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https://www.readbyqxmd.com/read/28217394/technical-nuances-of-subtemporal-approach-for-the-treatment-of-basilar-tip-aneurysm
#1
Vladimir S Nakov, Toma Y Spiriev, Ivan T Todorov, Plamen Simeonov
BACKGROUND: Basilar tip aneurysms are one of the most complex vascular lesions to treat surgically because of their location, depth of the approach, and close proximity of vital neurovascular structures such as the mesencephalon, cranial nerves, perforating arteries to the thalamus. There are different surgical approaches utilized to reach basilar tip aneurysms, namely, pterional, pretemporal, orbitozygomatic, subtemporal, and anterior petrosectomy. Each of them has its advantages and limitations...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28216398/engaging-in-a-keyhole-concept-for-the-management-of-ruptured-and-unruptured-aneurysms
#2
Daniel D Cavalcanti, Roberto C de Paula, Paula L Alvarenga, Paulo José P da Mata, Paulo Niemeyer Filho
OBJECTIVE: Many new endovascular devices have been used under the guidance of the International Subarachnoid Aneurysm Trial (ISAT). Clipping still offers higher occlusion rates, and its technique continues to evolve, resulting in smaller exposures and reduced manipulation to brain tissue. We sought to evaluate the routine use of the minisphenoidal approach to manage intracranial aneurysms in a high-volume institution. METHODS: We retrospectively reviewed our database of aneurysm patients from October 2013 to May 2016...
February 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28197790/surgical-treatment-of-anterior-cranial-fossa-dural-arterio-venous-fistulas-davfs-a-two-centre-experience
#3
Pietro Meneghelli, Alberto Pasqualin, Luigi Andrea Lanterna, Claudio Bernucci, Roberto Spinelli, Gianluigi Dorelli, Piergiuseppe Zampieri
BACKGROUND: Anterior cranial fossa dural arterio-venous fistulas (DAVFs) represent 6% of all intracranial DAVFs; characteristically they show an aggressive behaviour with high risk of intracranial haemorrhage. Peculiar anatomical features, such as feeding by the ethmoidal arteries and the pattern of venous drainage (frequently with varices that mimic aneurysmal dilatation), can be evaluated in detail only by digital subtraction angiography (DSA), which represents the "gold standard" in the diagnosis of such cranial fistulas...
February 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28120059/minipterional-craniotomy-for-treatment-of-unruptured-middle-cerebral-artery-aneurysms-a-single-center-comparative-analysis-with-standard-pterional-approach-as-regard-to-safety-and-efficacy-of-aneurysm-clipping-and-the-advantages-of-reconstruction
#4
Carmelo Lucio Sturiale, Giuseppe La Rocca, Alfredo Puca, Eduardo Fernandez, Massimiliano Visocchi, Enrico Marchese, Giovanni Sabatino, Alessio Albanese
Pterional craniotomy (PT) has long been the standard approach for the treatment of middle cerebral artery (MCA) aneurysms, even though it may cause temporalis muscle atrophy, facial nerve injury, and masticatory difficulties. Minipterional craniotomy (MPT) is an alternative approach that may provide the same surgical corridor, limiting the risk of postoperative esthetic and functional complications. From January 2011 to December 2014 we consecutively performed 68 craniotomies for surgical treatment of unruptured MCA aneuryms: 37 were standard PT and 31 were MPT...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28061486/superficial-temporal-artery-sparing-mini-pterional-approach-for-cerebral-aneurysm-surgery
#5
Jun-Young Ahn, Sung-Tae Kim, Ki-Chang Yi, Won-Hee Lee, Sung Hwa Paeng, Young-Gyun Jeong
OBJECTIVE: The purposes of this study were to introduce a superficial temporal artery (STA)-sparing mini-pterional approach for the treatment of cerebral aneurysms and review the surgical results of this approach. METHODS: Between June 2010 and December 2015, we performed the STA-sparing mini-pterional approach for 117 patients with 141 unruptured intracranial aneurysms. We analyzed demographic, radiologic, and clinical variables including age, sex, craniotomy size, aneurysm location, height of STA bifurcation, and postoperative complications...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28005815/analysis-and-long-term-follow-up-of-the-surgical-treatment-of-children-with-craniopharyngioma
#6
