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https://www.readbyqxmd.com/read/29451656/posterior-fossa-decompression-with-duraplasty-in-chiari-surgery-a-technical-note
#1
Marcelo Ferreira Sabba, Beatriz Souza Renor, Enrico Ghizoni, Helder Tedeschi, Andrei Fernandes Joaquim
Chiari malformation (CM) is the most common and prevalent symptomatic congenital craniocervical malformation. Radiological diagnosis is established when the cerebellar tonsils are located 5 mm or more below the level of the foramen magnum on magnetic resonance imaging (MRI). Surgical treatment is indicated whenever there is symptomatic tonsillar herniation or syringomyelia/hydrocephalus. The main surgical treatment for CM without craniocervical instability (such as atlantoaxial luxation) is posterior fossa decompression, with or without duraplasty...
November 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29438218/full-endoscopic-uniportal-odontoidectomy-and-decompression-of-the-anterior-cervicomedullary-junction-using-the-retropharyngeal-approach
#2
Sebastian Ruetten, Patrick Hahn, Semih Oezdemir, Xenophon Baraliakos, Harry Merk, Georgios Godolias, Martin Komp
STUDY DESIGN: A study of a series of consecutive full-endoscopic uniportal decompressions of the anterior craniocervical junction with retropharyngeal approach. OBJECTIVE: The aim of this study was to evaluate the direct anterior decompression of the craniocervical junction in patients with bulbomedullary compression using a full-endoscopic uniportal technique via an anterolateral retropharyngeal approach. SUMMARY OF BACKGROUND DATA: Acute or progressive myelopathy may necessitate direct anterior decompression of the craniocervical junction and odontoidectomy...
February 12, 2018: Spine
https://www.readbyqxmd.com/read/29433179/walk-the-line-the-surgical-highways-to-the-craniovertebral-junction-in-endoscopic-approaches-a-historical-perspective
#3
Massimiliano Visocchi, Domenico Gerardo Iacopino, Francesco Signorelli, Alessandro Olivi, Rosario Maugeri
BACKGROUND: We compiled a comprehensive literature review on the anatomic and clinical results of endoscopic approaches to the craniocervical junction (CVJ) to better contribute to identify the best strategy. METHODS: An updated literature review was performed in the PubMed, OVID, and Google Scholar medical databases, using the terms "Craniovertebral junction," "Transoral approach," "Transnasal approach," "Transcervical approach," "Endoscopic endonasal approach," "Endoscopic transoral approach," "Endoscopic transcervical approach...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433175/the-alar-ligaments-a-cadaveric-and-radiologic-comparison-study
#4
Juan P Sardi, Joe Iwanaga, Vlad Voin, Cameron Schmidt, Marios Loukas, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: A precise anatomical description of the alar ligaments is important to better understand their biomechanical and pathologic implications. Although there are several studies regarding their anatomy, the literature is inconsistent. To our knowledge, there are no reports that compare cadaveric morphologic findings with computed tomography (CT) images of the alar ligaments. METHODS: Eight sides from 4 fresh-frozen cadaveric specimens were used in this study...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29430326/-adult-grisel-syndrome-and-cervical-skull-instability-transnasal-endoscopic-odontoidectomy-and-occipito-cervical-fusion-case-report-and-literature-review
#5
Roberto Herrera, Héctor Rojas, Ariel Estramian, Julieta Gómez, José Luis Ledesma, José Pablo, Julián Pastore
Background: Craniocervical junction pathology is infrequent in daily neurosurgical practice. In general, most of these lesions are of traumatic or rheumatic origin. Atlantoaxial instability of inflammatory origin (Grisel syndrome) is a rare entity of which only 16 adult cases have been reported in the literature. This pathology is characterized by the development of an osteolytic lesion at the level of the atlantoaxial joint after an infectious event, usually of the upper airways. Case Description: We present the case of a 76-year-old patient who attended our office for clinical symptoms of spinal instability secondary to an osteolytic lesion, with involvement of C1 and C2...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29405479/persistent-extreme-hyperextension-of-the-fetal-neck-clinical-and-neuroimaging-findings
#6
Shai Shrot, Clark T Johnson, W Christopher Golden, Ahmet A Baschat, Janine E Bullard, Aylin Tekes, Andrea Poretti, Emily Dunn, Thierry A G M Huisman
BACKGROUND AND PURPOSE: Persistent hyperextension of the fetal craniocervical junction or neck is one of several fetal positions commonly observed on prenatal imaging. Underlying fetal structural etiologies such as fetal neck masses and iniencephaly can be detected as causes of hyperextension. Caesarean delivery is considered in cases of vaginal delivery or obstructed labor for fear of cervical spinal cord injury. In this case series, we describe the prenatal magnetic resonance imaging (MRI) findings and their potential role in obstetric management and discuss postnatal outcomes in fetuses demonstrating prenatal imaging findings of persistent extreme hyperextension of the neck...
