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Surgical Neurology International

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https://read.qxmd.com/read/30775062/neurocytoma-mimicking-macroadenoma
#1
Breno Nery, Fred Bernardes Filho, Rodrigo Antônio Fernandes Costa, Leandro César Tângari Pereira, Eduardo Quaggio, Rodolfo Mendes Queiroz, Lucas Giansante Abud, Daniela Pretti da Cunha Tirapelli
Background: Intraventricular and extraventricular central neurocytomas (CN) are equally frequent among 20-40-year-old men and women. However, sellar and suprasellar extraventricular CN are extremely rare, with only 12 reported cases. Case Description: The authors report the case of a Brazilian 27-year-old man who presented with progressive vision loss during the last 4 years and serious bilateral keratoconus. We also review the epidemiological, clinical, radiological, pathological, and treatment features of the 12 reported cases...
2019: Surgical Neurology International
https://read.qxmd.com/read/30775061/intrachiasmatic-craniopharyngioma-assessment-of-visual-outcome-with-optical-coherence-tomography-after-complete-surgical-removal
#2
Ricardo Gil-Simoes, José M Pascual, Andrés P Casas, Rafael G de Sola
Background: Optic chiasm invasion by a craniopharyngioma (CP) is exceptional. Surgical treatment of intrachiasmatic CPs associates a high risk of chiasm injury, which should be properly addressed before surgery. Case Description: We present a 46-year-old woman admitted to the hospital with low visual acuity (0.1 in the right eye and 0.5 in the left) and a severe defect in her visual fields, in addition to headaches, diabetes insipidus, and a long-term depressive disorder...
2019: Surgical Neurology International
https://read.qxmd.com/read/30775060/multiple-aneurysms-aortic-coarctation-and-persistent-trigeminal-artery-a-unique-presentation
#3
Jose Antonio Figueroa-Sanchez, Ana S Ferrigno, Hector Ramon Martinez-Rodriguez
No abstract text is available yet for this article.
2019: Surgical Neurology International
https://read.qxmd.com/read/30775059/usefulness-of-preoperative-cone-beam-computed-tomography-and-intraoperative-digital-subtraction-angiography-for-dural-arteriovenous-fistula-at-craniocervical-junction-technical-case-report
#4
Nobuhide Hayashi, Nagatsuki Tomura, Hideo Okada, Takahiro Sasaki, Eisaku Tsuji, Hiroki Enomoto, Toshikazu Kuwata
Background: Direct surgery is commonly selected for the treatment of cranio-cervical junction dural arteriovenous fistula and its outcome is more satisfactory than that of embolization. Intraoperative treatment evaluation is relatively easy in embolization, whereas in direct surgery it can be difficult. Case Description: A 67-year-old male suffered a subarachnoid hemorrhage. On three-dimensional (3D) images of preoperational cone-beam computed tomography (CBCT), the structure of the draining vein was depicted in detail along with the surrounding bone structures...
2019: Surgical Neurology International
https://read.qxmd.com/read/30775058/modified-pure-endoscopic-approach-mapend-in-neurosurgery
#5
Joham Choque-Velasquez, Franklin Miranda-Solis, Roberto Colasanti, Juha Hernesniemi
No abstract text is available yet for this article.
2019: Surgical Neurology International
https://read.qxmd.com/read/30775057/a-case-of-metastatic-brain-tumor-mimicking-an-expanding-thalamic-hematoma
#6
Yutaka Fujioka, Toshiyuki Amano, Akira Nakamizo, Satoshi Matsuo, Shigeto Kawauchi
Background: Brain tumor are a major etiology of secondary intracranial hemorrhage (ICH) because ICH in patients with cancer often occurs from an intratumoral hemorrhage. However, it is sometimes difficult to detect a tumor when it is tiny and buried, especially during initial examination. Case Description: A 65-year-old woman who was diagnosed with pulmonary small cell carcinoma 6 months previously developed sudden-onset consciousness disturbance and left hemiparesis...