Jing Cheng, Qiang Shao, Zhiyong Pan, Jin You
OBJECTIVE: To investigate the relationship between the operative approach, clinical pathological factors, and curative effect of the surgical treatment in the patients with craniopharyngioma; to provide a theoretical basis for determining the prognosis and reducing the recurrence rate during the long-term postoperative follow-up in children. METHODS: This was a retrospective analysis of the clinical data of 92 children who underwent surgical treatment in our department from May 2011 to January 2005...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28003172/suprasellar-epidermoid-cyst-with-atypical-imaging-findings
#7
G Lakshmi Prasad, P Pavithra
A 65-year-old female presented with progressive unilateral vision loss leading to blindness and features of central diabetes insipidus (DI) for 3 months' duration. Imaging showed a well-circumscribed, lobulated, rim-enhancing suprasellar lesion with inhomogeneous diffusion restriction. Through a pterional trans-sylvian approach, subtotal resection was performed and histopathology revealed features of an epidermoid cyst. At 5 months' follow-up, she had improvement of her diabetes insipidus but no visual improvement...
December 18, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27965074/the-anterior-temporal-artery-to-anterior-cerebral-artery-bypass-anatomical-feasibility-of-a-novel-intracranial-intracranial-revascularization-technique
#8
Ali Tayebi Meybodi, Michael T Lawton, Dylan Griswold, Pooneh Mokhtari, Andre Payman, Sonia Yousef, Halima Tabani, Arnau Benet
BACKGROUND: Complex aneurysms of the anterior cerebral artery (ACA) may require a bypass procedure as part of their surgical management. Most current bypass paradigms recommend technically demanding side-to-side anastomosis of pericallosal arteries or use of interposition grafts, which involve longer ischemia times. The purpose of this study is to assess the feasibility of an anterior temporal artery (ATA) to ACA end-to-side bypass. METHODS: Fourteen cadaveric specimens (17 ATAs) were prepared for surgical simulation...
December 10, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27881343/-surgical-management-of-proximal-anterior-cerebral-artery-a1-aneurysms
#9
Hua-Wei Wang, Zhe Xue, Yu-Dong Ma, Wen-Xin Wang, Chen Wu, Zheng-Hui Sun
OBJECTIVE: To review our experience in surgical management of proximal anterior cerebral artery (A1) aneurysms in 23 patients. METHODS: Between January, 2004 and December, 2014, 23 patients (1.6%) with A1 aneurysms diagnosed by CTA or DSA were treated surgically. The "3H" therapy was adopted for postoperative prevention of cerebrovascular spasm. All the patients were followed up and examined with cerebrovascular CTA at 6, 12, 48 and 60 months after the operation with their Glasgow Outcome Scale score recorded...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27858574/quantitative-anatomical-analysis-and-clinical-experience-with-mini-pterional-and-mini-orbitozygomatic-approaches-for-intracranial-aneurysm-surgery
#10
Kaan Yagmurlu, Sam Safavi-Abbasi, Evgenii Belykh, M Yashar S Kalani, Peter Nakaji, Albert L Rhoton, Robert F Spetzler, Mark C Preul
OBJECTIVE The aim of this investigation was to modify the mini-pterional and mini-orbitozygomatic (mini-OZ) approaches in order to reduce the amount of tissue traumatization caused and to compare the use of the 2 approaches in the removal of circle of Willis aneurysms based on the authors' clinical experience and quantitative analysis. METHODS Three formalin-fixed adult cadaveric heads injected with colored silicone were examined. Surgical freedom and angle of attack of the mini-pterional and mini-OZ approaches were measured at 9 anatomical points, and the measurements were compared...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27857877/anterior-skull-base-defects-reconstructed-using-three-layer-method-78-consecutive-cases-with-long-term-follow-up
#11
Murat Geyik, Ibrahim Erkutlu, Mehmet Alptekin, Inan Gezgin, Ayse Mizrak, Mehmet Dokur, Abdulvahap Gok
