey, Gregor A Rodriguez, Eric Barbarite, Anthony Sanchez, Winston M Walters, Kelechi C Ohaeto, Ricardo J Komotar, Regina M Graham
BACKGROUND: Glioblastoma Multiforme (GBM) is the most common and lethal form of primary brain tumor in adults. Following standard treatment of surgery, radiation and chemotherapy, patients are expected to survive 12-14 months. Theorized cause of disease recurrence in these patients is tumor cell repopulation through the proliferation of treatment-resistant cancer stem cells. Current research has revealed curcumin, the principal ingredient in turmeric, can modulate multiple signaling pathways important for cancer stem cell self-renewal and survival...
February 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28152812/real-world-treatment-patterns-and-outcomes-in-her2-positive-mbc-patients-with-brain-metastasis-in-the-u-s-community-oncology-setting
#20
Eileen Fonseca, Bongin Yoo, Thomas Wilson, Hans-Peter Goertz, Catherine Lai
: 92 Background: Patients (pts) with HER2 positive (HER2+) metastatic breast cancer (MBC) have different patterns of disease and treatment (tx) from HER2 negative MBC. Brain metastasis (BM) frequently occurs and txs vary. METHODS: This retrospective study included adult HER2+ MBC pts from a community oncology network electronic health record (EHR) database and diagnosed between 2009-2011, with follow-up until 11/2014. Pts with other primary tumors were excluded...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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