About The Medical Condition Type III Arnold-Chiari Malformation
Find the definition of the medical term Type III Arnold-Chiari Malformation. Type III Arnold-Chiari Malformation defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Type III Arnold-Chiari Malformation
| Type III Arnold-Chiari Malformation Medical Condition |
|---|
What's The Definition Of The Medical Condition Type III Arnold-Chiari Malformation?
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; swallowing difficulties; and ATAXIA. (From Menkes, Textbook of Child Neurology, 5th ed, p261; Davis, Textbook of Neuropathology, 2nd ed, pp236-46)
|
More Medical Conditions
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Medical Conditions Definitions Of The Day
- Avenavirus ‐ A family of RNA plant viruses infecting dicotyledons. Transmission…
- Corn Oils ‐ Oil from corn or…
- Phase, Cell Division ‐ The stages which a cell undergoes when dividing. There are four…
- Methylamphetamine ‐ A central nervous system stimulant and sympathomimetic with actions…
- Research Subject Recruitments ‐ Criteria and standards used for the determination of the appropriateness…
- Plastid ‐ Self-replicating cytoplasmic organelles of plant and algal cells…
- Nephritides, Tubulointerstitial ‐ Diffuse or local inflammation and edema of the interstitial tissue…
- NADP+ Dependent Glutamate Dehydrogenase ‐ An enzyme that catalyzes the conversion of L-glutamate, H2O,…
- Arteries, Bronchial ‐ Left bronchial arteries arise from the thoracic aorta, the right…
- Porphyrias, Congenital Erythropoietic ‐ Autosomal recessive porphyria characterized by splenomegaly,…