Objectives Anterior skull base defects are potentially lethal and surgical treatment must be performed as soon as possible. The purpose of this study was to evaluate whether our technique is effective or not in long-term period. Design Retrospective chart review of all patients whose data were entered into the Hospital Registry System between 1995 and 2015. Setting/Participants This study was performed at the Gaziantep University School of Medicine, Gaziantep, Turkey, in 2015 and included 78 patients who in the past 20 years underwent three-layer reconstruction surgery for anterior skull base defects at the same university...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27847568/intradural-procedural-time-to-assess-technical-difficulty-of-superciliary-keyhole-and-pterional-approaches-for-unruptured-middle-cerebral-artery-aneurysms
#12
Yeon-Ju Choi, Wonsoo Son, Ki-Su Park, Jaechan Park
OBJECTIVE: This study used the intradural procedural time to assess the overall technical difficulty involved in surgically clipping an unruptured middle cerebral artery (MCA) aneurysm via a pterional or superciliary approach. The clinical and radiological variables affecting the intradural procedural time were investigated, and the intradural procedural time compared between a superciliary keyhole approach and a pterional approach. METHODS: During a 5.5-year period, patients with a single MCA aneurysm were enrolled in this retrospective study...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27771478/comparison-of-the-surgical-outcome-of-pterional-and-frontotemporal-orbitozygomatic-approaches-and-determination-of-predictors-of-recurrence-for-sphenoid-wing-meningiomas
#13
Shyamal C Bir, Tanmoy Maiti, Subhas Konar, Anil Nanda
OBJECTIVE: The pterional/frontotemporal orbitozygomatic (FTOZ) approaches are the two widely used procedures for resection of sphenoid wing meningiomas. However, a comparison of outcomes and complications of these two approaches has not been well described yet. Here, we investigated the outcomes, complications and predictors of favorable outcomes of these two approaches. METHODS: Data of ninety consecutive cases with sphenoid wing meningiomas between 1995 and 2015 was reviewed retrospectively...
October 19, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27765146/stem-members-of-platyrrhini-are-distinct-from-catarrhines-in-at-least-one-derived-cranial-feature
#14
Ethan L Fulwood, Doug M Boyer, Richard F Kay
The pterion, on the lateral aspect of the cranium, is where the zygomatic, frontal, sphenoid, squamosal, and parietal bones approach and contact. The configuration of these bones distinguishes New and Old World anthropoids: most extant platyrrhines exhibit contact between the parietal and zygomatic bones, while all known catarrhines exhibit frontal-alisphenoid contact. However, it is thought that early stem-platyrrhines retained the apparently primitive catarrhine condition. Here we re-evaluate the condition of key fossil taxa using μCT (micro-computed tomography) imaging...
November 2016: Journal of Human Evolution
https://www.readbyqxmd.com/read/27755435/analysis-and-long-term-follow-up-of-the-surgical-treatment-of-children-with-craniopharyngioma
#15
Jing Cheng, Qiang Shao, Zhiyong Pan, Jin You
OBJECTIVE: To investigate the relationship between the operative approach, clinical pathological factors, and curative effect of the surgical treatment in the patients with craniopharyngioma; to provide a theoretical basis for determining the prognosis and reducing the recurrence rate during the long-term postoperative follow-up in children. METHODS: This was a retrospective analysis of the clinical data of 92 children who underwent surgical treatment in our department from May 2011 to January 2005...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27637166/oblique-clip-technique-via-anterior-temporal-approach-for-blood-blister-aneurysm-of-distal-portion-of-internal-carotid-artery-technical-case-report
#16
Pritam Gurung, Yasushi Motoyama, Ichiro Nakagawa, Hun Soo Park, Yasuo Hironaka, Young Su Park, Hideyuki Ohnishi, Hiroyuki Nakase
BACKGROUND: Blood blister aneurysms (BBAs) of the internal carotid artery (ICA) are very challenging vascular lesions for neurosurgeons as they are very fragile and difficult to clip. They are commonly found at the dorsal wall of the ICA. Trapping is an alternative for these lesions, accompanied by vascular reconstruction. However, they are sometimes close to the posterior communicating artery (PcoA) and anterior choroidal artery (AchoA). CASE DESCRIPTION: A 30-year-old man presented with subarachnoid hemorrhage due to rupture of a BBA in the right distal ICA...
