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https://www.readbyqxmd.com/read/27920937/conversion-technique-from-neuroendoscopy-to-microsurgery-in-ventricular-tumors-technical-note
#1
Pedro Henrique da C F Pinto, Flavio Nigri, Gabriel N Gobbi, Egas M Caparelli-Daquer
BACKGROUND: Ventricular tumors represent a major neurosurgical challenge, making endoscopic approach an invaluable tool as it gained importance due to technological advances. Nevertheless, the method is not exempt of risk and limitations, sometimes requiring an open surgery. Thus, initial measurements must be adopted in order to simplify an eventual need for conversion to open craniotomy. METHODS: Here, we describe a series of 6 patients with ventricular tumors approached by neuroendoscopy where the conversion to microsurgery turned out to be necessary...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27915104/petroclival-meningiomas-remaining-controversies-in-light-of-minimally-invasive-approaches
#2
REVIEW
Sâmia Yasin Wayhs, Guilherme Alves Lepski, Leonardo Frighetto, Gustavo Rassier Isolan
Surgical resection of petroclival meningiomas remains challenging due to their deep location and relationship to vital neurovascular structures. Although the natural history of these tumors involves a slow course, the incidence of cranial nerve deficits and the extent of tumor resection vary widely in the literature. Some reviews on this topic have been conducted, but data remain fragmentary and based on retrospective case series, which hinders attempts at meta-analysis. Within this context, research into the use of minimally invasive approaches, including in neuroendoscopy, continues to emerge...
November 29, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27915065/assessment-of-white-matter-transgression-during-neuroendoscopic-procedures-using-dti-fiber-tracking
#3
Sergio García, Jordina Rincon-Torroella, Arnau Benet, Laura Oleaga, José Juan González Sánchez
BACKGROUND: Presurgical planning allows anticipating intraoperative difficulties, increasing efficiency, and reducing risks. Neuroendoscopy is a minimally invasive technique whose related complications have been focused on cortical function and surface vessels injury. However, white matter disruption has been insufficiently acknowledged. OBJECTIVE: To present a new surgical planning method based on diffusion tensor image that allows quantifying subcortical transgression and optimizing neuroendoscopic trajectories...
November 30, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890756/cavernous-angioma-of-the-cerebral-aqueduct
#4
Alberto Feletti, Stavros Dimitriadis, Giacomo Pavesi
BACKGROUND: Among the rare intraventricular cavernomas (IVCs), purely intraaqueductal cavernomas are exceptional. CASE DESCRIPTION: We report a unique case of a 62-year-old patient who presented to our clinics complaining of progressive headache, memory loss, gait instability, and urinary incontinence. MR imaging showed the presence of a mass lesion located in the lumen of the cerebral aqueduct, associated with triventricular hydrocephalus. CONCLUSIONS: We discuss the rationale that led us to treat hydrocephalus with neuroendoscopy, which offered the possibility to directly inspect the intraaqueductal lesion, make the diagnosis of cavernoma, and treat symptoms due to hydrocephalus without increasing the risk of bleeding...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27867929/comparison-of-3-and-7-tesla-magnetic-resonance-imaging-of-obstructive-hydrocephalus-caused-by-tectal-glioma
#5
Hyeong Cheol Moon, Hyeon-Man Baek, Young Seok Park
Obstructive hydrocephalus caused by tectal glioma, which relived by neuroendoscopy, have been described using 3.0 Tesla magnetic resonance imaging (3T MRI) so far, we present the results obtained from 3T and 7T MRI in this patient. A 21-year-old woman presented at our hospital with gait disturbance, hormonal insufficiency, and urinary incontinence that began prior to 6 years of age. 3.0T MRI revealed a non-enhancing tectal mass along with obstructive hydrocephalus. The mass measured approximately 1.1×1.0×1...
