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Surgical Neurology International

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https://www.readbyqxmd.com/read/28904830/review-of-commercially-available-demineralized-bone-matrix-products-for-spinal-fusions-a-selection-paradigm
#1
REVIEW
J A Shehadi, S M Elzein
BACKGROUND: Spinal fusions are commonly performed in the US each year for various spinal pathologies. There are multiple commercially available graft material options for these procedures, including an abundance of demineralized bone matrix (DBM) products. METHODS: This study reviews, clearly organizes, and puts forth meaningful information on select biological and physical properties of several commercially available DBM products. In addition, we provide an alternative classification method of DBM products by carrier...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904829/cavernous-angioma-presenting-with-subarachnoid-hemorrhage-which-was-diffusely-distributed-in-the-basal-cisterns-and-mimicked-intracranial-aneurysm-rupture
#2
Atsuhito Uneda, Satoru Yabuno, Takahiro Kanda, Kenta Suzuki, Koji Hirashita, Masatoshi Yunoki, Kimihiro Yoshino
No abstract text is available yet for this article.
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904828/usefulness-of-dural-surface-tracing-of-the-cortical-vessels-with-indocyanine-green-videoangiography-just-prior-to-dural-opening-for-various-cerebrovascular-diseases
#3
Naoki Otani, Kojiro Wada, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Kentaro Mori
BACKGROUND: Indocyanine green (ICG) videoangiography can be used to delineate the locations of the cortical vessels just prior to dural opening, allowing safe and optimal dural opening. The present clinical series demonstrates the adjunct use of ICG videoangiography to optimize dural opening for the treatment of various cerebrovascular diseases. METHODS: A total of 45 patients underwent surgery for superficial temporal artery-middle cerebral artery bypass (40), arteriovenous malformation (2), and dural arteriovenous fistula (3) between January 2012 and December 2016...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904827/horizontal-distance-of-anterior-communicating-artery-aneurysm-neck-from-anterior-clinoid-process-is-critically-important-to-predict-postoperative-complication-in-clipping-via-pterional-approach
#4
Takashi Fujii, Naoki Otani, Satoru Takeuchi, Terushige Toyooka, Kojiro Wada, Kentaro Mori
BACKGROUND: The difficulty of clipping aneurysm of the anterior communicating artery (AcomA) depends on the size, direction, positional relationship with the parent artery, and height from the anterior frontal base. Cases of clipping unruptured AcomA aneurysm through pterional approach were analyzed to investigate the importance of the horizontal distance from the base of the anterior clinoid process. METHODS: Twenty-six consecutive unruptured AcomA aneurysms were treated by clipping through pterional approach in 10 males and 11 females aged 37-77 years (mean 61...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904826/modified-extradural-temporopolar-approach-with-mini-peeling-of-dura-propria-for-paraclinoid-and-or-parasellar-tumors-operative-technique-and-nuances
#5
Naoki Otani, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Kojiro Wada, Kentaro Mori
BACKGROUND: Modified extradural temporopolar approach (EDTPA) with mini-peeling of the dura propria can provide extensive exposure of the anterior clinoid process and early exposure, as well as complete mobilization and decompression of the optic nerve and internal carotid artery, which can prevent intraoperative neurovascular injury for paraclinoid and/or parasellar lesions. The present study investigated the usefulness of this modified technique and discusses the operative nuances. METHODS: We retrospectively reviewed medical charts of 27 consecutive patients with neoplastic paraclinoid and/or parasellar lesions who underwent this modified approach between September 2009 and August 2016...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904825/angiographic-and-epidemiological-characteristics-associated-with-aneurysm-remnants-after-microsurgical-clipping
#6
Marcos Dellaretti, Warley Carvalho da Silva Martins, Jules Carlos Dourado, Wilson Faglioni, Ricardo Souza Quadros, Vítor Vieira de Souza Moraes, Carlos Batista Alves de Souza Filho
