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Optometry and Vision Science, 1992
Arnold-Chiari malformation is a congenital malformation of the skull near the foramen magnum in which the cerebellum and the medulla are caudally displaced. This herniation of the brainstem causes down-beat nystagmus and oscillopsia, the most commonly presenting sign and symptom, respectively.
G E, Russell, B, Wick, R A, Tang
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Arnold-Chiari malformation is a congenital malformation of the skull near the foramen magnum in which the cerebellum and the medulla are caudally displaced. This herniation of the brainstem causes down-beat nystagmus and oscillopsia, the most commonly presenting sign and symptom, respectively.
G E, Russell, B, Wick, R A, Tang
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Archives of Neurology, 2003
Current understanding of cerebellar ectopia is primarily based on the detailed study and classification of this rare rhombencephalon deformity by Hans Chiari, MD, more than a century ago. Recent advances in neuroradiology, especially since the introduction of magnetic resonance imaging, have enabled the incidental diagnosis of cerebellar ectopia.
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Current understanding of cerebellar ectopia is primarily based on the detailed study and classification of this rare rhombencephalon deformity by Hans Chiari, MD, more than a century ago. Recent advances in neuroradiology, especially since the introduction of magnetic resonance imaging, have enabled the incidental diagnosis of cerebellar ectopia.
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Veterinary Clinics of North America: Small Animal Practice, 2016
Chiari-like malformation is a condition of the craniocervical junction in which there is a mismatch of the structures of the caudal cranial fossa causing the cerebellum to herniate into the foramen magnum. This herniation can lead to fluid buildup in the spinal cord, also known as syringomyelia.
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Chiari-like malformation is a condition of the craniocervical junction in which there is a mismatch of the structures of the caudal cranial fossa causing the cerebellum to herniate into the foramen magnum. This herniation can lead to fluid buildup in the spinal cord, also known as syringomyelia.
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Chiari malformation in craniosynostosis
Child's Nervous System, 2005Chiari malformation (CM) is a frequent finding in multisutural and syndromic craniosynostosis, occurring in 70% of patients with Crouzon's syndrome, 75% with oxycephaly, 50% with Pfeiffer's syndrome and 100% with the Kleeblattschädel deformity. The pathogenesis of this condition and rationale for treatment are still controversial.Since its first ...
Giuseppe, Cinalli +7 more
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The arnold-chiari malformation
Clinical Radiology, 1974A number of patients with neurological deficits which could be localised at the level of the foramen magnum often remain undiagnosed, or are condemned to a diagnosis of a progressive incurable degenerative disease such as multiple sclerosis. It is essential in such cases to exclude some minor degree of cerebellar tonsillar protrusion as a cause.
S, Bloch, M J, Van Rensburg, J, Danziger
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The Arnold - Chiari Malformation
Spine, 1986The Arnold-Chiari malformation is a developmental abnormality of the brainstem and cerebellum with displacement of these structures into the cervical spinal canal. Other anomalies involving the base of the skull and vertebral bodies are frequently present. In children, hydrocephalus and myelomeningocele may complicate the picture.
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Management of Chiari Malformation
2019Understanding of the Chiari malformation type I (CMI) has evolved over time thanks to accumulated surgical experiences, neuroradiological refinements, and better comprehension of pathophysiology. CMI is defined as a descent of the cerebellar tonsils into the cervical canal due to a volumetric disproportion between the posterior fossa and cerebellar ...
Spena G., Fontanella M. M.
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Rhombencephalosynapsis and a Chiari II Malformation
Journal of Computer Assisted Tomography, 2003Rhombencephalosynapsis is an anomaly of the hindbrain characteristically presenting with cerebellar fusion and absence of cerebellar vermis on magnetic resonance imaging. Its association with spinal anomalies has not been reported previously.
Sener, RN, Dzelzite, S
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The Arnold-Chiari Malformation (Cleland-Chiari Malformation)
1975The deformities of brain stem and cerebellum generally known as ArnoldChiari malformation were first described by Cleland (1883) for one infant of a series of 9 presenting with various combinations of spina bifida cystica, encephalocele and anencephaly.
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