2019: Surgical Neurology International
https://read.qxmd.com/read/30775056/successful-treatment-of-a-case-of-tentorial-dural-arteriovenous-fistula-causing-subarachnoid-hemorrhage-with-invagination-of-the-brainstem-by-huge-and-multiple-venous-pouches
#7
Natsumi Fujii, Makoto Ideguchi, Takafumi Nishizaki, Norio Ikeda, Taichi Shimabukuro, Tomomi Okamura, Machiko Oono
Background: We present a case of tentorial dural arteriovenous fistula (TDAVF) causing subarachnoid hemorrhage with mass effect of large venous pouches, which was struggling to diagnosis and management due to complex vasculature and severe general condition. Case Description: A 43-year-old man was transferred to our hospital due to sudden consciousness disturbance. A neurological examination revealed tetraparesis and pupil dilatation with no light reflex. Imaging findings showed a large lesion in the brainstem with subarachnoid and intraventricular hemorrhage...
2019: Surgical Neurology International
https://read.qxmd.com/read/30775055/functional-and-aesthetic-evaluation-after-cranial-reconstruction-with-polymethyl-methacrylate-prostheses-using-low-cost-3d-printing-templates-in-patients-with-cranial-defects-secondary-to-decompressive-craniectomies-a-prospective-study
#8
Juan Pablo Borges Rodrigues Maricevich, Auricelio B Cezar-Junior, Edilson Xavier de Oliveira-Junior, Jose Arthur Morais Veras E Silva, Jorge Vicente Lopes da Silva, Amanda Amorin Nunes, Nivaldo S Almeida, Hildo Rocha Cirne Azevedo-Filho
Background: Cranial reconstruction surgery is a procedure used as an attempt to reestablish the cranial bone anatomy. This study evaluates the symptomatic and aesthetic improvement of patients with cranial defects secondary to decompressive craniectomies after cranial reconstruction with customized polymethyl methacrylate (PMMA) prostheses. Secondly, we aim to divide our experience in the production of these prostheses with a low-cost method. Methods: A prospective study was carried out with patients submitted to cranioplasty at the Hospital da Restauração between 2014 and 2017...
2019: Surgical Neurology International
https://read.qxmd.com/read/30687576/the-american-association-of-neurological-surgeons-aans-suspends-surgeon-for-arguing-against-unnecessarily-extensive-spine-surgery-was-this-appropriate
#9
EDITORIAL
Nancy E Epstein
No abstract text is available yet for this article.
2018: Surgical Neurology International
https://read.qxmd.com/read/30687575/does-the-american-association-of-neurological-surgeons-seek-to-limit-members-from-testifying-for-patients-plaintiffs-through-proceedings-resembling-a-kangaroo-court-and-or-star-chamber
#10
EDITORIAL
https://read.qxmd.com/read/30687574/ossification-of-the-cervical-ligamentum-flavum-and-case-report-with-myelopathy
#11
REVIEW
Abolfazl Rahimizadeh, Naser Asgari, Housain Soufiani, Shaghayegh Rahimizadeh
Background: Ossification of the ligamentum flavum (OLF) occurs mostly in adult males, typically in the thoracolumbar spine where it may contribute to neurological deficits. Here we reviewed 68 cases of cervical OLF resulting in progressive quadriparesis. Methods: The literature on cervical OLF was reviewed between 1962 and 2018 along with the case of an 81-year-old male with progressive quadriparesis attributed to cervical OLF. Results: Most patients with cervical OLF are Asian, with Caucasians constituting the second most frequently impacted population...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687573/unedited-microneurosurgery-of-a-mixed-germ-cell-tumor-of-the-pineal-region
#12
Joham Choque-Velasquez, Juha Hernesniemi
Background: Germ cell tumors comprise a heterogeneous group of neoplasms, classified as germinomas and nongerminomatous germ cell tumors based on clinicopathological features. The nongerminomatous group of tumors includes embryonal carcinoma, endodermal sinus tumor (yolk sac tumor), choriocarcinoma, mature and immature teratoma, and mixed germ cell tumors with more than one element. While germinomas are radiation-sensitive tumors, all other tumors have less response to radiotherapy, and it is suggested that gross total resection improves their overall survival and tumor-free survival rates...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687572/unedited-pineal-cyst-microneurosurgery
#13
Joham Choque-Velasquez, Juha Hernesniemi
Background: Pineal cysts are benign lesions of the pineal gland without a clear etiology. Currently, different approaches are described to deal with pineal region lesions and particularly with pineal cysts. Although endoscopic procedures are becoming more frequent, some technical advantages of the microsurgical resection still make it the gold standard. Our aim was to demonstrate the efficiency and safety of our microsurgical technique into deep brain territories under the principle "simple, clean, and preserving the normal anatomy...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687571/unedited-microneurosurgery-of-a-pineal-region-ependymoma
#14
