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Basilar Invagination

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https://www.readbyqxmd.com/read/29129522/increasing-the-safety-of-surgical-treatment-for-complex-cranio-vertebral-anomalies-using-customized-3d-printed-models
#1
Kataria Rashim, K Verma Pawan, V D Sinha
Surgery for the Cranio-vertebral (CV) junction anomalies using top loading subocciput (C0)/C1-C2 screws is difficult and requires high level of skill and expertise. This is because of complex abnormal anatomy in that region and other issues including the instrumentation. Thorough knowledge of the 3D anatomy of the Craniovertebral junction of the patient is essential for favourable outcome. The customised 3D printed model of CV junction region of the patient can be used for studying the anatomy and relationship of vertebral artery to the C1-C2 joint before the actual surgery...
November 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29103128/extreme-proximal-junctional-kyphosis-a-complication-of-delayed-lambdoid-suture-closure-in-hajdu-cheney-syndrome-a-case-report-and-literature-review
#2
Colin Y L Woon, Steven M Mardjetko
PURPOSE: To describe the manifestations, surgical treatment, and potential complications of Hajdu-Cheney syndrome (HCS), and the management of these complications. METHODS: The clinical presentation, management and outcome of HCS with severe osteoporosis and open skull sutures is presented, together with a literature review. RESULTS: A 20-year-old female with HCS underwent posterior occipitocervical fusion for symptoms of progressive basilar invagination...
November 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29061683/teaching-neuroimages-hypoglossal-nerve-palsy-due-to-basilar-invagination
#3
Joshua Bakhsheshian, Khodayar Goshtasbi, Jay Acharya, Ian A Buchanan, Vance Fredrickson, Patrick Reid
No abstract text is available yet for this article.
October 24, 2017: Neurology
https://www.readbyqxmd.com/read/29057717/craniovertebral-fixation-%C3%A2-a-new-technique-of-occipital-cervical-fixation
#4
Sushil Patkar
BACKGROUND: Craniovertebral instability following transoral odontoid excision is usually treated by posterior occipital-cervical fixation using occipital plate and cervical lateral mass fixation with screw rod construct. A patient previously operated for basilar invagination had postoperative infection of both the transoral wound and the posterior implant site which needed removal of the posterior implant earlier. CLINICAL PRESENTATION: The patient presented with severe neck pain, myelopathy, and chronic discharging sinus in the posterior lower aspect the previous neck surgery wound...
October 23, 2017: Neurological Research
https://www.readbyqxmd.com/read/29021666/short-neck-short-head-short-spine-and-short-body-height-hallmarks-of-basilar-invagination
#5
EDITORIAL
Atul Goel
No abstract text is available yet for this article.
July 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28917092/progressive-halo-vest-traction-preceding-posterior-occipitocervical-instrumented-fusion-for-irreducible-atlantoaxial-dislocation-and-basilar-invagination
#6
Peng Li, Deming Bao, Huijuan Cheng, Fanshuai Meng, Junwei Li
OBJECTIVES: Surgical treatment of irreducible atlantoaxial dislocation (IAAD) with basilar invagination (BI) is associated with high rates of severe complications, including mortality. This retrospective study investigated the safety and efficacy of progressive halo-vest traction for IAAD with BI prior to posterior occipitocervical instrumented fusion. PATIENTS AND METHODS: Between 2009 and 2013, 39 patients with IAAD with BI underwent preoperative reduction by progressive halo-vest traction for 20...
November 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28879900/simultaneous-odontoid-excision-with-bilateral-posterior-c1-2-distraction-and-stabilization-utilizing-bilateral-posterolateral-corridors-and-a-single-posterior-midline-incision
#7
Arun K Srivastava, Sanjay Behari, Jayesh Sardhara, Kuntal Kanti Das
A simultaneous odontoid decompression and bilateral posterior atlanto-axial facetal distraction, C1-2 joint spacer/bone graft placement and stabilization may be performed utilizing the 'posterior-only' approach. This procedure may be performed utilizing a single posterior midline incision, a bilateral posterior approach to the C1-2 facet joints and a bilateral posterolateral approach to the odontoid process and C2 body. It may be carried out in situations where a C1-2 non-reduction/partial reduction using a 'posterior alone' procedure is anticipated due to the complex bony/soft tissue configuration anterior at the thecal sac existing at the cervicomedullary junction...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28758179/clinical-outcomes-of-posterior-c1-and-c2-screw-rod-fixation-for-atlantoaxial-instability
#8
Hasan Serdar Işik, Evren Sandal, Sedat Çağli
AIM: In this study, we aimed at sharing our experiences and contributing to the literature by making a retrospective analysis of the patients we operated with screw-rod system for atlantoaxial instability in our clinic. MATERIAL AND METHODS: Archive files of adult patients, who were operated for posterior C1-C2 stabilization with screw and rod in our clinic between January 2006 and January 2016, were analyzed. 28 patients, who had pre and post-operative images, follow-up forms and who were followed for at least one year, were analyzed...
