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  1 / 1938 MEDLINE  
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[PMID]:28454552
[Au] Autor:Giri J; Pokharel PR; Gyawali R
[Ad] Endereço:Department of Orthodontics, College of Dental Surgery, B.P. Koirala Institute of Health Sciences, Dharan, Nepal. nepalipilot@gmail.com.
[Ti] Título:How common is ponticulus posticus on lateral cephalograms?
[So] Source:BMC Res Notes;10(1):172, 2017 Apr 28.
[Is] ISSN:1756-0500
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Ponticulus posticus is an anomaly of first cervical vertebra visible on lateral cephalogram and has some serious medical and surgical implications. Unfortunately, it is often overlooked or undetected by orthodontists. The general objective of this study is to sensitize orthodontists about this anomaly by depicting its prevalence among a group of Nepalese orthodontic patients. METHODS: Four hundred and fourteen digital lateral cephalograms of orthodontic patients were retrieved from the archives of the department. The lateral cephalograms were carefully assessed for the presence of ponticulus posticus in the posterior spine of atlas vertebra by two investigators independently and the findings were recorded. RESULTS: Ponticulus posticus was observed in 35.7% of the cases, of which 30.9% had partial ponticulus posticus and 4.8% had complete ponticulus posticus. Even though there was some female predilection, no statistically significant association was found between gender of the patient and presence of ponticulus posticus. CONCLUSION: Ponticulus posticus is a fairly common anomaly with more than one-third (35.7%) of a group of Nepalese orthodontic patients affected and is independent of gender. Since, this anomaly is associated with numerous medical conditions and has surgical implications, orthodontists should use lateral cephalogram as screening radiograph for this anomaly.
[Mh] Termos MeSH primário: Cefalometria/estatística & dados numéricos
Atlas Cervical/diagnóstico por imagem
Tomografia Computadorizada por Raios X/estatística & dados numéricos
[Mh] Termos MeSH secundário: Adolescente
Adulto
Feminino
Seres Humanos
Masculino
Nepal
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180223
[Lr] Data última revisão:
180223
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170430
[St] Status:MEDLINE
[do] DOI:10.1186/s13104-017-2494-z


  2 / 1938 MEDLINE  
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[PMID]:29252633
[Au] Autor:Aggarwal RA; Srivastava S; Bhosale S; Roy K
[Ad] Endereço:Department of Orthopaedics, Seth G.S. Medical College and K.E.M. Hospital, Parel, Mumbai, Maharashtra, India.
[Ti] Título:Congenital Agenesis of the Posterior Elements of the Axis (C2), Occipitalization of the Atlas (C1), and Basilar Invagination in an Adult Woman: A Case Report.
[So] Source:JBJS Case Connect;6(3):e56, 2016 Jul-Sep.
[Is] ISSN:2160-3251
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:CASE: A 55-year-old woman presented with chronic neck pain. Physical and neurological examination results were normal. Radiographs revealed absence of the posterior elements of C2 with hypertrophy of the spinous process of C3. A computed tomography scan showed occipitalization of the atlas with basilar invagination. Magnetic resonance imaging did not reveal any soft-tissue abnormalities. The patient was treated with a short course of a nonsteroidal anti-inflammatory drug and physiotherapy. CONCLUSION: Agenesis of the posterior elements of C2 should be considered in patients with hypertrophy of the spinous process of C3. Patients may have a varied presentation ranging from neck pain to myelopathy. Dynamic (flexion and extension) lateral cervical spine radiographs should be obtained, as cases reported in the literature involved instability of the cervical spine.
[Mh] Termos MeSH primário: Vértebra Cervical Áxis/anormalidades
Atlas Cervical/anormalidades
Cervicalgia/etiologia
[Mh] Termos MeSH secundário: Vértebra Cervical Áxis/diagnóstico por imagem
Atlas Cervical/diagnóstico por imagem
Feminino
Seres Humanos
Meia-Idade
Cervicalgia/diagnóstico por imagem
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180216
[Lr] Data última revisão:
180216
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171219
[St] Status:MEDLINE
[do] DOI:10.2106/JBJS.CC.15.00261


