Scoliosis Associated with Syringomyelia

Arai, Sadao; Ohtsuka, Yoshinori; Moriya, Hideshige; Kitahara, Hiroshi; Minami, Shouhei

doi:10.1097/00007632-199309000-00004

Cited by 114 publications

(41 citation statements)

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“…It has previously been claimed that patients with a syrinx show a greater prevalence of left-sided thoracic curves; however, the site and extent of curvature is no different [3,18,[21][22][23]. Our patient population had a near equal distribution of right (36)-and left (32)-sided curves overall and an equal distribution of right (4)-and left (4)-sided curves in the subgroup with neural axis abnormalities.…”

Section: Discussionmentioning

confidence: 62%

“…Overall, idiopathic scoliosis showed a 16 % rate of neuro-axial abnormalities with Arnold-chiari malformation being the most common (9/15); however, the rate was higher in the IIS (25 %) and JIS (27 %) subgroups. In Japan, Inoue et al [2] prospectively preformed MRI scans on 250 patients with idiopathic scoliosis of whom 44 (18 %) had intraspinal anomalies with combined syrinx and Arnold-chiari malformation (22) and isolated Arnold-Chiari malformation (13) being the most common. Only 74 of these patients were less than 11 years of age and this subgroup had 19 (26 %) neural axis abnormalities.…”

Section: Discussionmentioning

confidence: 99%

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Are intraspinal anomalies in early onset idiopathic scoliosis as common as once thought? A two centre United Kingdom study

2012

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Purpose Rates of neural axis abnormalities in infantile and juvenile idiopathic scoliosis may be as high as 50 %. We aimed to determine the rates of neural axis abnormalities in early onset idiopathic scoliosis patients in a British population. Methods This retrospective study at two British spinal deformity clinics identified 72 patients satisfying the inclusion criteria of: (1) age at diagnosis of 7 years and younger, (2) idiopathic scoliosis and (3) magnetic resonance imaging of the neuraxis. Results The mean age at diagnosis was 3.6 years and the mean Cobb angle was 47°with a near equal distribution of left (32) and right (36) sided curves. Eight (11.1 %) neural axis abnormalities consisting of two syrinxes, one Arnoldchiari Type I malformation and five combined (Arnold-chiari malformation Type I and syrinx) anomalies were identified. Conclusions This multi-centre study on the largest number of British subjects to date helps to establish the rates of neural axis abnormalities.

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Section: Discussionmentioning

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Are intraspinal anomalies in early onset idiopathic scoliosis as common as once thought? A two centre United Kingdom study

2012

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“…Syringomyelia associated with a Chiari type I malformation at the foramen magnum has a substantially increased prevalence in patients with AIS [4,22]. Risk factors for this association include abnormal neurological findings (particularly asymmetrical abdominal reflexes), atypical curve patterns such as a left-sided thoracic curve, early onset under ten years of age, male gender, the presence of pain, and a thoracic kyphosis angle of more than 30°.…”

Section: Neurological Mechanismsmentioning

confidence: 99%

“…Risk factors for this association include abnormal neurological findings (particularly asymmetrical abdominal reflexes), atypical curve patterns such as a left-sided thoracic curve, early onset under ten years of age, male gender, the presence of pain, and a thoracic kyphosis angle of more than 30°. These patients should undergo magnetic resonance imaging or a myelographic examination to rule out intraspinal pathology [4,55]. Early decompression of Chiari malformation with syringomyelia showed improvement of the associated scoliosis [17,39].…”

Section: Neurological Mechanismsmentioning

confidence: 99%

Recent advances in the aetiology of adolescent idiopathic scoliosis

Cheung

Wang

Qiu

et al. 2007

International Orthopaedics (SICO

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The aetiology of adolescent idiopathic scoliosis (AIS) is still unknown despite many years of research effort. Theories on AIS's aetiology have included mechanical, hormonal, metabolic, neuromuscular, growth, and genetic abnormalities. Amongst these, some factors may be epiphenomena rather than the cause itself. Other factors may even contribute to curve progression, rather than curve initiation. Current views maintain that AIS is a multifactorial disease with genetic predisposing factors [Lowe et al. in J Bone Joint Surg [Am] 82:1157-1168, 2000. With improvements in diagnostic methods, imaging and genomics, there has been considerable recent work on aetiology. This review aims to bring readers up-to-date with the latest developments in scoliosis research.Résumé L'étiologie de la scoliose idiopathique de l'adolescent (AIS) reste inconnue en dépit de nombreux travaux et de nombreux efforts de recherche. Dans les théories voulant expliquer une scoliose, on cherche à mettre en évidence des facteurs mécaniques, hormonaux, méta-boliques, neuro musculaires, au niveau de la croissance mais aussi des anomalies d'origine génétique. Parmi tous ces facteurs, certains d'entre eux sont des épiphénomènes, certains facteurs peuvent contribuer à la progression de la courbure scoliotique ou à son apparition. De nombreux points de vue permettent de penser que l'AIS est une maladie d'origine multi factorielle avec des facteurs prédisposant d'origines génétiques. L'amélioration des méthodes de diagnostic, d'imageries et d'analyses génét-iques contribue à mieux approcher cette étiologie. Ce travail a pour but de mettre en évidence les facteurs les plus actuels dont on peut penser qu'ils sont à l'origine du développement d'une scoliose.

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“…The presence of intraspinal anomalies in the absence of neurological findings in idiopathic scoliosis varies from region to region and has been estimated between 4% and 26% [1,4,5,10,11,17].…”

Section: Introductionmentioning

confidence: 99%

The role of routine magnetic resonance imaging in the preoperative evaluation of adolescent idiopathic scoliosis

Öztürk

Karadereler

Örnek

et al. 2009

International Orthopaedics (SICOT)

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The routine use of magnetic resonance imaging (MRI) in adolescent idiopathic scoliosis remains controversial, and current indications for MRI in idiopathic scoliosis vary from study to study. The purpose of this study was to demonstrate the prevalence of neural axis malformations and the clinical relevance of routine MRI studies in the evaluation of patients with adolescent idiopathic scoliosis undergoing surgical intervention without any neurological findings. A total of 249 patients with a diagnosis of idiopathic scoliosis were treated surgically between the years 2002 and 2007. A routine whole spine MRI analysis was performed in all patients. On the preoperative clinical examination, all patients were neurologically intact. There were 20 (8%) patients (3 males and 17 females) who had neural axis abnormalities on MRI.

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Scoliosis Associated with Syringomyelia

Cited by 114 publications

References 0 publications

Are intraspinal anomalies in early onset idiopathic scoliosis as common as once thought? A two centre United Kingdom study

Are intraspinal anomalies in early onset idiopathic scoliosis as common as once thought? A two centre United Kingdom study

Recent advances in the aetiology of adolescent idiopathic scoliosis

The role of routine magnetic resonance imaging in the preoperative evaluation of adolescent idiopathic scoliosis

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