Arnold-Chiari malformation classification: Difference between revisions
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! style="background: #DCDCDC; text-align: center;" |Type 3 | ! style="background: #DCDCDC; text-align: center;" |Type 3 | ||
| style="background: #F5F5F5;" |Herniation parts: Crebellar tonsil, flocculi, caudal medulla, caudal portion of 4th ventricle, lower brain stem | | style="background: #F5F5F5;" |Herniation parts: Crebellar tonsil, flocculi, caudal medulla, caudal portion of 4th ventricle, lower brain stem + occipital encephalocele | ||
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Revision as of 14:04, 8 August 2019
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Arnold-Chiari malformation Microchapters |
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Differentiating Arnold-Chiari malformation from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Arnold-Chiari malformation classification On the Web |
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American Roentgen Ray Society Images of Arnold-Chiari malformation classification |
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Risk calculators and risk factors for Arnold-Chiari malformation classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Classification
Arnold chiari malformation may be classified according to herniation content into 4 subtypes:[1]
| Subtypes | Explanation |
|---|---|
| Type1 | Herniation parts: Crebellar tonsil, flocculi, caudal medulla
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| Type 2 | Herniation parts: Crebellar tonsil, flocculi, caudal medulla, caudal portion of 4th ventricle
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| Type 3 | Herniation parts: Crebellar tonsil, flocculi, caudal medulla, caudal portion of 4th ventricle, lower brain stem + occipital encephalocele
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| Type 4 | Herniation parts: Brain stem located in posterior fossa, underdeveloped cerebellum
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