  3 / 1938 MEDLINE  
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[PMID]:28885370
[Au] Autor:Yang HS; Kim KW; Oh YM; Eun JP
[Ad] Endereço:Department of Neurosurgery, Biomedical Research Institute of Chonbuk National University Hospital, Research Institute of Clinical Medicine of Chonbuk National University, Jeonju, Korea.
[Ti] Título:Usefulness of titanium mesh cage for posterior C1-C2 fixation in patients with atlantoaxial instability.
[So] Source:Medicine (Baltimore);96(36):e8022, 2017 Sep.
[Is] ISSN:1536-5964
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The aim of this study was to investigate the usefulness of titanium mesh cage as an interlaminar spacer combined with nitinol shape memory loop fixation in patients with atlantoaxial instability.From April 2009 to March 2017, among the patients with atlantoaxial instability, a total of 30 patients were treated by nitinol shape memory loop fixation combined with titanium mesh cage as a spacer. We retrospectively reviewed 30 enrolled patients. Successful fusion was determined as improvement of symptoms and radiologic findings of bone fusion. We also reviewed surgical complications, instrumentation failure, bony fusion rate, and posterior atlantodental interval (PADI).After surgery, the symptoms of all patients significantly improved. Successful fusion was documented throughout the follow-up period. Evidence of solid bridging bone was found, and no instability was seen on flexion-extension radiographs and callus formation on 3D cervical spine computed tomography (CT) 6 months postoperatively in all cases. No surgical complications were observed. No cases of instrumentation failure were observed. The mean PADI also improved significantly to 22.45 ±â€Š1.11 mm 6 months postoperatively compared with the preoperative value of 18.37 ±â€Š1.16 mm (P < .05).We obtained a good fusion rate by using titanium mesh cage spacer with nitinol shape memory alloy loop in patients with atlantoaxial instability. This technique can help surgeons in avoiding vertebral artery injury and reducing bleeding and operation time. Therefore, we suggest that titanium mesh cage spacer combined with nitinol shape memory alloy loop can be a good substitute of autograft for C1-C2 fusion in treating atlantoaxial instabilities.
[Mh] Termos MeSH primário: Articulação Atlantoaxial/cirurgia
Vértebra Cervical Áxis/cirurgia
Atlas Cervical/cirurgia
Fixadores Internos
Instabilidade Articular/cirurgia
Fusão Vertebral/instrumentação
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Articulação Atlantoaxial/diagnóstico por imagem
Vértebra Cervical Áxis/diagnóstico por imagem
Atlas Cervical/diagnóstico por imagem
Feminino
Seguimentos
Seres Humanos
Imagem Tridimensional
Instabilidade Articular/diagnóstico por imagem
Masculino
Meia-Idade
Titânio
Tomografia Computadorizada por Raios X
Resultado do Tratamento
Adulto Jovem
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
D1JT611TNE (Titanium)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170918
[Lr] Data última revisão:
170918
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170909
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000008022


  4 / 1938 MEDLINE  
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[PMID]:28671073
[Au] Autor:Mackenzie CJ; Haggett EF; Pinchbeck GL; Marr CM
[Ad] Endereço:Rossdales Veterinary Surgeons, Newmarket, Suffolk CB9 7NN, United Kingdom. Electronic address: catriona.mackenzie@rossdales.com.
[Ti] Título:Ultrasonographic assessment of the atlanto-occipital space in healthy Thoroughbred foals and Thoroughbred foals with neonatal maladjustment syndrome.
[So] Source:Vet J;223:55-59, 2017 May.
[Is] ISSN:1532-2971
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Ultrasonography of the atlanto-occipital (AO) space may be useful as a non-invasive diagnostic tool in neonatal foals. The aims of the study were establish a range of values for ultrasonographic measurements of the AO space in healthy Thoroughbred foals and to compare these variables in healthy foals with foals diagnosed with neonatal maladjustment syndrome (NMS). Ultrasonography of the AO space was performed on 38 healthy Thoroughbred foals and 28 Thoroughbred foals with NMS≤4days of age. Transverse image spinal cord height (P=0.001), width (P<0.001) and spinal cord cross sectional area (P<0.001), and longitudinal image dorsoventral diameter of the ventral spinal artery, were significantly smaller in foals with NMS than in healthy foals. Ratios of spinal canal to cord width and cross sectional area were significantly smaller in healthy foals than in foals with NMS (P<0.001). Spinal canal variables were not significantly different between groups. Several ultrasonographic measurements of the AO space were significantly different between healthy foals and foals with NMS. Further investigation is warranted to investigate the clinical application of this technique.
[Mh] Termos MeSH primário: Animais Recém-Nascidos
Doenças do Sistema Nervoso Central/veterinária
Doenças dos Cavalos/diagnóstico por imagem
Canal Vertebral/diagnóstico por imagem
Medula Espinal/diagnóstico por imagem
Ultrassonografia/veterinária
[Mh] Termos MeSH secundário: Animais
Doenças do Sistema Nervoso Central/diagnóstico por imagem
Atlas Cervical
Cavalos
Osso Occipital
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171016
[Lr] Data última revisão:
171016
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170704
[St] Status:MEDLINE


