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https://www.readbyqxmd.com/read/29756610/the-hump-columellar-strut-a-reliable-technique-for-correction-of-nasal-tip-underprojection
#1
P G Giacomini, S Mocella, S DI Girolamo, R DE Berardinis, A Boccieri
Nasal tip under projection is often found in rhinoplasty cases both for congenital or post-traumatic deformity. Nasal trauma may result in alteration of the external and internal nasal structures with following aesthetic impairment and difficulties in breathing. Post-traumatic surgery is frequent, but restoration of pre-traumatic form and function remains a challenge. The present paper describes a new method to increase tip projection by a columellar strut harvested from the autologous nasal bone and cartilage of the resected hump...
February 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29751369/central-giant-cell-lesion-of-the-jaws-an-updated-analysis-of-2270-cases-reported-in-the-literature
#2
REVIEW
Bruno Ramos Chrcanovic, Carolina Cavalieri Gomes, Ricardo Santiago Gomez
PURPOSE: To review all available data published on central giant cell lesion (CGCL) of the jaws into a comprehensive analysis of its clinical/radiologic features, with emphasis on the predictive factors associated with its recurrence. METHODS: An electronic search was undertaken in 5 databases (February/2018), looking for reporting cases of CGCLs. RESULTS: 365 publications were included, comprising 2270 lesions. CGCLs were more prevalent in women and the mandible...
May 11, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29747636/a-novel-method-for-periapical-microsurgery-with-the-aid-of-3d-technology-a-case-report
#3
Shangzhu Ye, Shiyong Zhao, Weidong Wang, Qianzhou Jiang, Xuechao Yang
BACKGROUND: Three-dimensional (3D) technology has gained wide acceptance in dentistry. It has been used for treatment planning and surgical guidance. This case report presented a novel treatment approach to remove cortical bone and root-end during periapical surgery with the help of Cone-Beam Computed Tomography (CBCT), Computer Aided Design (CAD) and three-dimensional (3D) printing technology. CASE PRESENTATION: A 37-year-old female patient presented with a large periapical lesion of left maxillary lateral incisor and canine was referred for microsurgical endodontic surgery...
May 10, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29742889/intraoperative-neurophysiological-monitoring-a-review-of-techniques-used-for-brain-tumor-surgery-in-children
#4
REVIEW
Keewon Kim, Charles Cho, Moon-Suk Bang, Hyung-Ik Shin, Ji-Hoon Phi, Seung-Ki Kim
Intraoperative monitoring (IOM) utilizes electrophysiological techniques as a surrogate test and evaluation of nervous function while a patient is under general anesthesia. They are increasingly used for procedures, both surgical and endovascular, to avoid injury during an operation, examine neurological tissue to guide the surgery, or to test electrophysiological function to allow for more complete resection or corrections. The application of IOM during pediatric brain tumor resections encompasses a unique set of technical issues...
May 2018: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29738857/the-effect-of-tumour-neovasculature-on-fmri-bold-activation
#5
Layla Gould, Chelsea Ekstrand, Daryl R Fourney, Marla J S Mickleborough, Tasha Ellchuk, Ron Borowsky
We report a 40-year-old patient with a large, WHO grade III oligodendroglioma in the left parietal lobe. Presurgical planning included fMRI localization of language, motor, and somatosensory processing. The fMRI results for the motor and somatosensory tasks revealed activation in peri-lesional regions near the surgical resection, as well as deactivation in the tumour for the sensory task, suggesting that there is decreased autoregulation in the region due to the glioma. The fMRI results showed left hemisphere dominance for language, as well as activation in peri-lesional regions for all three speech tasks (i...
May 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29730171/small-intraneuronal-acidification-via-short-chain-monocarboxylates-first-evidence-of-an-inhibitory-action-on-over-excited-human-neocortical-neurons
#6
Udo Bonnet, Dieter Bingmann, Erwin-Josef Speckmann, Martin Wiemann
AIMS: In cortical mammalian neurons, small fluctuations of intracellular pH (pHi) play a crucial role for inter- and intracellular signaling as well as for cellular and synaptic plasticity. Yet, there have been no respective data about humans. Thus, we investigated the interrelation of pHi and excitability of human cortical neurons. MATERIALS AND METHODS: Intracellular electrophysiological and pH-recordings were made in neurons in slices taken from brain tissue resected from the middle temporal gyrus of two male children (26 months and 35 months old) who suffered from pharmacotherapy-resistant temporal lobe epilepsy...
