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https://www.readbyqxmd.com/read/28322453/radio-anatomical-analysis-of-the-pericranial-flap-money-box-approach-for-ventral-skull-base-reconstruction
#1
Alfonso Santamaría, Cristóbal Langdon, Mauricio López-Chacon, Arturo Cordero, Joaquim Enseñat, Ricardo Carrau, Manuel Bernal-Sprekelsen, Isam Alobid
OBJECTIVES/HYPOTHESIS: To evaluate the versatility of the pericranial flap (PCF) to reconstruct the ventral skull base, using the frontal sinus as a gate for its passage into the sinonasal corridor "money box approach." STUDY DESIGN: Anatomic-radiological study and case series. METHODS: Various approaches and their respective defects (cribriform, transtuberculum, clival, and craniovertebral junction) were completed in 10 injected specimens...
March 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28321382/understanding-the-course-of-vertebral-artery-at-craniovertebral-junction-in-occipital-assimilation-of-atlas-made-simplified-using-conventional-angiography
#2
Anita Jagetia, Tushit Mewda, Ishu Bishnoi, Manoj Bhutte, Hukum Singh, A K Srivastava, Daljit Singh
Introduction Preoperative assessment of vertebral artery (VA) is important to avoid its injury during surgery at craniovertebral junction (CVJ). The main concern is the course of third segment of VA (V3) while performing instrumentation at CVJ, that is, segment of VA from its course through transverse foramen of C2 to its course along the posterior arch of C1. This segment of VA includes its passage through C1 transverse foramen as well. This observational study was done to analyze the course, curvature, and termination of VA in patients with occipital assimilation of atlas at CVJ, a complex congenital anomaly, and compared with the normal course for better understanding especially by young neurosurgeons and spine surgeons...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28290397/endoscopic-technique-for-single-stage-anterior-decompression-and-anterior-fusion-by-transcervical-approach-in-atlantoaxial-dislocation
#3
Yad Ram Yadav, Shailendra Ratre, Vijay Parhihar, Amitesh Dubey, Neil M Dubey
Although posterior approaches are being used frequently in most atlantoaxial dislocations (AAD), anterior decompression is also required in some patients in whom the C1-2 dislocation is not properly reduced by the posterior approach. Transnasal and transoral approaches need an additional posterior approach to perform atlantoaxial fusion. They also have an added risk of infection. The endoscopic transcervical approach can be used for single-stage cervical decompression and stabilization that includes an odontoidectomy and anterior fusion...
March 2017: Neurology India
https://www.readbyqxmd.com/read/28250633/top-50-most-cited-articles-on-craniovertebral-junction-surgery
#4
Nima Alan, Jonathan Andrew Cohen, James Zhou, Matthew Pease, Adam S Kanter, David O Okonkwo, David Kojo Hamilton
BACKGROUND: Craniovertebral junction is a complex anatomical location posing unique challenges to the surgical management of its pathologies. We aimed to identify the fifty most-cited articles that are dedicated to this field. METHODS: A keyword search using the Thomson Reuters Web of Knowledge was conducted to identify articles relevant to the field of craniovertebral junction surgery. The articles were reviewed based on title, abstract, and methods, if necessary, and then ranked based on the total number of citations to identify the fifty most-cited articles...
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28250629/the-three-dimensional-difference-craniovertebral-junction-unveiled
#5
EDITORIAL
Abhidha Shah
No abstract text is available yet for this article.
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28217386/true-oblique-axis-fracture-associated-with-congenital-anomalies-of-the-upper-cervical-spine-case-report-of-an-unusual-fracture-pattern
#6
Luis A Robles
BACKGROUND: Acute traumatic axis fractures are common cervical spine injuries often caused by road accidents or falls. They are usually classified into three different types, namely, odontoid fractures, Hangman's fractures, and miscellaneous fractures. Congenital malformations of the craniovertebral junction (CVJ), although typically asymptomatic, may result in neural compression or instability, especially following trauma. Here, the authors present an unusual oblique axis fracture occurring in conjunction with several malformations of the upper cervical spine...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28214971/complete-occipitalization-of-the-atlas-with-bilateral-external-auditory-canal-atresia
#7
Janez Dolenšek, Erika Cvetko, Žiga Snoj, Marija Meznaric
Fusion of the atlas with the occipital bone is a rare congenital dysplasia known as occipitalization of the atlas, occipitocervical synostosis, assimilation of the atlas, or atlanto-occipital fusion. It is a component of the paraxial mesodermal maldevelopment and commonly associated with other dysplasias of the craniovertebral junction. External auditory canal atresia or external aural atresia is a rare congenital absence of the external auditory canal. It occurs as the consequence of the maldevelopment of the first pharyngeal cleft due to defects of cranial neural crest cells migration and/or differentiation...