BACKGROUND: Despite new techniques for the treatment of cerebral aneurysms, the percentage of aneurysm remnants after surgical intervention seems to be relatively constant. The objective of this study was to assess angiographic and epidemiological features associated with aneurysm remnants after microsurgical clipping. METHODS: This study was conducted from February 2009 to August 2012 on a series of 90 patients with 105 aneurysms referred to the Santa Casa of Belo Horizonte who were surgically treated and angiographically controlled...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904824/a-case-of-unruptured-aneurysm-of-the-internal-carotid-artery-presenting-as-olfactory-hallucinations
#7
Jiro Akimoto, Norio Ichimasu, Rei Haraoka, Shinjiro Fukami, Michihiro Kohno
BACKGROUND: Olfactory hallucination, a symptom of medial temporal lobe epilepsy, is rarely associated with unruptured intracranial aneurysms. CASE DESCRIPTION: We encountered this situation in a 70-year-old woman with an unruptured aneurysm at the bifurcation of the internal carotid and posterior communicating artery. We were able to achieve epileptic control by craniotomy clipping and medial temporal lesionectomy. CONCLUSION: According to our knowledge, previous reports are limited to cases of large middle cerebral artery aneurysms compressing the lateral orbitofrontal cortex, and this is apparently the first report of a case where olfactory hallucinations occurred from direct stimulation of the entorhinal cortex by an internal carotid and posterior communicating artery bifurcation aneurysm...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904823/a-novel-drainage-approach-in-patients-with-cholesterol-granuloma-from-petrous-apex-to-mastoid-air-cell
#8
Saeed Banaama, Robert Stokroos, Youssef Yakkioui, Jacobus van Overbeeke, Yasin Temel
BACKGROUND: Cholesterol granulomas (CG) of the petrous apex (CGPA) are benign lesions that have high recurrence rates after surgical intervention. We describe the use of a robust silicon drain between the petrous apex and mastoid air cells to allow constant aeration of the lesion for preventing recurrence. CASE DESCRIPTION: A retrospective analysis was performed using the data of four patients treated at the Maastricht University Medical Centre between 2014 and 2016...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904822/a-parental-perspective-concerning-barriers-to-care-for-neural-tube-defects-in-china
#9
Andrew Campion, Clement Lee, Nan Bao, Jorge Lazareff
BACKGROUND: The People's Republic of China (PRC) has the highest incidence of neural tube defects (NTDs) in the world. NTDs remain a significant contributor to the global burden of disease amendable to surgical care; however, no studies to date have evaluated the patients' perspective regarding perceived barriers to care. METHODS: The study was conducted at the Shanghai Children's Medical Center (SCMC) between 6/11/2014 and 7/17/2014. Surveys were administered to families presenting to the clinic of the SCMC director for Pediatric Neurosurgery...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904821/endoscopic-transnasal-suprasellar-approach-for-anterior-clinoidal-meningioma-a-case-report-and-review-of-the-literature
#10
Anas M Bardeesi, Saad Alsaleh, Abdulrazag M Ajlan
BACKGROUND: Anterior clinoidal meningiomas (ACM) are traditionally approached through transcranial routes. Due to their tendency to extend laterally and their proximity to vital neurovascular structures, the endoscopic transnasal suprasellar approach is still questionable. We present and describe an ACM case that underwent an endoscopic transnasal suprasellar approach, and provide a review of the literature and operative technique. CASE DESCRIPTION: A 56 year-old lady who presented with chronic left-sided decreased vision...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904820/successful-cerebral-thrombectomy-for-a-nonagenarian-with-stroke-in-the-subacute-phase-after-transcatheter-aortic-valve-implantation
#11
Kazuya Matsuo, Atsushi Fujita, Jun Tanaka, Tomoaki Nakai, Masaaki Kohta, Kohkichi Hosoda, Toshiro Shinke, Ken-Ichi Hirata, Eiji Kohmura