May 3, 2018: Life Sciences
https://www.readbyqxmd.com/read/29713435/three-dimensional-finite-element-analysis-of-the-splinted-implant-prosthesis-in-a-reconstructed-mandible
#7
Kyung-Hoi Heo, Young-Jun Lim, Myung-Joo Kim, Ho-Beom Kwon
PURPOSE: The purpose of this study was to analyze the effects of the splinted implant prosthesis in a reconstructed mandible using three-dimensional finite element analysis. MATERIALS AND METHODS: Three-dimensional finite element models were generated from a patient's computed tomography data. The patient had undergone partial resection of the mandible that covered the area from the left canine to the right condyle. The mandible was reconstructed using a fibula bone graft and dental implants...
April 2018: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29709747/factors-related-to-the-clinical-outcomes-of-surgery-for-extra-temporal-lobe-epilepsy-long-term-follow-up-results
#8
Yoon Ha Hwang, Na Young Jung, Chang Kyu Park, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
OBJECTIVE: As compared to temporal lobe epilepsy, the surgical outcome in extra-temporal epilepsy (ETLE) is still unsatisfactory. However, recent advances in diagnostic and surgical techniques have led to improved prognosis. This study investigated the outcomes and prognostic factors of ETLE based on long-term follow-up of patients undergoing surgical treatment for ETLE, in a single institute. METHODS: From 2003 through 2015, we retrospectively reviewed the medical records of 58 patients with refractory ETLE who underwent resection at our hospital...
April 27, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29704039/correction-to-18-f-fdg-pet-in-drug-resistant-epilepsy-due-to-focal-cortical-dysplasia-type-2-additional-value-of-electroclinical-data-and-coregistration-with-mri
#9
Serge Desarnaud, Charles Mellerio, Franck Semah, Agathe Laurent, Elisabeth Landre, Bertrand Devaux, Catherine Chiron, Vincent Lebon, Francine Chassoux
The original version of this article has added numbers in the text which are unnecessary. Correct line should be: "We also performed PET/MRI based surgical resections in an increasing number of MRI negative/ doubtful cases with favourable outcome."
April 28, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29690711/-the-application-of-stereo-electroencephalography-guided-radiofrequency-thermocoagulation-in-refractory-temporal-epilepsy
#10
C W Xu, W J Zhou, J J Bai, B Q Zhang, H X Wang, J Ruan, J Li, J L Lin, Y Q Zhang
Objective: To investigate the clinical value of stereo-electroencephalography guided radiofrequency thermos-coagulation (RFTC) in drug resistant temporal epilepsy. Methods: The clinical data of 12 patients with refractory temporal epilepsy who underwent implantation of SEEG electrodes and radiofrequency thermos-coagulation from July 2016 to November 2017 were analysed retrospectively. Results: The mean follow-up time was 6.4±4.6 months after thermos-coagulation, and 10.2±3.5 months after resection. Engel Ⅰa was observed in 9 cases, with Ⅱa, Ⅲa and Ⅳa 1 cases respectively...
April 3, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29685607/magnetoencephalographic-spike-analysis-in-patients-with-focal-cortical-dysplasia-what-defines-a-dipole-cluster
#11
Naoaki Tanaka, Christos Papadelis, Eleonora Tamilia, Michel AlHilani, Joseph R Madsen, Phillip L Pearl, Steven M Stufflebeam
BACKGROUND: The purpose of this study is to clarify the source distribution patterns of magnetoencephalographic spikes correlated with postsurgical seizure-free outcome in pediatric patients with focal cortical dysplasia. PATIENTS AND METHODS: Thirty-two patients with pathologically confirmed focal cortical dysplasia were divided into seizure-free and seizure-persistent groups according to their surgical outcomes based on Engel classification. In each patient, presurgical magnetoencephalography was reviewed...