February 18, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28192262/intra-operative-ultrasonography-for-definition-of-less-invasive-surgical-technique-in-patients-with-chiari-type-i-malformation
#8
Roger Schmidt Brock, Mario Augusto Taricco, Matheus Fernandes de Oliveira, Marcelo de Lima Oliveira, Manoel Jacobsen Teixeira, Edson Bor-Seng-Shu
INTRODUCTION: Chiari malformation Type I (CM) is the main congenital malformation disease of the craniovertebral junction. The ideal surgical treatment is still controversial. Invasive procedures inside CSF space and associated with dural repair are considered the gold standard, however a less invasive surgery with isolated bone decompression without dural opening may be possible in selected patients.. Our study evaluates the efficacy of intra-operative CSF flow measurement with ultrasonography (USG) as a determining parameter in the selection of these patients...
February 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28186471/tumoral-calcinosis-of-the-craniovertebral-junction-as-a-cause-of-dysphagia-with-treatment-by-transoral-decompression-case-report
#9
Michael A Mooney, Mark E Oppenlander, U Kumar Kakarla, Nicholas Theodore
Tumoral calcinosis is characterized by tumor-like deposition of calcium in periarticular soft tissue. Spinal involvement is rare, and perioperative diagnosis of tumoral calcinosis can be difficult because lesions may be confused with bony neoplasms. Symptoms of tumoral calcinosis result from bony involvement and/or direct compression of surrounding anatomical structures, for which treatment with surgical decompression can be highly successful. The craniovertebral junction is rarely affected by tumoral calcinosis, and patients with this condition may present with distinct symptoms...
February 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28179170/endoscopic-endonasal-approach-for-craniovertebral-junction-pathologies-myth-and-truth-in-clinical-series-and-personal-experience
#10
REVIEW
Massimiliano Visocchi, Francesco Signorelli, Chenlong Liao, Mario Rigante, Gaetano Paludetti, Giuseppe Barbagallo, Alessandro Olivi
No abstract text is available yet for this article.
February 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28175453/171%C3%A2-resurgery-in-craniovertebral-junction-abnormalities
#11
Pavaman Pandit Sindgikar, Kuntal Kanti Das, Awadesh K Jaiswal, Rabi Narayan Sahu, Arun K Srivastava, Anant Mehrotra, Jayesh Chunilal Sardhara, Kamlesh Singh Bhaisora, Sanjay Behari
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28149076/knock-and-drill-technique-a-simple-tips-for-the-instrumentation-in-complex-craniovertebral-junction-anomalies-without-using-fluoroscopy
#12
Arun Srivastava, Jayesh Sardhara, Sanjay Behari, Sindgikar Pavaman, Jeena Joseph, Kuntal Das, Anant Mehrotra, Awadhesh K Jaiswal, Kamlesh Bhaishora
CONTEXT: Existence of complex variable bony and vertebral artery (VA) anomalies at craniovertebral junction (CVJ) in subset of complex CVJ anomalies demands individualized instrumentation policy and placing screws in each bone requires strategic preoperative planning and intraoperative skills. AIM: To evaluate the clinical accuracy of knock and drill (K and D) technique for the screw placement in complex CVJ anomalies. SETTINGS AND DESIGN: Prospective study and operative technical note...
January 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28120073/complications-in-craniovertebral-junction-instrumentation-hardware-removal-can-be-associated-with-long-lasting-stability-personal-experience
#13
Massimiliano Visocchi, Pier Paolo Mattogno, Francesco Signorelli, Jun Zhong, Gerardo Iacopino, Giuseppe Barbagallo
BACKGROUND: The causes of craniovertebral junction (CVJ) instabilities include trauma, rheumatological diseases, tumors, infections, congenital malformations, and degenerative disease processes; these complex pathologies often require CVJ instrumentation. Hardware complications were analyzed in a personal series of 48 treated patients. In light of the analysis of very unusual radiological and clinical findings, the authors tried to better investigate the related mechanisms and to reach possible useful conclusions...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28120062/craniovertebral-junction-transanasal-and-transoral-approaches-reconstruct-the-surgical-pathways-with-soft-or-hard-tissue-endocopic-lines-this-is-the-question
#14
Massimiliano Visocchi, Giuseppe Barbagallo, Vincenzo Lorenzo Pascali, Pierpaolo Mattogno, Francesco Signorelli, Gerardo Iacopino, Antonino Germano', Giuseppe La Rocca
A variety of pathological conditions may affect the clivus and the craniovertebral junction (CVJ). These include congenital disorders, chronic inflammation, neoplasms, infections, and posttraumatic conditions that could all result in CVJ compression and myelopathy Endoscopic-assisted procedures have been further developed for CVJ decompression and they have now become conventional approaches. The aims of the present study were:(1) to compare "radiological" and "surgical" nasoaxial lines (NAxLs); (2) to introduce an analogous radiological line as a predictor of the superior extension of the transoral approach (palatine inferior dental arch line (PIA); (3) to compare the "radiological" nasopalatine line (NPL) with the "surgical" NPL (SNPL) and surgical PIA (SPIA); (4) to compare "our" SNPL with the NAxL; and (5) to find possible radiological reference points to predict, preoperatively, the maximal extent of superior dissection for the transoral approach (SPIA)...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28120061/direct-and-oblique-approaches-to-the-craniovertebral-junction-nuances-of-microsurgical-and-endoscope-assisted-techniques-along-with-a-review-of-the-literature