BACKGROUND: Thromboembolic events are infrequent but serious complications of transcatheter aortic valve implantation (TAVI), occurring in 2.3-10% of the patients. However, the cause of post-TAVI stroke is unclear. CASE DESCRIPTION: A 90-year-old female underwent transfemoral-TAVI for severe aortic stenosis. Ten days later, she presented with an ischemic stroke of the left middle cerebral artery territory due to new-onset atrial fibrillation (NOAF). She underwent emergent endovascular thrombectomy with good reperfusion approximately 6 hours after onset of symptoms...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868204/impact-of-low-coagulation-factor-xiii-activity-in-patients-with-chronic-subdural-hematoma-associated-with-cerebrospinal-fluid-hypovolemia-a-retrospective-study
#12
Takafumi Shimogawa, Takato Morioka, Tetsuro Sayama, Tomoaki Akiyama, Sei Haga, Toshiyuki Amano, Yoshihiko Furuta, Kei Murao, Shuji Arakawa, Iwao Takeshita
BACKGROUND: Cerebrospinal fluid hypovolemia (CSFH) is sometimes associated with chronic subdural hematomas (CSHs). Affected patients often develop enlargement and recurrence of the CSH, even if appropriate treatments such as epidural blood patch (EBP) and/or burr-hole surgery for the CSH are performed. This situation may lead to subclinical coagulopathy, including low coagulation factor XIII (CFXIII) activity. We retrospectively analyzed whether CFXIII activity was involved in the development of CSHs and post-treatment exacerbation of CSHs in patients with CSFH...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868203/titanium-versus-polyetheretherketone-implants-for-vertebral-body-replacement-in-the-treatment-of-77-thoracolumbar-spinal-fractures
#13
Rafael Augusto Castro Santiago Brandão, Warley Carvalho da Silva Martins, Aluízio Augusto Arantes, Sebastião Nataniel Silva Gusmão, Gilles Perrin, Cédric Barrey
BACKGROUND: Titanium and polyetheretherketone (PEEK) implants have been used in spinal surgery with low rejection rates. Compared to titanium, PEEK has many advantages, including a density more similar to that of bone, radiolucency, and a lack of artifacts in computed tomography (CT) and magnetic resonance imaging (MRI). In this study, we evaluated the effectiveness of PEEK cages as an alternative to titanium for bone fusion after fractures of the thoracolumbar spine. We also propose a classification to the impaction index...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868202/a-thoracic-vertebral-localization-of-a-metastasized-cutaneous-merkel-cell-carcinoma-case-report-and-review-of-literature
#14
Rosario Maugeri, Antonella Giugno, Roberto G Giammalva, Carlo Gulì, Luigi Basile, Francesca Graziano, Domenico G Iacopino
BACKGROUND: Merkel cell carcinoma (MCC) is a rare neuroendocrine skin tumor, which may be related to sun exposure. It can metastasize to lungs, liver and bone, leading to severe morbidity and mortality. Vertebral metastases from MCC are rare. The authors report the tenth case in the literature, a 59-year-old patient with MCC, which was primarily localized in the scalp, and later provoked distant metastasis to the thoracic spinal column. CASE DESCRIPTION: A 59-year-old woman was admitted at our Unit of Neurosurgery with a 4-month history of progressive and severe dorsal back pain, without neurological signs...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868201/never-say-never-again-a-bone-graft-infection-due-to-a-hornet-sting-thirty-nine-years-after-cranioplasty
#15
Rosario Maugeri, Roberto G Giammalva, Francesca Graziano, Luigi Basile, Carlo Gulì, Antonella Giugno, Domenico G Iacopino
BACKGROUND: Cranioplasty (CP) is a widespread surgical procedure aimed to restore skull integrity and physiological cerebral hemodynamics, to improve neurological functions and to protect the underlying brain after a life-saving decompressive craniectomy (DC). Nevertheless, CP is still burdened by surgical complications, among which early or late graft infections are the most common outcome-threatening ones. CASE DESCRIPTION: We report the case of 48-year-old man admitted to our neurosurgical unit because of a painful right frontal swelling and 1-week purulent discharge from a cutaneous fistula...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868200/the-open-access-video-collection-project-hernesniemi-s-1001-and-more-microsurgical-videos-of-neurosurgery-a-legacy-for-educational-purposes