March 15, 2018: Pediatric Neurology
https://www.readbyqxmd.com/read/29684925/minimally-invasive-resection-of-deep-seated-high-grade-gliomas-using-tubular-retractors-and-exoscopic-visualization
#12
Rajiv Iyer, Kaisorn L Chaichana
BACKGROUND AND STUDY AIMS/OBJECTIVE:  Deep-seated high-grade gliomas (HGGs) represent a unique surgical challenge because they reside deep to critical cortical and subcortical structures and infiltrate functional areas of the brain. Therefore, accessing and resecting these tumors can often be challenging and associated with significant morbidity. We describe the use of minimally invasive approaches to access deep-seated HGGs to achieve extensive resections while minimizing surgical morbidity...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29683236/odontogenic-myxoma-an-updated-analysis-of-1692-cases-reported-in-the-literature
#13
REVIEW
Bruno Ramos Chrcanovic, Ricardo Santiago Gomez
OBJECTIVE: To integrate the available data published on odontogenic myxoma (OM) into a comprehensive analysis of its clinical/radiologic features. METHODS: Electronic search undertaken in January/2018, looking for publications reporting cases of OM. RESULTS: 377 publications included. We identified 1692 lesions and 695 were used for analysis of recurrence. There is predominance of OMs in females and in mandibles. OMs usually present with bone expansion, asymptomatic cortical perforation, multilocular...
April 23, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29679388/somatic-slc35a2-variants-in-the-brain-are-associated-with-intractable-neocortical-epilepsy
#14
Melodie R Winawer, Nicole G Griffin, Jorge Samanamud, Evan H Baugh, Dinesh Rathakrishnan, Senthilmurugan Ramalingam, David Zagzag, Catherine A Schevon, Patricia Dugan, Manu Hegde, Sameer A Sheth, Guy M McKhann, Werner K Doyle, Gerald A Grant, Brenda E Porter, Mohamad A Mikati, Carrie R Muh, Colin D Malone, Ann Marie R Bergin, Jurriaan M Peters, Danielle K McBrian, Alison M Pack, Cigdem I Akman, Christopher M LaCoursiere, Katherine M Keever, Joseph R Madsen, Edward Yang, Hart G W Lidov, Catherine Shain, Andrew S Allen, Peter Canoll, Peter B Crino, Annapurna H Poduri, Erin L Heinzen
OBJECTIVE Somatic variants are a recognized cause of epilepsy-associated focal malformations of cortical development (MCD). We hypothesized that somatic variants may underlie a wider range of focal epilepsy, including non-lesional focal epilepsy (NLFE). Through genetic analysis of brain tissue, we evaluated the role of somatic variation in focal epilepsy with and without MCD. METHODS We identified somatic variants through high-depth exome and ultra-high-depth candidate gene sequencing of DNA from epilepsy surgery specimens and leukocytes from 18 individuals with NLFE and 38 with focal MCD...
April 20, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29676697/the-transcortical-equatorial-approach-for-gliomas-of-the-mesial-temporal-lobe-techniques-and-functional-outcomes
#15
Ramin A Morshed, Jacob S Young, Seunggu J Han, Shawn L Hervey-Jumper, Mitchel S Berger
OBJECTIVE Many surgical approaches have been described for lesions within the mesial temporal lobe (MTL), but there are limited reports on the transcortical approach for the resection of tumors within this region. Here, the authors describe the technical considerations and functional outcomes in patients undergoing transcortical resection of gliomas of the MTL. METHODS Patients with a glioma (WHO grades I-IV) located within the MTL who had undergone the transcortical approach in the period between 1998 and 2016 were identified through the University of California, San Francisco (UCSF) tumor registry and were classified according to tumor location: preuncus, uncus, hippocampus/parahippocampus, and various combinations of the former groups...
April 20, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29671296/minimally-invasive-tubular-retractor-assisted-biopsy-and-resection-of-subcortical-intra-axial-gliomas-and-other-neoplasms
#16
Kelly Gassie, Olindi Wijesekera, Kaisorn L Chaichana
Deep-seated, subcortical tumors represent a surgical challenge. The traditional approach to these lesions involve large craniotomies, fixed retractor systems, and extensive white matter dissection, each with their own associated morbidity. We describe our experience with the use of tubular retractors for accessing these deep-seated lesions. Fifty consecutive patients operated on for an intra-axial brain tumor (both biopsies and resection) from January 2016 to December 2017 by a single surgeon using tubular retractors with exoscopic visualization were prospectively identified and included in this consecutive case series...
