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Arnold-Chiari Malformation
Definition: 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)

Synonym(s): Arnold-Chiari Deformity / Arnold-Chiari Malformation, Type 1 / Arnold-Chiari Malformation, Type 2 / Arnold-Chiari Malformation, Type 3 / Arnold-Chiari Malformation, Type 4 / Arnold-Chiari Malformation, Type I / Arnold-Chiari Malformation, Type II / Arnold-Chiari Malformation, Type III / Arnold-Chiari Malformation, Type IV / Arnold-Chiari Syndrome / Malformation, Arnold-Chiari / Type I Arnold-Chiari Malformation / Type II Arnold-Chiari Malformation / Type III Arnold-Chiari Malformation / Type IV Arnold-Chiari Malformation / Arnold Chiari Deformity / Arnold Chiari Malformation / Arnold Chiari Malformation, Type 1 / Arnold Chiari Malformation, Type 2 / Arnold Chiari Malformation, Type 3 / Arnold Chiari Malformation, Type 4 / Arnold Chiari Malformation, Type I / Arnold Chiari Malformation, Type II / Arnold Chiari Malformation, Type III / Arnold Chiari Malformation, Type IV / Arnold Chiari Syndrome / Deformity, Arnold-Chiari / Malformation, Arnold Chiari / Syndrome, Arnold-Chiari / Type I Arnold Chiari Malformation / Type II Arnold Chiari Malformation / Type III Arnold Chiari Malformation / Type IV Arnold Chiari Malformation
See also:
Platybasia   

MeSH 2010 © U.S. National Library of Medicine®.
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  Web resources for "Arnold-Chiari Malformation"
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= Site with HON description   -   = Site with a robot description
info: enter the site: (click below) domain of the site:  
view the HON description of the site HONcode - Chiari Malformationwww.fpnotebook.com  
view the robot description of the site Arnold-Chiari malformationchorus.rad.mcw.edu  
view the robot description of the site Whonamedit - Arnold-Chiari malformationwww.whonamedit.com  
view the robot description of the site The World Arnold Chiari Malformation Associationwww.pressenter.com  
view the HON description of the site HONcode - Arnold Chiari Malformation: Symptoms, Types, and Treatmentwww.webmd.com  
view the HON description of the site HONcode - Orphanet: Arnold Chiari malformation type IIwww.orpha.net 2
view the HON description of the site HONcode - ap - ar Medical Dictionary Index (page 11)www.drugs.com  
view the HON description of the site HONcode - Arnold Chiari & Syringomyelia Information Arnold Chiari and Syringomyelia Information 1www.chiari-info.co.uk 3
 
 

See also: - Platybasia

Broader term(s): - Neural Tube Defects - Nervous System Malformations - Nervous System Diseases
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Subheadings: complications / diagnosis / embryology / epidemiology / etiology / metabolism / microbiology / surgery / therapy


  Broader term(s):
      Diseases
          Congenital, Hereditary, and Neonatal Diseases and Abnormalities
              Congenital Abnormalities
                  Nervous System Malformations
                      Neural Tube Defects 
      Diseases
          Nervous System Diseases
              Nervous System Malformations
                  Neural Tube Defects 

MeSH 2010 © U.S. National Library of Medicine®.

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