October 2016: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/27811456/challenges-and-outcome-of-cranial-neuroendoscopic-surgery-in-a-resource-constrained-developing-african-country
#6
E O Uche, E Okorie, J Emejulu, O Ajuzieogu, N J Uche
BACKGROUND: Cranial neuroendoscopy has been safely applied to the surgical treatment of different lesions of the brain in our center since its introduction in September 2009. This article summarizes our experience with neuroendoscopy, highlighting the salient challenges and outcome. METHODS: A single institution, retrospective analysis of prospectively acquired cases over a 2.5-year period (September 2010 to February 2013). Challenges experienced during the course of patient care as well as complications and outcomes were recorded and analyzed using SPSS (SPSS Inc...
November 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27695549/learning-neuroendoscopy-with-an-exoscope-system-video-telescopic-operating-monitor-early-clinical-results
#7
Vijay Parihar, Y R Yadav, Yatin Kher, Shailendra Ratre, Ashish Sethi, Dhananjaya Sharma
CONTEXT: Steep learning curve is found initially in pure endoscopic procedures. Video telescopic operating monitor (VITOM) is an advance in rigid-lens telescope systems provides an alternative method for learning basics of neuroendoscopy with the help of the familiar principle of microneurosurgery. AIMS: The aim was to evaluate the clinical utility of VITOM as a learning tool for neuroendoscopy. MATERIALS AND METHODS: Video telescopic operating monitor was used 39 cranial and spinal procedures and its utility as a tool for minimally invasive neurosurgery and neuroendoscopy for initial learning curve was studied...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27650561/-surgical-approaches-to-pineal-region-review-article
#8
M Májovský, D Netuka, V Beneš
INTRODUCTION: The pineal region is a deep-seated part of the brain surrounded by highly eloquent structures. Differential diagnosis of space-occupying lesions in this region encompasses pineal gland cysts, pineal gland tumours, metastases, germ cell tumours, meningiomas, gliomas, hemangioblastomas and neuroectodermal tumours. A treatment strategy is based mainly on tumour anatomical characteristics and histological type. Except germinatous tumours, a surgical excision is the treatment of choice...
2016: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/27605476/-a-case-of-organizing-chronic-subdural-hematoma-treated-with-endoscopic-burr-hole-surgery-using-a-curettage-and-suction-technique
#9
Koichi Miki, Shinya Oshiro, Takaomi Koga, Tooru Inoue
A 70-year-old man presented to our hospital because of difficulty with discrete movement of the right upper limb and dysarthria. Computed tomography(CT)of the head revealed a chronic subdural hematoma(CSDH)on the left side. The patient underwent single burr-hole irrigation and drainage on the same day. In addition to the burr hole, a cross-shaped dural incision was made which revealed a thick outer membrane and solidified hematoma. We removed as much of the clotted hematoma as possible using a curved suction tube under neuroendoscopy...
September 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27337241/transcortical-removal-of-third-ventricular-colloid-cysts-a-comparison-of-conventional-guided-microsurgical-and-endoscopic-approaches-and-a-review-of-the-literature
#10
Pulat Akin Sabanci, Yavuz Aras, Achmet Ali, Tuğrul Cem Ünal, Duygu Dölen, Serra Sencer, Nail Izgi, Faruk Ünal, Orhan Barlas
AIM: To compare the clinical results of different transcortical approaches for the removal of third ventricular colloid cysts. MATERIAL AND METHODS: Records of 41 colloid cyst patients who were underwent transcortical conventional microsurgical, microsurgical with the aid of stereotactically guided cylindrical retractor (minitubular) and endoscopic removal between 1999 and 2015 were retrospectively analyzed. The clinical results of these three different transcortical surgical approaches were compared and a literature review of published series was conducted...
March 4, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27336749/is-hydrocephalus-after-spinal-cord-injury-really-caused-by-the-injured-spinal-cord-two-case-reports-and-a-literature-review
#11
J Chrastina, Z Novák, V Feitová
UNLABELLED: Posttraumatic hydrocephalus caused by cerebrospinal fluid circulation disturbances frequently complicates the clinical course and treatment after craniocerebral injury. Hydrocephalus complicating spinal cord injury is only exceptionally reported. The paper presents two cases of complete cervical spinal cord injury with subsequent development of hydrocephalus. The analysis of both cases and literature data confirmed the dominant role of non-spinal factors in the development of hydrocephalus after spinal cord injury...
