ONKI3 | Medical Subject Headings

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Arnold-Chiari Malformation

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Hierarchy:	Medical Subject Headings (MeSH) ∟ Congenital, Hereditary, and Neonatal Diseases and Abnormalities ∟ Abnormalities ∟ Nervous System Malformations ∟ Neural Tube Defects ∟ Arnold-Chiari Malformation 5 coordinate concepts ∟ Anencephaly \| ∟ Encephalocele \| ∟ Meningocele \| ∟ Meningomyelocele \| ∟ Spinal Dysraphism Medical Subject Headings (MeSH) ∟ Nervous System Diseases ∟ Nervous System Malformations ∟ Neural Tube Defects ∟ Arnold-Chiari Malformation 5 coordinate concepts ∟ Anencephaly \| ∟ Encephalocele \| ∟ Meningocele \| ∟ Meningomyelocele \| ∟ Spinal Dysraphism X
Broader terms:	Medical Subject Headings (MeSH) ∟ Congenital, Hereditary, and Neonatal Diseases and Abnormalities ∟ Abnormalities ∟ Nervous System Malformations ∟ Neural Tube Defects ∟ Arnold-Chiari Malformation Medical Subject Headings (MeSH) ∟ Nervous System Diseases ∟ Nervous System Malformations ∟ Neural Tube Defects ∟ Arnold-Chiari Malformation Neural Tube Defects > Nervous System Malformations > Abnormalities > Congenital, Hereditary, and Neonatal Diseases and Abnormalities > Medical Subject Headings (MeSH) Neural Tube Defects > Nervous System Malformations > Nervous System Diseases > Medical Subject Headings (MeSH) X
Annotation:	do not confuse with CHIARI'S SYNDROME see HEPATIC VEIN THROMBOSIS X
historyNote*:	2000(1963) X
publicMeSHNote*:	2000; see ARNOLD-CHIARI DEFORMITY 1963-1999; for ARNOLD-CHIARI MALFORMATION see ARNOLD-CHIARI DEFORMITY 1963-1999 X
Scope note:	A group of congenital malformations involving the brainstem, cerebellum, upper spinal cord, and surrounding bony structures. Type II is the most common, and features compression of the medulla and cerebellar tonsils into the upper cervical spinal canal and an associated MENINGOMYELOCELE. Type I features similar, but less severe malformations and is without an associated meningomyelocele. Type III has the features of type II with an additional herniation of the entire cerebellum through the bony defect involving the foramen magnum, forming an ENCEPHALOCELE. Type IV is a form a cerebellar hypoplasia. Clinical manifestations of types I-III include TORTICOLLIS; opisthotonus; HEADACHE; VERTIGO; VOCAL CORD PARALYSIS; APNEA; NYSTAGMUS, CONGENITAL; swallowing difficulties; and ATAXIA. (From Menkes, Textbook of Child Neurology, 5th ed, p261; Davis, Textbook of Neuropathology, 2nd ed, pp236-46) X
activeMeSHYear*:	2000 \| 2001 \| 2002 \| 2003 \| 2004 \| 2005 \| 2006 \| 2006A \| 2007X
dateCreated*:	1999-01-01X
dateRevised*:	2005-07-21X
recordAuthorizer*:	agsX
recordMaintainer*:	agsX
recordOriginator*:	NLMX
Type:	Concept X
Coordinate terms:	Anencephaly \| Encephalocele \| Meningocele \| Meningomyelocele \| Spinal Dysraphism X
URI:	X
Labels and equivalent concepts:	Arnold-Chiarin oireyhtymä (fi) Arnold-Chiarin epämuodostuma (fi, replaced) Arnold-Chiarin malformaatio (fi, replaced) Arnold-Chiarin syndrooma (fi, replaced) Arnold-Chiaris missbildning (sv) Type IV Arnold-Chiari Malformation (en, replaced) Type III Arnold-Chiari Malformation (en, replaced) Type II Arnold-Chiari Malformation (en, replaced) Arnold-Chiari Syndrome (en, replaced) Malformation, Arnold-Chiari (en, replaced) Type I Arnold-Chiari Malformation (en, replaced) Arnold-Chiari Deformity (en, replaced) X
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