June 14, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28746426/cranio-vertebral-transition-assessment-by-magnetic-resonance-imaging-in-a-sample-of-a-northeast-brazilian-population
#9
Heitor Cabral Frade, Caio César Nuto Leite França, José Jailson Costa do Nascimento, Maurus Marques de Almeida Holanda, Eulâmpio José da Silva, Severino Aires Araújo
Methods: Cross-sectional analysis of craniometric parameters from individuals submitted to magnetic resonance at an outpatient imaging center between 2011 and 2012. Results: Of 181 analyzed cases, the Welcker basal angle averaged 128.96º (SD 6.51), median distance between apex of the odontoid and Chamberlain's line was 2.27 mm (IQR -1.23-4.47) and the median clivus-canal angle was 150.5º (IQR 143.2-157.3). The Welcker basal angle was inversely correlated to the clivus-canal angle, and correlated to the distance between the apex of the odontoid and Chamberlain's line...
July 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28690960/complete-atlantooccipital-assimilation-with-basilar-invagination-and-atlantoaxial-subluxation-treated-non-surgically-a-case-report
#10
Ali J Electricwala, Amita Harsule, Vishwajeet Chavan, Jaffer T Electricwala
Atlantooccipital assimilation is a partial or complete congenital fusion between the atlas and the base of the occiput. Most patients with atlas assimilation are asymptomatic, but some may present with neurological problems such as myelopathy. We present the case of a 37-year-old woman who presented with neck and occipital pain, episodic neck stiffness, and dizziness. Medical imaging revealed complete atlantooccipital assimilation associated with basilar invagination, atlantoaxial subluxation, and predisposing anterior spinal cord compression...
June 9, 2017: Curēus
https://www.readbyqxmd.com/read/28621629/endoscopic-endonasal-odontoid-resection-with-real-time-intraoperative-image-guided-computed-tomography-report-of-4-cases
#11
Harminder Singh, Sarang Rote, Ajit Jada, Evan D Bander, Gustavo J Almodovar-Mercado, Walid I Essayed, Roger Härtl, Vijay K Anand, Theodore H Schwartz, Jeffrey P Greenfield
The authors present 4 cases in which they used intraoperative CT (iCT) scanning to provide real-time image guidance during endonasal odontoid resection. While intraoperative CT has previously been used as a confirmatory test after resection, to the authors' knowledge this is the first time it has been used to provide real-time image guidance during endonasal odontoid resection. The operating room setup, as well as the advantages and pitfalls of this approach, are discussed. A mobile intraoperative CT scanner was used in conjunction with real-time craniospinal neuronavigation in 4 patients who underwent endoscopic endonasal odontoidectomy for basilar invagination...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28614531/alternative-option-for-osteogenesis-imperfecta-and-trigeminal-neuralgia
#12
Leonardo Gilmone Ruschel, Guilherme José Agnoletto, Sonival Cândido Hunhevicz, Daniel Benzecry de Almeida, Walter Oleschko Arruda
Osteogenesis imperfecta (OI) is a bone disorder that can lead to skull base deformities such as basilar invagination, which can cause compression of cranial nerves, including the trigeminal nerve. Trigeminal neuralgia in such cases remains a challenge, given distorted anatomy and deformities. We present an alternative option, consisting in cannulation of the foramen ovale and classical percutaneous treatment. Percutaneous balloon microcompression was performed in a 28 year-old woman with OI and severe trigeminal neuralgia using computed tomography (CT) and radiographic-guided cannulation of the Gasserian ganglion without neuronavigation or stereotactic devices...
April 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28577039/how-i-do-it-cranial-setup-for-cranial-settling
#13
Eugenio Cárdenas Ruiz-Valdepeñas, A Kaen, G Perez Prat
BACKGROUND: Expanded endonasal endoscopic techniques allow us to treat several pathologies related to the odontoid process and craniocervical junction. Cases such as giant basilar invagination represent a surgical challenge. METHODS: The authors provide technical nuances and describe how to complete an endoscopic endonasal odontoidectomy and release the craniocervical junction with the aim of restoring a correct sagittal balance in cases with giant basilar invagination...