2016: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/27270145/-a-case-of-an-adrenocorticotropic-hormone-producing-pituitary-adenoma-removed-via-electromagnetic-guided-neuroendoscopy
#12
Yusuke Tomita, Kazuhiko Kurozumi, Tomohiro Terasaka, Kenichi Inagaki, Fumio Otsuka, Isao Date
The use of navigation systems is safe and reliable for neurological surgery. We performed endoscopic transsphenoidal surgery to totally resect an adrenocorticotropic hormone (ACTH)-producing pituitary adenoma associated with oculomotor nerve palsy. A 70-year-old woman developed right ptosis 4 months before admission. She developed anisocoria 2 months later and was referred to the department of neurology from clinic. Brain magnetic resonance imaging(MRI)showed an intrasellar tumor that partially invaded the right cavernous sinus, and she was then referred to our department...
June 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27270143/-surgical-outcome-of-acute-and-subacute-subdural-hematoma-with-endoscopic-surgery
#13
Koichi Miki, Tsutomu Yoshioka, Yoko Hirata, Toshiyuki Enomoto, Tomohiro Takagi, Hitoshi Tsugu, Tooru Inoue
Acute subdural hematoma (ASDH) and subacute subdural hematoma(SASDH)evacuations are commonly performed through a large craniotomy or with external decompression surgery to avoid secondary brain injury. In the field of head trauma, minimally invasive surgeries performed with neuroendoscopy were recently reported. We report 12 patients with ASDH( n=9) and SASDH (n=3)w ho underwent endoscopic hematoma evacuation via a small craniotomy between November 2013 and May 2015. All patients were over 65 years of age(mean age, 78...
June 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27236905/endoscopic-transventricular-exploration-with-biopsy-of-the-basal-cisterns-and-the-role-of-endoscopic-third-ventriculostomy-in-patients-suffering-with-basal-cistern-meningitis-and-consecutive-hydrocephalus
#14
Jaime Torres-Corzo, Juan Manuel Vinas-Rios, Jesus Antonio Viana Rojas, Dominic Cervantes, Martin Sánchez-Aguilar, Juan Carlos Chalita-Williams, Roberto Rodriguez-Dellavecchia, Jose Juan Sanchez-Rodriguez
OBJECTIVES: The purpose of this work is to elucidate the efficacy of endoscopic basal cisterns exploration, biopsy, and third ventriculostomy (ETV) in patients with basal cistern meningitis and arachnoiditis. MATERIALS AND METHODS: The cases and videos of all patients in whom flexible neuroendoscopy was performed during the period of January 2005-June 2012 at the University Hospital 'Dr. Ignacio Morones Prieto' in San Luis Potosí, México. A group of 47 patients with radiological diagnosis of basal meningitis, arachnoiditis, and negative cerebrospinal fluid analysis were included...
July 2016: Neurological Research
https://www.readbyqxmd.com/read/27216923/three-dimensional-versus-two-dimensional-neuroendoscopy-a-preclinical-laboratory-study
#15
Amol Raheja, Ricky Kalra, William T Couldwell
BACKGROUND: Use of traditional two-dimensional (2-D) neuroendoscopy is limited by lack of depth perception. The advent of next-generation three-dimensional (3-D) endoscopes potentially compensates for this limitation. The aim of this study was to objectively compare the 2 modalities in a controlled laboratory environment. METHODS: Using 2-D and 3-D endoscopes, 8 participants performed simple and complex motor tasks. Participants were divided into 3 groups: novice (n = 3), beginner (n = 4), and expert (n = 1), based on prior neuroendoscopy training...