#16
Joham Choque-Velasquez, Danil A Kozyrev, Roberto Colasanti, Peeraphong Thiarawat, Patcharin Intarakhao, Behnam Rezai Jahromi, Juha Hernesniemi
BACKGROUND: Neurosurgical educational programs and courses are helpful to improve the quality of training. Moreover, nowadays, online activities may represent a very useful tool to globally enhance neurosurgical education. The "Hernesniemi's 1001 and more microneurosurgical videos" project aims to show the microsurgical style developed by the senior author and his TEAMs in more than 40 years of experience. METHODS: More than 1100 high-definition videos of microneurosurgical operations performed by the senior author were carefully edited...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868199/intradural-angiomatous-meningioma-arising-from-a-thoracic-nerve-root
#17
Paolo Missori, Valeria Palmarini, Maria Grazia Elefante, Marco Scapeccia, Maurizio Domenicucci, Sergio Paolini
BACKGROUND: Spinal intradural meningiomas that arise purely from a nerve root without dural attachments are extremely rare. Spinal meningiomas arise from arachnoidal cap cells in the spinal canal, and growth of these tumors exerts pressure on the spinal cord and nerve roots. CASE DESCRIPTION: A patient presented with a lesion at the T3-T4 level that resembled a schwannoma on magnetic resonance imaging. During surgery, the tumor originated from a spinal nerve root...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868198/malignant-squamous-cell-carcinoma-arising-in-a-previously-resected-cerebellopontine-angle-epidermoid
#18
Annika Mascarenhas, Alyssa Parsons, Caroline Smith, Cindy Molloy, Alistair Jukes
BACKGROUND: Malignant squamous cell differentiation of an epidermoid cyst can carry a significantly poor prognosis and very little is known about this entity. CASE DESCRIPTION: We present the case of a 35-year-old lady, with primary malignant squamous cell carcinoma (SCC) arising from a previously partially resected cerebellopontine angle epidermoid cyst almost 5 years after initial resection. We also review the relevant literature. CONCLUSION: The imaging findings, histopathology, and management of a malignant SCC arising from a benign epidermoid cyst are discussed with recommendation for increased surveillance and follow-up, even for classically accepted benign lesions...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868197/combined-simultaneous-transcranial-and-endoscopic-endonasal-resection-of-sphenoorbital-meningioma-extending-into-the-sphenoid-sinus-pterygopalatine-fossa-and-infratemporal-fossa
#19
Masahide Matsuda, Hiroyoshi Akutsu, Shuho Tanaka, Akira Matsumura
BACKGROUND: Sphenoorbital meningiomas are surgically challenging because of their nature to extend to adjacent structures. Here, we describe a case of recurrent sphenoorbital meningioma extending into the sphenoid sinus, pterygopalatine fossa, and infratemporal fossa, which was resected using combined simultaneous transcranial and endoscopic endonasal approaches. CASE DESCRIPTION: A 62-year-old man who had 15 years earlier undergone partial resection of a left sphenoorbital meningioma presented with a 1-year history of progressive proptosis of the left eye...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28868196/novel-approach-to-continuous-neurophysiological-monitoring-during-surgery-of-peripheral-nerve-tumors
#20
Ángel Saponaro-González, Pedro Javier Pérez-Lorensu
BACKGROUND: Intraoperative neurophysiological monitoring (IONM) with nerve action potential (NAP) can be useful during peripheral nerve surgery. However, current methodologies are not optimized for continuous recording of the NAP. The use of newer electrodes may make it possible to more conveniently obtain continuous recordings of the NAP during surgery. METHODS: After localizing the nerve of interest and dissecting it from the adjacent soft tissue, two APS(®) (Automatic Periodic Stimulation) electrodes, originally designed for stimulation of the vagus nerve during thyroid surgery, are placed on the nerve on either sides of the tumor for stimulation and recording using two subdermal electroencephalogram (EEG) needles as anode and reference, respectively...
2017: Surgical Neurology International
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