#15
Massimiliano Visocchi, Antonino Germano', Giuseppe Umana, Armando Richiello, Giuseppe Raudino, A M Eldella, Gerardo Iacopino, Giuseppe Barbagallo
PURPOSE: The aim of this review is to provide an update of the technical nuances of microsurgical and endoscopic-assisted approaches to the craniovertebral junction (transnasal, transoral, and transcervical), and to report on the available clinical results in order to identify the best strategy. METHODS: A nonsystematic update of the reviews and reporting on the anatomical and clinical results of endoscopic-assisted and microsurgical approaches to the craniovertebral junction (CVJ) was performed...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28094426/the-role-of-cine-flow-magnetic-resonance-imaging-in-patients-with-chiari-0-malformation
#16
Kerem Mazhar Ozsoy, Kadir Oktay, Nuri Eralp Cetinalp, Yurdal Gezercan, Tahsin Erman
AIM: The aim of this study was to define the role of phase-contrast cine magnetic resonance imaging in deciding the therapeutic strategy and underlying pathophysiology resulting in syrinx formation in patients with Chiari type 0 malformation. MATERIAL AND METHODS: Seven patients admitted to our clinic with diagnosis of Chiari 0 malformations during the period January 2005 to July 2016 were enrolled in the study. All patients underwent a detailed preoperative neurological examination...
December 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28052941/congenital-anomaly-of-the-posterior-arch-of-the-atlas-a-rare-risk-factor-for-posterior-circulation-stroke
#17
Zhi-Yuan Ouyang, Min-Jian Qiu, Zhe Zhao, Xiao-Bing Wu, Lu-Sha Tong
We report an extremely rare case involving a posterior arch anomaly of the atlas, causing a vertebral artery dissection (VAD) induced posterior circulation stroke. A 16-year-old girl was admitted to hospital because of new onset dizziness. VAD related multiple infarction in the posterior circulation was revealed. The congenital posterior arch anomaly of the atlas, along with instability of the atlantoaxial joint, were discovered accidentally during follow-up. This is the first case of ischemic stroke related to atlantal posterior arch aplasia and atlantoaxial instability...
January 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28050351/morphometric-analysis-of-the-occipital-condyle-and-its-surgical-importance
#18
Sandeep Saluja, Sushant Swaroop Das, Neelam Vasudeva
INTRODUCTION: The Occipital Condyle (OC) is an integral component of craniovertebral region which is predisposed to a wide array of traumatic, degenerative and neoplastic diseases. Frequent surgical interventions of OC are required for successful management of these conditions. Hence a meticulous anatomical knowledge of the OC is vital but variability in morphometric dimensions exist amongst different races and hinder the standardization of measurements. AIM: The aim of this study was to present a morphometric reference database for OC of the Indian population and enable comparisons with other populations...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27956253/surgical-treatment-of-skull-base-tumors-extending-to-craniovertebral-junction
#19
Alexey Nikolaevich Shkarubo, Dmitry Nicolaevich Andreev, Nikolai Aleksandrovich Konovalov, Petr Vladimirovich Zelenkov, Andrew Jurievich Lubnin, Ilia Valerievich Chernov, Konstantin Vladimirovich Koval
OBJECTIVE: To conduct a comparative analysis of 2 groups of patients with skull base chordomas extending onto the craniovertebral junction, who underwent surgical treatment using extracranial approaches with and without craniocervical fusion. METHODS: The study group included 29 patients with skull base chordomas, extending to the craniovertebral junction, who were operated on from 2000 to 2015. The patients underwent the following surgical treatment: posterior craniocervical fusion followed by tumor removal using transoral and combined transoral and transnasal approaches...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27942122/the-effect-of-the-shoulder-stability-exercise-using-resistant-vibration-stimulus-on-forward-head-posture-and-muscle-activity
#20
Eun-Kyung Kim, Jong Ho Kang, Hyo Taek Lee
[Purpose] The purpose of this study was to analyze shoulder stabilization using resistant vibration stimulus during bodyblade exercise followed by forward head posture improvement. [Subjects and Methods] Craniovertebral angle and cranial rotation angle were measured with 24 patients who were diagnosed with forward head posture. The experimental group conducted bodyblade exercise for 6 weeks and all patients received conventional physical therapy. The craniovertebral angle and cranial rotation angle were measured using a diagnostic imaging device to measure the change in forward head posture...
November 2016: Journal of Physical Therapy Science
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