February 5, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29403363/a-retrospective-2d-morphometric-analysis-of-adult-female-chiari-type-i-patients-with-commonly-reported-and-related-conditions
#7
Maggie S Eppelheimer, James R Houston, Jayapalli R Bapuraj, Richard Labuda, Dorothy M Loth, Audrey M Braun, Natalie J Allen, Soroush Heidari Pahlavian, Dipankar Biswas, Aintzane Urbizu, Bryn A Martin, Cormac O Maher, Philip A Allen, Francis Loth
Purpose: Researchers have sought to better understand Chiari type I malformation (CMI) through morphometric measurements beyond tonsillar position (TP). Soft tissue and bone structures within the brain and craniocervical junction have been shown to be different for CMI patients compared to healthy controls. Yet, several morphological characteristics have not been consistently associated with CMI. CMI is also associated with different prevalent conditions (PCs) such as syringomyelia, pseudotumor, Ehlers-Danlos syndrome (EDS), scoliosis, and craniocervical instability...
2018: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29403243/outcome-of-conservatively-treated-occipital-condylar-fractures-a-retrospective-study
#8
Olof Byström, Torben S Jensen, Frantz R Poulsen
Introduction: Occipital condyle fracture (OCF) is rare. It may, however, pose a serious threat to the patient due to destabilization of the craniocervical junction. Correct diagnosis and effective treatment are essential to prevent long-term complications. The aim of this study was to retrospectively investigate our current treatment program with focus on the functional outcome. Diagnosis and classification systems were evaluated for their usefulness in the clinical practice. Materials and Methods: We retrospectively reviewed all patients treated conservatively for an occipital condylar fracture from 2010 to 2015 at our department...
October 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/29401069/validity-and-reproducibility-of-various-measurement-methods-for-craniocervical-sagittal-balance
#9
Koji Tamai, Akinobu Suzuki, Shinji Takahashi, Masatoshi Hoshino, Hiromitsu Toyoda, Kazunori Hayashi, Shoichiro Ohyama, Yuichi Kishimura, Ema Onode, Masayuki Umano, Hidetomi Terai, Hiroaki Nakamura
STUDY DESIGN: A cross-sectional study. OBJECTIVE: To identify the best indicator for reproducible representation of craniocervical sagittal balance (CCSB). SUMMARY OF BACKGROUND DATA: Spinal sagittal balance is considered one of the most critical factors affecting the health-related quality of life. Although standard indicators of spinopelvic balance have been established, these do not include the craniocervical balance and there is no standard parameter for evaluating the CCSB...
February 2, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29391298/pseudoaneurysm-of-the-posterior-ascending-branch-of-the-vertebral-artery-a-previously-unreported-case
#10
Charlotte Wilson, Emily Simonds, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
BACKGROUND: Pseudoaneurysms are less common than true aneurysms. Herein, we present a very rare case of a mass of the right posterior ascending artery. CASE DESCRIPTION: This was identified during routine dissection of an adult female cadaver. Histology demonstrated that the mass was a pseudoaneurysm. The mass was located posterior to the right alar ligament superior to the right portion of the transverse ligament and measured 7.37mm and 2.97mm. CONCLUSIONS: To our knowledge, such a case has not previously been reported...
January 29, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29364754/effects-of-the-craniocervical-flexion-and-isometric-neck-exercise-compared-in-patients-with-chronic-neck-pain-a-randomized-controlled-trial
#11
SinHo Chung, Yeon-Gyu Jeong
INTRODUCTION: The present study compared the effects of neck isometric exercise (NIE) and craniocervical flexion exercise (CFE) on cervical lordosis, muscle endurance of cervical flexion, neck disability index (NDI), and active cervical range of motion (ACROM) in all three planes in patients with non-specific, chronic neck pain (CNP). MATERIALS AND METHODS: Forty-one patients from a university hospital-based rehabilitation center were randomly assigned to an experimental (22 patients performing CFE) or control (19 patients performing NIE) group...
January 24, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29353274/postoperative-immobilization-following-occipitocervical-fusion-in-the-pediatric-population-outcome-evaluation-and-review-of-literature
#12
Alexandre R Pingarilho, Paulo M Porto de Melo, Samer K Elbabaa
The scientific literature does not have a consensus about the role and method of postoperative immobilization after occipitocervical fusion in the pediatric population. The primary goal of this study is to review the medical literature and evaluate different immobilization methods and their impact on fusion, following the surgical management of craniocervical instability in children. It started with an extensive research of randomized controlled trials, series of cases and case reports, describing occipitocervical junction pathologies, clinical, epidemiological characteristics, and treatment...