April 18, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29660551/photogrammetry-of-the-human-brain-a-novel-method-for-3d-the-quantitative-exploration-of-the-structural-connectivity-in-neurosurgery-and-neurosciences
#17
Alessandro De Benedictis, Erica Nocerino, Fabio Menna, Fabio Remondino, Mattia Barbareschi, Umberto Rozzanigo, Francesco Corsini, Emanuele Olivetti, Carlo Efisio Marras, Franco Chioffi, Paolo Avesani, Silvio Sarubbo
BACKGROUND: Anatomical awareness of brain's structural connectivity is mandatory for neurosurgeons, to select the most effective approaches for brain resections. Although standard micro-dissection is a validated technique to investigate the different white matter (WM) pathways and to verify results coming from tractography, the possibility of an interactive exploration of the specimens and of a reliable acquisition of quantitative information has not been described so far. Photogrammetry is a well-established technique allowing an accurate metrology on highly defined 3D-models...
April 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29649797/a-multimodal-approach-to-the-treatment-of-intraparenchymal-meningioma-in-a-7-year-old-boy-a-case-report
#18
Maria Caterina Vescovi, Daniele Bagatto, Gabriele Capo, Marta Maieron, Dario Marin, Enrico Pegolo, Barbara Tomasino
Intraparenchymal meningiomas are very rare: only 26 cases have been diagnosed in patients younger than 20 years since 1954. They can lead to preoperative differential diagnosis mistakes due to their atypical neuroimaging appearance. A multimodal approach is thus necessary to plan a surgical procedure aiming to receive the best extent of resection while preserving the patient's functional integrity. The authors report the case of a 7-year-old boy with a history of blurred vision, left eye deviation, and weakness on the left side of his body...
April 12, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29649770/advanced-dynamic-statistical-parametric-mapping-with-meg-in-localizing-epileptogenicity-of-the-bottom-of-sulcus-dysplasia
#19
Midori Nakajima, Simeon Wong, Elysa Widjaja, Shiro Baba, Tohru Okanishi, Lynne Takada, Yosuke Sato, Hiroki Iwata, Maya Sogabe, Hikaru Morooka, Robyn Whitney, Yuki Ueda, Tomoshiro Ito, Kazuyori Yagyu, Ayako Ochi, O Carter Snead, James T Rutka, James M Drake, Sam Doesburg, Fumiya Takeuchi, Hideaki Shiraishi, Hiroshi Otsubo
OBJECTIVE: To investigate whether advanced dynamic statistical parametric mapping (AdSPM) using magnetoencephalography (MEG) can better localize focal cortical dysplasia at bottom of sulcus (FCDB). METHODS: We analyzed 15 children with diagnosis of FCDB in surgical specimen and 3 T MRI by using MEG. Using AdSPM, we analyzed a ±50 ms epoch relative to each single moving dipole (SMD) and applied summation technique to estimate the source activity. The most active area in AdSPM was defined as the location of AdSPM spike source...
March 30, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29625365/morphometric-mri-features-and-surgical-outcome-in-patients-with-epilepsy-related-to-hippocampal-sclerosis-and-low-intellectual-quotient
#20
Larissa Botelho Gaça, Maria Teresa Fernandes Castilho Garcia, Gabriel Barbosa Sandim, Idaiane Batista Assumption Leme, Maria Helena Silva Noffs, Henrique Carrete, Ricardo Silva Centeno, João Ricardo Sato, Elza Márcia Targas Yacubian
OBJECTIVE: The objectives of this study were to verify in a series of patients with mesial temporal lobe epilepsy with hippocampal sclerosis (MTLE-HS) if those with low intellectual quotient (IQ) levels have more extended areas of atrophy compared with those with higher IQ levels and to analyze whether IQ could be a variable implicated on a surgical outcome. MATERIAL AND METHODS: Patients (n=106) with refractory MTLE-HS submitted to corticoamygdalohippocampectomy (CAH) (57 left mesial temporal lobe epilepsy (MTLE); 45 males) were enrolled...
April 3, 2018: Epilepsy & Behavior: E&B
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