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https://www.readbyqxmd.com/read/28637118/asymptomatic-chiari-type-i-malformation-should-patients-be-advised-against-participation-in-contact-sports
#1
Robert Spencer, Paul Leach
BACKGROUND: Chiari type I malformation (CM-I) is characterised by caudal displacement of the cerebellar tonsils through the foramen magnum, crowding the craniocervical junction. It is being increasingly diagnosed in asymptomatic patients due to the widespread availability of MRI, and there are case reports of these patients suffering sudden death or neurological injury following head or neck trauma, raising the issue of whether they should be prohibited from contact sport participation, given the likelihood of frequent trauma...
March 2, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28637109/closing-the-dura-dural-hitching-versus-surgicel-and-tisseel-overlay-graft-in-craniocervicaldecompression-for-chiari-1-malformation
#2
Michael Tonkins, Naeem Farooqi, Rohan Ahmed, Saurabh Sinha, Debapriya Bhattacharyya
BACKGROUND: This study compares dural hitching to surgicel and tisseel overlay graft following craniocervical decompression and C1 laminectomy with simple durotomy for Chiari I malformation. Outcome measures were syrinx decompression, headache resolution and complication rates. METHODS: A retrospective analysis of case notes was conducted. Patients who had undergone craniocervical decompression (CCD) were grouped by method of dural closure. Outcomes compared were rates of syrinx decompression, headache resolution, and post-operative complications...
March 2, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28603362/comparison-of-muscular-fatigue-and-tone-of-neck-according-to-craniocervical-flexion-exercise-and-suboccipital-relaxation-in-cervicogenic-headache-patients
#3
Dae Jung Yang, Da Haeng Kang
[Purpose] This study was conducted to compare and analyze influence of craniocervical flexion and suboccipitalis relaxation in cervicogenic headache patients of their cervical muscular fatigue, tone, and headache intensity. [Subjects and Methods] 30 patients with cervicogenic headache were selected and 10 subjects per group were randomly assigned to control group, craniocervical flexion exercise group, and suboccipitalis relaxation group. Intervention for each group was provided 5 times a week for 4 weeks. Muscular tone test and muscular fatigue test were conducted on both sides of upper trapezius and sternocleidomastoideus and visual analogue sclae on the headache intensity was conducted before the intervention, after 2 weeks, and after 4 weeks...
May 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28593554/hydrocephalus-and-mucopolysaccharidoses-what-do-we-know-and-what-do-we-not-know
#4
REVIEW
Amauri Dalla Corte, Carolina F M de Souza, Maurício Anés, Roberto Giugliani
INTRODUCTION: The precise incidence of hydrocephalus in patients with mucopolysaccharidoses (MPS) is hard to determine, because the condition lacks a formal, consensus-based definition. The diagnosis of hydrocephalus depends on symptom profile, presence of neuroimaging features, and the outcome of diagnostic tests. Although numerous techniques are used to identify MPS patients who are most likely to have hydrocephalus and respond to treatment, no definitive method exists to prove diagnosis...
June 7, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28580880/fibromyalgia-in-patients-with-chronic-ccd-and-cmd-a-retrospective-study-of-555-patients
#5
Brigitte Losert-Bruggner, Manfred Hülse, Roland Hülse
OBJECTIVE: Craniomandibular dysfunction (CMD) and craniocervical dysfunction (CCD) are clearly defined musculoskeletal pain syndromes. Relationships with fibromyalgia syndrome (FMS) have not yet been investigated. The aim of the present study is to establish possible relationships between FMS and CMD/ CCD. METHODS: In a retrospective study, 555 patients with CCD and CMD were investigated with respect to the diagnostic criteria of FMS. In addition to otolaryngologic and dental examination, an instrumental functional analysis for the diagnosis of CMD/CCD was performed...
June 5, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28577039/how-i-do-it-cranial-setup-for-cranial-settling
#6
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...
June 2, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28566903/risk-factors-for-aseptic-meningitis-in-herpes-zoster-patients
#7
Sang-Hoon Kim, Seong-Min Choi, Byeong C Kim, Kang-Ho Choi, Tai-Seung Nam, Joon-Tae Kim, Seung-Han Lee, Man-Seok Park, Seong J Kim
BACKGROUND: Herpes zoster (HZ) is caused by reactivation of latent varicella-zoster virus (VZV) infection. HZ-associated aseptic meningitis, a rare complication of HZ, can require hospitalization and a long treatment period. OBJECTIVE: A retrospective study was performed to identify potential factors associated with HZ-associated aseptic meningitis development. METHODS: We included all outpatients and patients admitted in the neurology and dermatology departments of a single tertiary center, who were diagnosed with HZ for two years...