August 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27188640/neuroendoscopy-in-kuwait-evolution-current-status-and-future-directions
#16
REVIEW
Waleed A Azab, Ahmed Y Abdelrahman, Tarik M Alsheikh, Mostafa M Najibullah
An overview of the development of neuroendoscopy at the neurosurgery department, Ibn Sina Hospital in Kuwait, is presented with an outline of difficulties and obstacles faced by the field until it reached its current status. The factors and solutions that helped us overcome these problems are also elaborated on. After a modest beginning few years ago, endoscopic skull base procedures, intraventricular neuroendoscopy, and spinal endoscopy are regularly performed in the department. Although neuroendoscopy is not per se a neurosurgical subspecialty, it is an area that requires special training...
August 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27109629/navigation-guided-endoscopic-intraventricular-injectable-tumor-model-cadaveric-tumor-resection-model-for-neurosurgical-training
#17
Ahmed M Ashour, Samer K Elbabaa, Anthony J Caputy, Cristian Gragnaniello
BACKGROUND: Intraventricular tumors present difficult challenges to the neurosurgeon. Neurosurgeons have begun to explore the possibilities of using the endoscope in the radical resection of solid intraventricular lesions. There is a steep learning curve when dealing with such lesions with an endoscope. OBJECTIVE: The aim of this study was to create a laboratory training model for pathological intraventricular neuroendoscopic surgery guided by the navigation system...
April 21, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26981295/neuroendoscopic-removal-of-acute-subdural-hematoma-with-contusion-advantages-for-elderly-patients
#18
Ryota Tamura, Yoshiaki Kuroshima, Yoshiki Nakamura
Background. Large craniotomy for acute subdural hematoma is sometimes too invasive. We report good outcomes for two cases of neuroendoscopic evacuation of hematoma and contusion by 1 burr hole surgery. Case Presentation. Both patients arrived by ambulance at our hospital with disturbed consciousness after falling. Case 1 was an 81-year-old man who took antiplatelet drugs for brain infarction. Case 2 was a 73-year-old alcoholic woman. CT scanning showed acute subdural hematoma and frontal contusion in both cases...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/26968147/transfrontal-transaqueductal-transtrigonal-and-suboccipital-infratentorial-supracerebellar-endoscopic-fenestration-of-posterior-fossa-arachnoid-cysts-three-surgical-cases
#19
Zamzuri Idris, Yew Chin Tan, Regunath Kandasamy, Rahman Izaini Ghani, Jafri Malin Abdullah
Symptomatic intracranial arachnoid cysts are commonly treated using neuroendoscopy. Cysts located within the posterior fossa may present a greater surgical challenge to the neurosurgeon due to the numerous vital neurovascular structures located within this confined space. Adding neuronavigation during endoscopy helps a neurosurgeon to visualize and utilize both anterior and posterior corridors safely to access and manage these lesions. We present three symptomatic posterior fossa arachnoid cysts that were treated successfully using minimally invasive neuronavigation-guided endoscopic neurosurgery utilizing the anterior transfrontal transaqueductal, anterior transfrontal transtrigonal, and posterior suboccipital infratentorial supracerebellar approaches...
March 11, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/26926052/optimizing-ventriculoperitoneal-shunt-placement-in-the-treatment-of-idiopathic-intracranial-hypertension-an-analysis-of-neuroendoscopy-frameless-stereotaxy-and-intraoperative-ct
#20
Benjamin Yim, M Reid Gooch, John C Dalfino, Matthew A Adamo, Tyler J Kenning
OBJECTIVE: Cerebrospinal fluid shunting can effectively lower intracranial pressure and improve the symptoms of idiopathic intracranial hypertension (IIH). Placement of ventriculoperitoneal (VP) shunts in this patient population can often be difficult due to the small size of the ventricular system. Intraoperative adjuvant techniques can be used to improve the accuracy and safety of VP shunts for these patients. The purpose of this study was to analyze the efficacy of some of these techniques, including the use of intraoperative CT (iCT) and frameless stereotaxy, in optimizing postoperative ventricular catheter placement...
March 2016: Neurosurgical Focus
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