Joham Choque-Velasquez, Juha Hernesniemi
Background: Ependymomas are rarely located in the pineal region. The 2016 WHO classification of tumors of the central nervous system includes five ependymal tumors, the grade I subependymoma and mixopapillary ependymoma, the grade II ependymoma, the grade II-III ependymoma RELA fusion-positive, and the grade III anaplastic ependymoma. However, this grading system has been controversial with respect to its reproducibility and clinical significance and it is estimated that further studies of the molecular characteristics of ependymoma will provide more precise and objective classification...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687570/extended-exposure-of-the-petroclival-junction-the-combined-anterior-transpetrosal-and-subtemporal-transcavernous-approach
#15
Alexander Spiessberger, Fabian Baumann, Alexandra Stauffer, Serge Marbacher, Karl F Kothbauer, Javier Fandino, Bernhard Moriggl
Background: The combined anterior transpetrosal and subtemporal/transcavernous (atsta) approach to the petroclival junction provides a wide exposure facilitating resection of large tumor lesions such as petroclival mengiomas, chondrosarcomas, or chordomas. In this article we provide technical instructions on the approach with anatomical consideration and a literature review of previous applications of this approach. Methods: The combined approach was performed in two cadaveric specimen and relevant anatomical aspects were studied...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687569/medical-and-surgical-management-of-acute-spinal-injury-during-pregnancy-a-case-series-in-a-third-world-country
#16
Ajmal Zemmar, Ahmed Al-Jradi, Vincent Ye, Ismail Al-Kebsi, Hugo Andrade-Barazarte, Emal Zemmar, Josue Avecillas-Chasin, Iype Cherian, Andrei V Krassioukov, Juha Hernesniemi
Background: There is scant literature describing the management of acute spinal injury in pregnant patients. Here, we report our experience with five cases of pregnant patients including three females who suffered acute traumatic spinal cord injuries (SCIs). Methods: This retrospective study evaluated five pregnant women presenting with traumatic spinal injuries over a 16-month period. All were assessed using the International Standards for Neurological Classification of Spinal Cord Injury Patients and the American Spine Injury Association Impairment Scale (AIS)...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687568/unedited-microneurosurgery-of-a-cavernous-malformation-of-the-pineal-region
#17
Joham Choque-Velasquez, Juha Hernesniemi
Background: Cavernous malformations are low-flow vascular malformations comprised of clusters of dilated sinusoidal channels lined with endothelial cells. The tortuous blood vessels also called vascular caverns lack muscular and elastic layers, and are filled by blood at different stages of thrombosis. Hemosiderin and gliosis often surround cavernomas. However, no neural tissue is present inside the lesion. Magnetic resonance images of cavernomas reveal a pathognomonic popcorn appearance produced by multiple small hemorrhages...
2018: Surgical Neurology International
https://read.qxmd.com/read/30687567/why-i-testify-for-some-patients-plaintiffs-and-against-some-doctors-defendants
#18
EDITORIAL
Nancy E Epstein
No abstract text is available yet for this article.
2018: Surgical Neurology International
https://read.qxmd.com/read/30687566/legal-and-evidenced-based-definitions-of-standard-of-care-implications-for-code-of-ethics-of-professional-medical-societies
#19
REVIEW
Nancy E Epstein
Background: The concept "standard of care" (SOC) is invoked in legal cases, as well as evidence-based, and professional/ethical discussions in medicine and surgery. Methods: We reviewed key legal cases and relevant evidence-based medical articles, and then explored the implications for professional societies seeking to set guidelines for their members testifying as expert witnesses. Results: First, the legal concept of SOC plays a role in malpractice cases in assessing whether a physician's behavior was "within the SOC...
2018: Surgical Neurology International
https://read.qxmd.com/read/30637172/early-ventral-surgical-treatment-without-traction-of-acute-traumatic-subaxial-cervical-spine-injuries
#20
Domenico A Gattozzi, Bailey R Yekzaman, Megan M Jack, Michael J O'Bryan, Paul M Arnold
Background: Spinal cord decompression after cervical spinal cord injury (SCI) is the standard of care. However, there is a lack of consensus regarding the optimal management of these injuries, including the role of traction and timing of surgery. Here, we report the safety/efficacy of ventral surgery without preoperative traction for intraoperative fracture reduction following acute cervical SCI. Methods: We prospectively collected a series of patients who sustained acute traumatic subaxial cervical (C3-7) spine fractures between 2004 and 2016...
2018: Surgical Neurology International
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