June 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28564670/current-concepts-in-the-pathogenesis-diagnosis-and-management-of-type-i-chiari-malformations
#8
Cody A Doberstein, Radmehr Torabi, Petra M Klinge
Type 1 Chiari malformations (CMs) are a group of congenital or acquired disorders which include the abnormal presence of the cerebellar tonsils in the upper spinal canal, rather than the posterior fossa. The resulting anatomic abnormality causes crowding of the structures at the craniocervical junction and can impair the normal flow of cerebral spinal fluid (CSF) in this region. This impairment in CSF flow dynamics can led to the development of syringomyelia or hydrocephalus. Type 1 CMs have been associated with a wide array of symptoms resulting from either cerebellar and brainstem compression and distortion or disturbances in CSF dynamics, and can affect both children and adults...
June 1, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28540253/craniocervical-junction-abnormalities-with-atlantoaxial-subluxation-caused-by-ventral-subluxation-of-c2-in-a-dog
#9
Harumichi Itoh, Kazuhito Itamoto, Shotaro Eto, Tomoya Haraguchi, Shimpei Nishikawa, Kenji Tani, Yoshiki Itoh, Masato Hiyama, Toshie Iseri, Munekazu Nakaichi, Yasuho Taura
Craniocervical junction abnormalities with atlantoaxial subluxation caused by ventral subluxation of C2 were diagnosed in a 6-month-old female Pomeranian with tetraplegia as a clinical sign. Lateral survey radiography of the neck with flexion revealed atlantoaxial subluxation with ventral subluxation of C2. Computed tomography revealed absence of dens and atlanto-occipital overlapping. Magnetic resonance imaging showed compression of the spinal cord and indentation of caudal cerebellum. The diagnosis was Chiari-like malformation, atlantoaxial subluxation with ventral displacement of C2, atlanto-occipital overlapping, and syringomyelia...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28525489/minimum-5-year-follow-up-results-for-occipitocervical-fusion-using-the-screw-rod-system-in-craniocervical-instability
#10
Kei Ando, Shiro Imagama, Zenya Ito, Kazuyoshi Kobayashi, Hideki Yagi, Ryuichi Shinjo, Tetsuro Hida, Kenyu Ito, Yoshimoto Ishikawa, Naoki Ishiguro
STUDY DESIGN: Retrospective clinical study. OBJECTIVE: To evaluate the clinical outcome of patients who had undergone occipitocervical (OC) fusion using pedicle screws and rods over a minimum 5-year follow-up. SUMMARY OF BACKGROUND DATA: Few studies have evaluated occipitocervical (OC) fusion using pedicle screws and rods for long-term follow-up. METHODS: Twenty-seven consecutive patients treated underwent posterior OC fusion using pedicle screws and rods over a minimum 5-year follow-up...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524792/analysis-and-interrater-reliability-of-pb-c2-using-mri-and-ct-data-from-the-park-reeves-syringomyelia-research-consortium-on-behalf-of-the-pediatric-craniocervical-society
#11
Todd C Hankinson, Gerald F Tuite, Dagmara I Moscoso, Leslie C Robinson, James C Torner, David D Limbrick, Tae Sung Park, Richard C E Anderson
OBJECTIVE The distance to the ventral dura, perpendicular to the basion to C2 line (pB-C2), is commonly employed as a measure describing the anatomy of the craniovertebral junction. However, both the reliability among observers and the clinical utility of this measurement in the context of Chiari malformation Type I (CM-I) have been incompletely determined. METHODS Data were reviewed from the first 600 patients enrolled in the Park-Reeves Syringomyelia Research Consortium with CM-I and syringomyelia. Thirty-one cases were identified in which both CT and MRI studies were available for review...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28523347/alexander-m-mc-kinney-atlas-of-normal-imaging-variations-of-the-brain-skull-and-craniocervical-vasculature-springer-international-publishing-switzerland-2017-1335-p-2-volumes-format-21-5%C3%A2-%C3%A3-%C3%A2-28-5%C3%A2-cm-isbn-978-3-319-39789-4-isbn-978-3-319-39790-0-e-book-doi
#12
https://www.readbyqxmd.com/read/28521360/exposure-of-the-external-carotid-artery-through-the-posterior-triangle-of-the-neck-a-novel-approach-to-facilitate-bypass-procedures-to-the-posterior-cerebral-circulation
#13
Ali Tayebi Meybodi, Michael T Lawton, Pooneh Mokhtari, Olivia Kola, Ivan H El-Sayed, Arnau Benet
BACKGROUND: The external carotid artery (ECA) is the main high-flow donor for extracranial-intracranial revascularization procedures. However, anatomic restraints limit the availability of ECA in posterior exposures of the craniocervical junction aimed for bypass to distal vertebral artery segments. OBJECTIVE: To examine the feasibility and safety of exposure of the ECA through the posterior triangle of the neck. METHODS: A preliminary feasibility study on the posterior neck exposure of the ECA was performed in 1 cadaveric head (2 sides) followed by a morphometric study on 9 cadaveric heads (18 sides)...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28508158/how-i-do-it-surgical-ligation-of-craniocervical-junction-dural-av-fistulas
#14
Thomas J Sorenson, Biagia La Pira, Joshua Hughes, Giuseppe Lanzino
BACKGROUND: Dural arteriovenous fistulas (DAVFs) of the craniocervical junction are uncommon vascular lesions, which often require surgical treatment even in the endovascular era. METHODS: Most commonly, the fistula is placed laterally, and surgical ligation is performed through a lateral suboccipital craniotomy. After dural opening, the area is inspected, and the arterialized vein is identified emerging from the dura, often adjacent to the entry point of the vertebral artery, and ligated...
