About The Medical Condition Arnold-Chiari Malformation
Find the definition of the medical term Arnold-Chiari Malformation. Arnold-Chiari Malformation defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Arnold-Chiari Malformation
| Arnold-Chiari Malformation Medical Condition |
|---|
What's The Definition Of The Medical Condition 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
- Neoplasms, Intracranial ‐ Neoplasms of the intracranial components of the central nervous…
- Aujeszky Disease Virus ‐ A species of VARICELLOVIRUS producing a respiratory infection…
- Syndrome, Marchiafava-Micheli ‐ Disorder characterized by intravascular hemolysis and hemoglobinuria.…
- Hydrochloride, Methamphetamine ‐ A central nervous system stimulant and sympathomimetic with actions…
- Tumor, Medullary ‐ Benign and malignant intra-axial tumors of the MESENCEPHALON;…
- Massages, Heart ‐ Rhythmic compression of the heart by pressure applied manually…
- Proximal Renal Tubular Dysfunction ‐ Constellation of clinical and laboratory manifestations produced…
- Bite Force ‐ The force applied by the masticatory muscles in dental…
- HMSN Type IIs ‐ A hereditary motor and sensory neuropathy transmitted most often…
- Drug Recall ‐ Control of drug and narcotic use by international agreement,…