  5 / 1938 MEDLINE  
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[PMID]:28621616
[Au] Autor:Pekala PA; Henry BM; Pekala JR; Hsieh WC; Vikse J; Sanna B; Walocha JA; Tubbs RS; Tomaszewski KA
[Ad] Endereço:International Evidence-Based Anatomy Working Group.
[Ti] Título:Prevalence of foramen arcuale and its clinical significance: a meta-analysis of 55,985 subjects.
[So] Source:J Neurosurg Spine;27(3):276-290, 2017 Sep.
[Is] ISSN:1547-5646
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE The foramen arcuale (FA) is a bony bridge located over the vertebral artery on the posterior arch of the atlas. The presence of an FA can pose a risk during neurosurgery by providing a false impression of a broader posterior arch. The aim of this study was to provide the most comprehensive investigation on the prevalence of the FA and its clinically important anatomical features. METHODS Major electronic databases were searched to identify all studies that reported relevant data on the FA and the data were pooled into a meta-analysis. RESULTS A total of 127 studies (involving 55,985 subjects) were included. The overall pooled prevalence of a complete FA was 9.1% (95% CI 8.2%-10.1%) versus an incomplete FA, which was 13.6% (95% CI 11.2%-16.2%). The complete FA was found to be most prevalent in North Americans (11.3%) and Europeans (11.2%), and least prevalent among Asians (7.5%). In males (10.4%) the complete FA was more common than in females (7.3%) but an incomplete FA was more commonly seen in females (18.5%) than in males (16.7%). In the presence of a complete FA, a contralateral FA (complete or incomplete) was found in 53.1% of cases. CONCLUSIONS Surgeons should consider the risk for the presence of an FA prior to procedures on the atlas in each patient according to sex and ethnic group. We suggest preoperative screening with computerized tomography as the gold standard for detecting the presence of an FA.
[Mh] Termos MeSH primário: Variação Anatômica
Atlas Cervical/anatomia & histologia
[Mh] Termos MeSH secundário: Atlas Cervical/cirurgia
Seres Humanos
Prevalência
Artéria Vertebral/anatomia & histologia
Artéria Vertebral/cirurgia
[Pt] Tipo de publicação:JOURNAL ARTICLE; META-ANALYSIS; REVIEW
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170913
[Lr] Data última revisão:
170913
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170617
[St] Status:MEDLINE
[do] DOI:10.3171/2017.1.SPINE161092


  6 / 1938 MEDLINE  
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[PMID]:28524792
[Au] Autor:Hankinson TC; Tuite GF; Moscoso DI; Robinson LC; Torner JC; Limbrick DD; Park TS; Anderson RCE
[Ad] Endereço:Pediatric Neurosurgery, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, and.
[Ti] Título: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.
[So] Source:J Neurosurg Pediatr;20(2):170-175, 2017 Aug.
[Is] ISSN:1933-0715
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo: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. Three pediatric neurosurgeons independently determined pB-C2 values using common imaging sequences: MRI (T1-weighted and T2-weighted with and without the inclusion of retro-odontoid soft tissue) and CT. Values were compared and intraclass correlations were calculated among imaging modalities and observers. RESULTS Intraclass correlation of pB-C2 demonstrated strong agreement between observers (intraclass correlation coefficient [ICC] range 0.72-0.76). Measurement using T2-weighted MRI with the inclusion of retro-odontoid soft tissue showed no significant difference with measurement using T1-weighted MRI. Measurements using CT or T2-weighted MRI without retro-odontoid soft tissue differed by 1.6 mm (4.69 and 3.09 mm, respectively, p < 0.05) and were significantly shorter than those using the other 2 sequences. Conclusions pB-C2 can be measured reliably by multiple observers in the context of pediatric CM-I with syringomeyelia. Measurement using T2-weighted MRI excluding retro-odontoid soft tissue closely approximates the value obtained using CT, which may allow for the less frequent use of CT in this patient population. Measurement using T2-weighted MRI including retro-odontoid soft tissue or using T1-weighted MRI yields a more complete assessment of the extent of ventral brainstem compression, but its association with clinical outcomes requires further study.
[Mh] Termos MeSH primário: Atlas Cervical/diagnóstico por imagem
Dura-Máter/diagnóstico por imagem
Imagem por Ressonância Magnética
Crânio/diagnóstico por imagem
Tomografia Computadorizada por Raios X
[Mh] Termos MeSH secundário: Malformação de Arnold-Chiari/diagnóstico por imagem
Seres Humanos
Neurocirurgiões
Variações Dependentes do Observador
Tamanho do Órgão
Reprodutibilidade dos Testes
Siringomielia/diagnóstico por imagem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170807
[Lr] Data última revisão:
170807
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170520
[St] Status:MEDLINE
[do] DOI:10.3171/2017.3.PEDS16604