October 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28498058/endoscopic-endonasal-resection-of-the-odontoid-process-clinical-outcomes-in-34-adults
#14
Nathan T Zwagerman, Matthew J Tormenti, Zachary J Tempel, Eric W Wang, Carl H Snyderman, Juan C Fernandez-Miranda, Paul A Gardner
OBJECTIVE Treatment of odontoid disease from a ventral corridor has consisted of a transoral approach. More recently, the endoscopic endonasal approach (EEA) has been used to access odontoid pathology. METHODS A retrospective review was conducted of patients who underwent an EEA for odontoid pathology from 2004 to 2013. During our analysis, the mean follow-up duration was 42.6 months (range 1-80 months). Patient outcomes, complications, and postoperative swallowing function were assessed either by clinic visit or phone contact...
May 12, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28472514/evaluating-atlantoaxial-dislocation-based-on-cartesian-coordinates-proposing-a-new-definition-and-its-impact-on-assessment-of-congenital-torticollis
#15
Jayesh Sardhara, Sanjay Behari, Pavaman Sindgikar, Arun Kumar Srivastava, Anant Mehrotra, Kuntal Kanti Das, Kamlesh Singh Bhaisora, Rabi N Sahu, Awadhesh K Jaiswal
BACKGROUND: Conventional 2-dimensional (2-D) definition of atlantoaxial dislocation (AAD) is inadequate for coexisting 3-D displacements. OBJECTIVE: To prospectively classify AAD and its related abnormalities along 3 Cartesian coordinates and assess their association with torticollis. METHODS: One hundred and fifty-four patients with congenital AAD were prospectively classified according to their C1-2 displacement along 3 Cartesian coordinates utilizing 3-D multiplanar CT...
May 3, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28466256/the-effect-of-posterior-fossa-decompression-in-adult-chiari-malformation-and-basilar-invagination-a-systematic-review-and-meta-analysis
#16
Ulysses de Oliveira Sousa, Matheus Fernandes de Oliveira, Lindolfo Carlos Heringer, Alécio Cristino Evangelista Santos Barcelos, Ricardo Vieira Botelho
Chiari malformation (CM) and basilar invagination (BI) are mesodermal malformations with disproportion between the content and volume of posterior fossa capacity and overcrowding of neural structures at the level of foramen magnum. Several alternatives for posterior approaches are available, including extradural (ED), extra-arachnoidal, and intradural (ID) approaches. The objectives are to evaluate the effect of several surgical techniques for posterior fossa decompression (PFD) in the outcomes of patients with CCJM and to evaluate complications in the techniques reported...
May 2, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28362924/in-reply-distraction-compression-extension-and-reduction-combined-with-joint-remodeling-and-extra-articular-distraction-description-of-2-new-modifications-for-its-application-in-basilar-invagination-and-atlantoaxial-dislocation-prospective-study-in-79-cases
#17
https://www.readbyqxmd.com/read/28362916/letter-distraction-compression-extension-and-reduction-combined-with-joint-remodeling-and-extra-articular-distraction-description-of-2-new-modifications-for-its-application-in-basilar-invagination-and-atlantoaxial-dislocation-prospective-study-in-79-cases
#18
https://www.readbyqxmd.com/read/28361020/role-of-dynamic-computed-tomography-scans-in-patients-with-congenital-craniovertebral-junction-malformations
#19
Otávio Turolo da Silva, Enrico Ghizoni, Helder Tedeschi, Andrei Fernandes Joaquim
AIM: To evaluate the role of dynamic computed tomography (CT) scan imaging in diagnosing craniovertebral junction (CVJ) instability in patients with congenital CVJ malformations. METHODS: Patients with symptomatic congenital CVJ malformations who underwent posterior fossa decompression and had a preoperative dynamic CT scan in flexion and extended position were included in this study. Measurements of the following craniometrical parameters were taken in flexed and extended neck position: Atlanto-dental interval (ADI), distance of the odontoid tip to the Chamberlain's line, and the clivus-canal angle (CCA)...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28279770/transoral-decompression-and-anterior-stabilization-of-atlantoaxial-joint-in-patients-with-basilar-impression-and-chiari-malformation-type-i-a-technical-report-of-2-clinical-cases
#20
Alexey N Shkarubo, Alexander A Kuleshov, Ilia V Chernov, Marchel S Vetrile
OBJECTIVE: Presentation of clinical cases involving successful anterior stabilization of the C1-C2 segment in patients with invaginated C2 odontoid process and Chiari malformation type I. METHODS: Clinical case description. RESULTS: Two patients with C2 odontoid processes invagination and Chiari malformation type I were surgically treated using the transoral approach. In both cases, anterior decompression of the upper cervical region was performed, followed by anterior stabilization of the C1-C2 segment...
June 2017: World Neurosurgery
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