Results 151 to 160 of about 6,481 (194)
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Journal of Neurosurgery, 1983
✓ The natural history of symptomatic adult Type I Arnold-Chiari malformation (ACM) is variable, and the value of surgery in the management of this disease is difficult to assess. A series of 71 patients in whom a diagnosis of Type I ACM was confirmed at operation is presented, and the progress of the patients following posterior fossa decompression is ...
K S, Paul +3 more
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✓ The natural history of symptomatic adult Type I Arnold-Chiari malformation (ACM) is variable, and the value of surgery in the management of this disease is difficult to assess. A series of 71 patients in whom a diagnosis of Type I ACM was confirmed at operation is presented, and the progress of the patients following posterior fossa decompression is ...
K S, Paul +3 more
openaire +2 more sources
Arnold-Chiari malformation and pregnancy
International Journal of Obstetric Anesthesia, 2001Chiari (or Arnold-Chiari) malformations are a continuum of abnormalities of the hindbrain with the possibility of disordered cerebrospinal fluid flow and craniospinal pressure gradients. We describe the management of a 30-year-old primigravida who presented following a grand mal seizure during the first trimester.
D J, Penney, J M, Smallman
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Arnold-Chiari Malformation: Neuro-otologic Symptoms
Archives of Otolaryngology - Head and Neck Surgery, 1971A series of 29 patients with the Arnold-Chiari malformation who had signs and symptoms related to the auditory and vestibular systems are analyzed, and four illustrative case reports are detailed. Although no consistent pattern emerged, these abnormalities may simulate other lesions, including acoustic neuromas. This disease should be considered in the
R E, Rydell, J L, Pulec
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PLATYBASIA AND THE ARNOLD-CHIARI MALFORMATION
Archives of Ophthalmology, 1954PLATYBASIA and the Arnold-Chiari deformity are of concern to the ophthalmologist. Not only are the ocular signs and symptoms of these entities often the presenting complaints but, equally important, they simulate those of multiple sclerosis, tumor of the brain stem or cerebellum, and other lesions of the posterior fossa, which have an entirely ...
D G, COGAN, L J, BARROWS
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Respiratory Failure in Arnold-Chiari Malformation
Respiration, 2002[No abstract available ...
Hattingh T.L. +3 more
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1985
Arnold-Chiari malformation is commonly recognized by its primary features of ponto-cerebellar dysgenesis. However, other brain anomalies form equally important components of this disorder. The ponto-cerebellar dysgenesis is characterized by failure of the pontine flexure to develop and by caudal herniation through the foramen magnum of the inferior ...
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Arnold-Chiari malformation is commonly recognized by its primary features of ponto-cerebellar dysgenesis. However, other brain anomalies form equally important components of this disorder. The ponto-cerebellar dysgenesis is characterized by failure of the pontine flexure to develop and by caudal herniation through the foramen magnum of the inferior ...
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Archives of Neurology, 1965
IN 1891, Chiari 1 described the anomalies of the hindbrain that he found in cases of congenital hydrocephalus and divided these malformations into four categories: Type 1 showed a variable displacement of the cerebellar tonsils into the upper cervical canal. This was unaccompanied by any caudal dislocation of the medulla.
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IN 1891, Chiari 1 described the anomalies of the hindbrain that he found in cases of congenital hydrocephalus and divided these malformations into four categories: Type 1 showed a variable displacement of the cerebellar tonsils into the upper cervical canal. This was unaccompanied by any caudal dislocation of the medulla.
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Foetal Arnold-Chiari malformation
Acta Neuropathologica, 1966A 10-week-old foetus is reported which has various malformations of the spinal cord and vertebrae at the lower thoracic and lumbo-sacral level, as well as a herniation of cerebellar and choroidal tissue down between the bony rim of the foramen magnum and the medulla oblongata.
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2018
Arnold-Chiari malformations (ACM) are a group of congenital disorders defined by downward displacement of cerebellar tonsils, and possibly the brainstem, through the foramen magnum. Type 1 ACM is the most frequent of the Chiari malformations and is characterized by a ≥5 mm tonsillar descent below the foramen magnum.
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Arnold-Chiari malformations (ACM) are a group of congenital disorders defined by downward displacement of cerebellar tonsils, and possibly the brainstem, through the foramen magnum. Type 1 ACM is the most frequent of the Chiari malformations and is characterized by a ≥5 mm tonsillar descent below the foramen magnum.
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THE ARNOLD-CHIARI MALFORMATION
Archives of Neurology And Psychiatry, 1942The Arnold-Chiari malformation is a deformity of the hindbrain in which there is displacement of parts of the cerebellum and brain stem through the foramen magnum into the upper part of the vertebral canal. It was first observed by Arnold1in 1894 in a newborn infant with lumbosacral spina bifida and a largeMyelocyste.
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