  7 / 1938 MEDLINE  
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[PMID]:28427978
[Au] Autor:Tambawala SS; Karjodkar FR; Sansare K; Motghare D; Mishra I; Gaikwad S; Dora AC
[Ad] Endereço:Private Practitioner, Powai, Mumbai, Maharashtra, India. Electronic address: shezt3@gmail.com.
[Ti] Título:Prevalence of Ponticulus Posticus on Lateral Cephalometric Radiographs, its Association with Cervicogenic Headache and a Review of Literature.
[So] Source:World Neurosurg;103:566-575, 2017 Jul.
[Is] ISSN:1878-8769
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: The aim of this study was to calculate the prevalence of ponticulus posticus (a small bony bridge on the dorsal aspect of the atlas on lateral digital cephalometric radiographs) and classify it into a complete ring or an incomplete ring. The study also investigated its association with the presence or absence of cervicogenic headache in the examined population; a literature review of ponticulus posticus is also presented. METHODS: The presence and types of ponticuli posticus were investigated on 500 digital lateral cephalograms and the same patients were questioned for a history of cervicogenic headache. RESULTS: In 500 patients, 79 ponticulus posticus (34 complete and 45 incomplete) were identified on the lateral cephalograms; therefore, the prevalence was 15.8%. The distribution of the type of ponticulus posticus was 13.1% in males and 17.9% in females in the studied sample. The overall prevalence of cervicogenic headache was 6% in the studied sample with a significant association between cervicogenic headache and type of ponticulus posticus. CONCLUSIONS: The study shows that ponticulus posticus is not a rare finding and its association with unexplainable headache, neck pain, and other symptoms as well as its importance and implications during management of cervical spine surgical procedures, especially those requiring lateral mass screw placements in the atlas, imply that radiologists and dentists in general should closely inspect the vertebral region on a lateral cephalogram.
[Mh] Termos MeSH primário: Atlas Cervical/anormalidades
Anormalidades Musculoesqueléticas/epidemiologia
Cefaleia Pós-Traumática/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Atlas Cervical/diagnóstico por imagem
Criança
Feminino
Seres Humanos
Índia/epidemiologia
Masculino
Anormalidades Musculoesqueléticas/diagnóstico por imagem
Prevalência
Radiografia
Estudos Retrospectivos
Distribuição por Sexo
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170925
[Lr] Data última revisão:
170925
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170422
[St] Status:MEDLINE


  8 / 1938 MEDLINE  
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[PMID]:28257736
[Au] Autor:Haji Ghadimi M; Amini F; Hamedi S; Rakhshan V
[Ad] Endereço:Private practice, Toronto, Ontario, Canada.
[Ti] Título:Associations among sella turcica bridging, atlas arcuate foramen (ponticulus posticus) development, atlas posterior arch deficiency, and the occurrence of palatally displaced canine impaction.
[So] Source:Am J Orthod Dentofacial Orthop;151(3):513-520, 2017 Mar.
[Is] ISSN:1097-6752
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: Head and neck skeletal anomalies or normal variants might predict the occurrence of palatally displaced impacted maxillary canines. Despite their clinical importance, studies in this regard are rare, especially when it comes to vertebral anomalies. METHODS: This case-control study was performed on cephalographs of 35 orthodontic patients (11 male, 24 female) with palatally displaced canines (PDC) and 75 patients without them (29 male, 46 female). PDC were diagnosed on panoramic and lateral cephalographs and from clinical reports. The occurrence and severity of sella turcica bridge and the atlas ponticulus posticus, and deficiency of the posterior atlas arch were evaluated twice on lateral cephalographs. The associations between the occurrence and level of these skeletal anomalies and variations of PDC occurrence as well as additional correlations were assessed using multivariable and bivariate statistics (α = 0.05; ß ≤0.2). RESULTS: The patients' mean age was 18.4 ± 1.9 years. In the control and patient groups, 23 (30.7%) and 21 subjects (60%) had sella turcica bridging, respectively (chi-square, P = 0.003). Ponticulus posticus was observed in 14 (18.7%) controls and 15 (42.9%) patients (chi-square, P = 0.007). Posterior atlas arch deficiency was observed in 4 (5.3%) controls and 5 (14.3%) patients (chi-square, P = 0.111). The presence of ponticulus posticus and sella turcica bridging might be associated with increased odds of PDC occurrence for about odds ratios of 3.1 and 3.5 times, respectively (binary logistic regression). CONCLUSIONS: PDC is positively associated with the occurrence and severity of sella turcica bridging and ponticulus posticus. The association between PDC and posterior atlas arch deficiency was inconclusive.
[Mh] Termos MeSH primário: Atlas Cervical/anormalidades
Dente Canino/patologia
Palato/anormalidades
Sela Túrcica/anormalidades
Dente Impactado/diagnóstico por imagem
[Mh] Termos MeSH secundário: Adolescente
Estudos de Casos e Controles
Cefalometria
Atlas Cervical/crescimento & desenvolvimento
Feminino
Seres Humanos
Masculino
Maxila/diagnóstico por imagem
Palato/crescimento & desenvolvimento
Radiografia Panorâmica
Sela Túrcica/diagnóstico por imagem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170428
[Lr] Data última revisão:
170428
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170305
[St] Status:MEDLINE