September 13, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27593820/early-ectopic-recurrence-of-craniopharyngioma-in-the-cerebellopontine-angle
#17
Mohamad-Motaz Al Mahdi, Joachim K Krauss, Makoto Nakamura, Almuth Brandis, Bujung Hong
Ectopic recurrence of craniopharyngioma in the cerebellopontine angle after surgical resection of a suprasellar craniopharyngioma is rare. Thus, only 5 cases were reported with a delay ranging between 4 and 26 years after removal of the primary tumor. We report a unique case of ectopic recurrence of craniopharyngioma in the cerebellopontine angle, which occurred at only 4 months after surgical resection of the primary tumor. A 24-year-old man underwent resection of a suprasellar craniopharyngioma via a right pterional approach four months earlier...
March 28, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27509463/pterional-and-unifrontal-approach-for-the-microsurgical-resection-of-olfactory-groove-meningiomas-experience-with-a-series-of-61-consecutive-patients
#18
Mustafa Güdük, Ulaş Yener, Halil İbrahim Sun, Mehmet Hacihanefioğlu, Koray Özduman, Mustafa Necmettin Pamir
AIM: Olfactory groove meningiomas make 4 to 13% of meningiomas. The first line treatment of meningiomas is surgery but the extent and types of approaches advised for olfactory groove meningiomas are diverse, and include from aggressive skull base approaches to standard or minimally invasive craniotomies and endoscopic approaches. We retrospectively reviewed our series of olfactory groove meningiomas which were operated microsurgically by standard pterional or unifrontal approaches. MATERIAL AND METHODS: Our series of 61 olfactory groove meningioma patients operated through pterional or unifrontal approaches between March 1987 and September 2015 is reviewed and the clinical data, radiological findings, surgical treatment and clinical outcomes of the patients are retrospectively analyzed...
May 25, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27509458/a-modified-minipterional-subfrontal-suprapterional-approach-to-the-mca-bifurcation-with-minimal-dissection-of-the-temporal-muscle
#19
Athansios Petridis, Suzin Jung
AIM: There is a number of different surgical approaches in MCA aneurysm surgery. Evolution from the classical pterional approach towards smaller modified approaches took places over the years. In the present report we describe a new modified approach in the treatment of MCA aneurysms, which is almost exclusively subfrontal. MATERIAL AND METHODS: Technical report. On three patients with MCA bifurcation aneurysms a modified approach was used. Craniotomy was subfrontal and suprapterional with minimal dissection of the temporal muscle and no drilling of the pterion...
February 16, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27499779/pituitary-chondrosarcoma-presenting-as-a-sellar-and-suprasellar-mass-with-parasellar-extension-an-unusual-presentation
#20
Manisha Sharma, Manas Madan, Mridu Manjari, Harleen Kaur
Chondrosarcoma is a mesenchymal tumor composed of tumor cells producing cartilage. It is more common in older age and often affects the axial skeleton. We report a rare case of chondrosarcoma mimicking a sellar and suprasellar mass with parasellar extension. A 40 yr woman presented with decreasing visual acuity and headache. Magnetic resonance (MR) image revealed a cystic sellar and suprasellar mass with parasellar extension showing mild enhancing solid component. It favored the diagnosis of craniopharyngioma...
2016: Iranian Journal of Pathology
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