May 15, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28499902/dumbbell-shaped-jugular-foramen-tumors-extending-to-the-neck-surgical-considerations-based-on-imaging-findings
#15
J He, J H Wan, B Zhao, H Q Cai, Y H Wu, X J Li, H P Qian, X L Meng
OBJECTIVE: Dumbbell-shaped jugular foramen tumors (DSJFTs) extending to the neck present diagnostic and management difficulties because of their rarity, various pathologies and multidisciplinary involvement. Accurate imaging findings are of great importance for surgical planning and clinical outcomes. However, few articles have discussed this issue to date. METHODS: Thirty-one patients with DSJFTs extending to the neck were surgically treated in a single stage at our institute...
May 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28491191/internal-carotid-artery-dissection-and-pseudoaneurysm-formation-with-resultant-ipsilateral-hypoglossal-nerve-palsy
#16
Giuseppe Cruciata, Rikesh Parikh, Meera Pradhan, Jay Shah, Eric Greif, Evan G Stein
Craniocervical artery dissection is a potentially disabling condition caused by an intimal tear allowing blood to enter and dissect the media in the cranial direction which can occur spontaneously or as a result of trauma. When the dissection extends toward the adventitia, it can form a protrusion from the weakened vessel wall called a pseudoaneurysm, which may become a nidus for distal thromboembolism or cause mass effect on adjacent structures. Accurate and prompt diagnosis is critical as timely treatment can significantly reduce the risk of complications such as stroke...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28478911/epithelioid-hemangioendothelioma-of-the-craniocervical-junction-case-report-and-review
#17
Ali Ender Ofluoglu, Mehmet Aydogan, Uzay Erdogan, Onder Ofluoglu
Epithelioid hemangioendotheliomas are uncommon vascular neoplasms and their spinal location is even rarer. We report clinical course of a 31-year-old man with an epithelioid hemangioendothelioma at the cranio-cervical junction. A cervical magnetic resonance imaging revealed tumor that caused posterior cervical cord compression. C1,2,3 total laminectomy and surgical excision of the tumor was performed. Postoperative external beam radiation was performed on the surgical field especially around the right vertebral artery...
May 3, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28458805/the-tongue-mandible-hyoid-system
#18
Giuseppe Messina
The craniocervical-mandibular system works in harmony and allows different functional tasks as the postural control of the cervical region. This system is formed by the temporomandibular joint, the masticatory muscles and ligaments connecting the temporomandibular joint and the cervical region. It has been seen to affect human posture, and many disorders of the temporomandibular joints may affect this functional arrangement. Notwithstanding this system considered as a functional arrangement, may offer various clinical explanations, it does not hold anatomical connections with the posterior region of the cranium, thus it should not be refered to as a craniocervical arrangement...
February 24, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28432520/unexpected-death-after-occipital-condylar-fracture
#19
Vincent J Bulthuis, E M J Cornips, J Dings, H van Santbrink, A A Postma
We present a rare fatal complication of an occipital condylar fracture. The patient was initially neurologically intact, but showed secondary clinical deterioration. Imaging revealed extensive extra-axial hemorrhage at the craniocervical junction and an acute obstructive hydrocephalus. MR imaging demonstrated a T2 hyperintens signal in both the lower brainstem and upper cervical spinal cord, likely caused by the extra-axial hemorrhage. As prognosis was estimated infaust, supportive treatment was discontinued and the patient died soon thereafter...
June 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28423433/-myositis-ossificans-traumatica-in-the-craniocervical-junction-a-case-report-and-review-of-literature
#20
Andreas Reinke, Michael Kraus, Alexander Wild
Background Myosits ossificans (MO) is a rare but important differential diagnosis for a heterotrophic bony tumor in the muscles. It is often misdiagnosed as a malignant tumor. With a previous trauma the diagnosis is myositis ossificans traumatic (MOT). In most cases, it is benign and predominantly seen in the big muscles. But there can be malignant etiologies too. Case Description We report a rare case of MO in the muscle of the craniocervical junction. This 37-year-old woman had a riding accident years ago...
April 19, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
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