  9 / 1938 MEDLINE  
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[PMID]:28185148
[Au] Autor:Gonzales J; Voin V; Iwanaga J; Schmidt C; Fisahn C; Alonso F; Oskouian RJ; Tubbs RS
[Ad] Endereço:Seattle Science Foundation, Seattle, WA, USA.
[Ti] Título:Simultaneous lateral ponticle with facet-like depression and epitransverse process of the atlas.
[So] Source:Anat Sci Int;92(3):383-386, 2017 Jun.
[Is] ISSN:1447-073X
[Cp] País de publicação:Japan
[La] Idioma:eng
[Ab] Resumo:The lateral ponticle and epitransverse process are rare anatomical variations found on the atlas vertebra of the cervical spine. When a lateral ponticle occurs, an abnormal bony bridge extends from the superior articular facet to the transverse process. This bony bridge bisects the transverse foramen wherein the vertebral artery normally lies. In this case report, we describe a C1 specimen from an adult male with a lateral ponticle on the right side and an epitransverse process on the left side. Additionally, an articular facet-like structure was also found on the lateral ponticle's surface. Relevant literature regarding the lateral ponticle across age groups, sex, race, and species is also reviewed. We postulate that genesis of the lateral ponticle of the atlas occurs in utero, specifically during the lateral ossification of the ventral sclerotomes. To our knowledge, an articular facet-like structure on such a ponticle has not been reported previously. Moreover, simultaneous occurrence of a lateral ponticle and contralateral epitransverse process has, to our knowledge, not been reported before.
[Mh] Termos MeSH primário: Atlas Cervical/anatomia & histologia
Vértebras Cervicais/anatomia & histologia
[Mh] Termos MeSH secundário: Variação Anatômica
Seres Humanos
Masculino
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170512
[Lr] Data última revisão:
170512
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170211
[St] Status:MEDLINE
[do] DOI:10.1007/s12565-017-0393-y


  10 / 1938 MEDLINE  
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[PMID]:28120062
[Au] Autor:Visocchi M; Barbagallo G; Pascali VL; Mattogno P; Signorelli F; Iacopino G; Germano' A; La Rocca G
[Ad] Endereço:Insitute of Neurosurgery, Medical School, Catholic University of Rome, Rome, Italy.
[Ti] Título:Craniovertebral Junction Transanasal and Transoral Approaches: Reconstruct the Surgical Pathways with Soft or Hard Tissue Endocopic Lines? This Is the Question.
[So] Source:Acta Neurochir Suppl;124:117-121, 2017.
[Is] ISSN:0065-1419
[Cp] País de publicação:Austria
[La] Idioma:eng
[Ab] Resumo: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).
[Mh] Termos MeSH primário: Vértebra Cervical Áxis/diagnóstico por imagem
Atlas Cervical/diagnóstico por imagem
Boca/diagnóstico por imagem
Cavidade Nasal/diagnóstico por imagem
Osso Occipital/diagnóstico por imagem
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Cadáver
Feminino
Seres Humanos
Masculino
Meia-Idade
Cirurgia Endoscópica por Orifício Natural/métodos
Neuroendoscopia/métodos
Radiografia
Tomografia Computadorizada por Raios X
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171102
[Lr] Data última revisão:
171102
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170126
[St] Status:MEDLINE
[do] DOI:10.1007/978-3-319-39546-3_18



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