January 20, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29350600/long-term-outcome-of-pallidal-stimulation-for-meige-syndrome
#13
Shiro Horisawa, Taku Ochiai, Shinichi Goto, Takeshi Nakajima, Nobuhiko Takeda, Takakazu Kawamata, Takaomi Taira
OBJECTIVE Meige syndrome is characterized by blepharospasm and varied subphenotypes of craniocervical dystonia. Current literature on pallidal surgery for Meige syndrome is limited to case reports and a few small-scale studies. The authors investigated the clinical outcomes of deep brain stimulation (DBS) of the globus pallidus internus (GPi) in patients with Meige syndrome. METHODS Sixteen patients who underwent GPi DBS at the Tokyo Women's Medical University Hospital between 2002 and 2015 were included in this study...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29345006/embryology-of-the-craniocervical-junction-and-posterior-cranial-fossa-part-i-development-of-the-upper-vertebrae-and-skull
#14
Mohammadali M Shoja, Rebecca Ramdhan, Chad J Jensen, Joshua Chern, W Jerry Oakes, R Shane Tubbs
Although the embryology of the posterior cranial fossa can have life altering effects on a patient, a comprehensive review on this topic is difficult to find in the peer-reviewed medical literature. Therefore, this review paper, using standard search engines, seemed timely. The embryology of the posterior cranial fossa is complex and relies on a unique timing of various neurovascular and bony elements. Derailment of these developmental processes can lead to a wide range of malformations such as the Chiari malformations...
January 18, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29344994/embryology-of-the-craniocervical-junction-and-posterior-cranial-fossa-part-ii-embryogenesis-of-the-hindbrain
#15
Mohammadali M Shoja, Chad J Jensen, Rebecca Ramdhan, Joshua Chern, W Jerry Oakes, R Shane Tubbs
Although pathology of the hindbrain and its derivatives can have life altering effects on a patient, a comprehensive review on its embryology is difficult to find in the peer-reviewed medical literature. Therefore, this review paper, using standard search engines, seemed timely. The embryology of the hindbrain is complex and relies on a unique timing of various neurovascular and bony elements. Derailment of these developmental processes can lead to a wide range of malformations such as the Chiari malformations...
January 18, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29338489/multimodal-physiotherapy-treatment-based-on-a-biobehavioral-approach-for-patients-with-chronic-cervico-craniofacial-pain-a-prospective-case-series
#16
Fernando Marcos-Martín, Luis González-Ferrero, Noelia Martín-Alcocer, Alba Paris-Alemany, Roy La Touche
The purpose of this prospective case series was to observe and describe changes in patients with chronic cervico-craniofacial pain of muscular origin treated with multimodal physiotherapy based on a biobehavioral approach. Nine patients diagnosed with chronic myofascial temporomandibular disorder and neck pain were treated with 6 sessions over the course of 2 weeks including: (1) orthopedic manual physiotherapy (joint mobilizations, neurodynamic mobilization, and dynamic soft tissue mobilizations); (2) therapeutic exercises (motor control and muscular endurance exercises); and (3) patient education...
January 17, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29338280/variable-skeletal-anatomical-features-of-acromegaly-in-the-skull-and-craniocervical-junction
#17
Maria Piagkou, Othon Manolakos, Theodore Troupis, Nikolaos Lazaridis, Konstantinos Laios, Alexandros Samolis, Konstantinos Natsis
OBJECTIVE: This study adds important information regarding the morphological alterations caused by growth hormone hypersecretion in the skull and craniocervical junction (CCJ). A variably asymmetric skull due to acromegaly coexists with expansion of the paranasal sinuses and multiple Wormian bones. CASE REPORT: A pathologically asymmetric dry skull of a European male, aged 38 years at death, with cranial vault and skull base thickening is described. The extensive paranasal sinus pneumatization caused a generalized thinning of the bony walls...
November 2017: Acta Medica Academica
https://www.readbyqxmd.com/read/29332734/correlation-between-cervical-flexor-muscle-thickness-and-craniocervical-flexion-torque-in-healthy-subjects
#18
Hiroshi Ishida, Tadanobu Suehiro, Susumu Watanabe
The purpose of this study was to clarify the relationship between the size of the cervical flexor muscles and craniocervical (CC) flexion torque. Thirty-eight healthy men participated in this study. Thickness of the deep cervical flexor (DCF) and sternocleidomastoid (SM) muscles were measured using ultrasonography. Maximal isometric CC flexion torque was measured using dynamometry. The DCF and SM muscle thickness and CC flexion torque were normalized relative to body weight. Correlations between normalized muscle thickness and normalized CC flexion torque were determined...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29325958/novel-assessment-of-cerebrospinal-fluid-dynamics-by-time-spatial-labeling-inversion-pulse-magnetic-resonance-imaging-in-patients-with-chiari-malformation-type-i
#19
Tatsuya Ohtonari, Nobuharu Nishihara, Shinzo Ota, Akio Tanaka
OBJECTIVE: We investigated CSF dynamics at CCJ using Time-SLIP MRI to demonstrate the significance of ventral and dorsal combined CSF dynamics in assessing CSF flow disturbance in patients with CM-I. METHODS: Fifteen examinations were performed in nine cases of CM-I (three females patients; mean age, 24.7 years; age range, 11-46 years) before or after craniocervical decompression. The longitudinal maximum movement of the caudal edge of tagged mid-sagittal CSF at CCJ was measured as a LOM, and total on the ventral and dorsal sides was defined as total LOM...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29322969/pseudoaneurysms-of-the-craniocervical-region
#20
Mathew Abraham
No abstract text is available yet for this article.
January 2018: Neurology India
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