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Topic: Arnold Chiari malformation

	Arnold-Chiari Malformation (Type 1) - WrongDiagnosis.com
		Arnold-Chiari Malformation (Type 1): A rare malformation where the base of the brain enters into the upper spinal canal.
		Arnold-Chiari Malformation (Type 1) is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH).
		This means that Arnold-Chiari Malformation (Type 1), or a subtype of Arnold-Chiari Malformation (Type 1), affects less than 200,000 people in the US population.
	www.wrongdiagnosis.com /a/arnold_chiari_malformation_type_1/intro.htm (436 words)

	Reference.com/Encyclopedia/Arnold-Chiari malformation
		Arnold-Chiari malformation, sometimes referred to as Chiari malformation or ACM, is a congenital anomaly of the brain.
		Arnold-Chiari Malformation II occurs in almost all children born with both spina bifida and hydrocephalus, but ACM I is typically seen in children and adults without spina bifida.
		A colleague of Professor Chiari, Dr. Julius Arnold, later contributed to the definition of the condition, and students of Dr. Arnold suggested the term "Arnold-Chiari malformation" to henceforth refer to the condition.
	www.reference.com /browse/wiki/Arnold-Chiari_malformation (406 words)

	eMedicine - Chiari II Malformation : Article by Lutfi Incesu, MD
		Pathophysiology: The Chiari II malformation is a complex anomaly with skull, dural, brain, spinal, and spinal cord manifestations.
		Chiari II malformation associated with subtle gyral malformations and spinal cord abnormalities, such as a syrinx, are often missed on routine CT images.
		Early recognition of the Chiari malformation is important because it is the leading cause of death in patients treated for myelomeningocele.
	www.emedicine.com /radio/topic150.htm (5725 words)

	CIGNA - Arnold-Chiari Malformation (Site not responding. Last check: )
		This form of the malformation may be accompanied by syringomyelia and accumulation of cerebrospinal fluid in the skull (hydrocephalus).
		ACM is a rare brain malformation that affects males and females in equal numbers.
		Atypical hemifacial microsomia associated with Chiari Malformation and syrinx: further evidence indicating that Chiari I malformation is a disorder of the paraxial mesoderm.
	www.cigna.com /healthinfo/nord85.html (2042 words)

	Arnold-Chiari Malformation Information on Healthline
		Arnold-Chiari malformation is a rare genetic disorder in which parts of the brain are formed abnormally.
		Malformations may occur in the lower portion of the brain (cerebellum) or in the brain stem.
		However, it is known that Arnold-Chiari malformations are the most common type of malformation of the cervico-medullary junction, the area where the brain and spine connect.
	www.healthline.com /galecontent/arnold-chiari-malformation-2 (813 words)

	Arnold-Chiari malformation
		Arnold-Chiari malformation, sometimes referred to as the Chiari malformation, is an anomaly of the brain in which the brainstem is elongated, and pushed down through the opening of the base of the skull.
		The brainstem, cranial nerves and the lower portion of the cerebellum may be stretched or compressed.
		Arnold-Chiari Malformation occurs in almost all children born with both spina bifida and hydrocephalus.
	www.ebroadcast.com.au /lookup/encyclopedia/ar/Arnold-Chiari_malformation.html (97 words)

	Chiari Malformation
		The Chiari Malformation (also called the Arnold Chiari Malformation) is a developmental anomaly at the base of the brain which results in the downward displacement of some of the brain's structures into the spinal canal.
		Type III malformation is a special type of myelodysplasia where there is a spina bifida (division or defect in the posterior portion of the bony spine) in the neck with an associated herniation of a fluid sac into the overlying defect in tissue closure.
		It is not unusual for the Chiari Malformations to have an associated accumulation of fluid within the interior of the spinal cord, forming a cavity known as a syrinx.
	www.neurosy.org /disease/otherdiseases/chiari-malformation.shtml (2013 words)

	Chiari - Institute for Neurology & Neurosurgery, New York City
		The Chiari Malformation (also called the Arnold Chiari Malformation) is a developmental anomaly at the base of the brain which results in the downward displacement of some of the brain's structures into the spinal canal.
		Type lll malformation is a special type of myelodysplasia where there is a spina bifida (division or defect in the posterior portion of the bony spine) in the neck with an associated herniation of a fluid sac into the overlying defect in tissue closure.
		It is not unusual for the Chiari Malformations to have an associated accumulation of fluid within the interior of the spinal cord.
	nyneurosurgery.org /chiari_intro.htm (395 words)

	Chiari Malformation
		A Chiari malformation is a congenital (present at birth) defect in the area of the back of the head where the brain and spinal cord connect.
		Type II Chiari malformations are typically seen in infants who are born with spina bifida, a neurological condition that causes a portion of the spinal cord and the surrounding structures to develop outside, instead of inside, the body.
		Chiari malformation may be caused by exposure to harmful substances during fetal development or associated with genetic problems or syndromes that may have a tendency to run in families.
	www.chw.org /display/PPF/DocID/22501/router.asp (931 words)

	Arnold Chiari Malformation
		This malformation is characterized by downward displacement of the medulla, fourth ventricle, and cerebellum into the cervical spinal canal, as well as elongation of the pons and fourth ventricle.
		Chiari I malformations may be treated surgically with only local decompression of the overlying bones, decompression of the bones and release of the dura (a thick membrane covering the brain and spinal cord), or decompression of the bone and dura and some degree of cerebellar tissue resection.
		Chiari II decompression is treated similarly, but is usually restricted to decompressing the tissues in the spinal canal and leaving the back of the skull alone.
	www.uscneurosurgery.com /Disorders_includes/arnchiari.html (1407 words)

	Arnold-Chiari malformation Information
		Arnold-Chiari malformation, sometimes referred to as 'Chiari malformation' or ACM, is a congenital anomaly of the brain in which the cerebellar tonsils are elongated and pushed down through the opening of the base of the skull (see foramen magnum), blocking the flow of cerebrospinal fluid (CSF).
		Arnold-Chiari Malformation II occurs in almost all children born with both spina bifida and hydrocephalus, but ACM I is typically seen in children and adults without spina bifida.
		A colleague of Professor Chiari, Dr. Arnold, later contributed to the definition of the condition, and students of Dr. Arnold suggested the term "Arnold-Chiari malformation" to henceforth refer to the condition.
	www.bookrags.com /wiki/Arnold-Chiari_malformation (357 words)

	Arnold-Chiari malformation: Encyclopedia of Genetic Disorders
		Malformations may occur in the lower portion of the brain (cerebellum) or in the brain stem.
		Normally, the brain stem and cerebellum are located in the posterior fossa, an area at the base of the skull attached to the spinal cord.
		Because the posterior fossa is small, the brain stem, cerebellum, or cerebellar brain tissues (called the cerebellar tonsils) are squeezed downward through an opening at the bottom...
	health.enotes.com /genetic-disorders-encyclopedia/arnold-chiari-malformation (144 words)

	Chiari Malformation
		The Chiari malformation, also known as the Arnold-Chairi malformation, is a relatively common syndrome involving displacement of the cerebellar tonsils below the level of the foramen magnum.
		Associated with the Chiari malformation may be hydrocephalus, spina bifida, and syringomyelia.
		The Chiari malformation is generally thought to be present from birth.
	www.dizziness-and-balance.com /disorders/central/cerebellar/chiari.html (544 words)

	Virginia Hospital Center - Arnold-chiari Malformation
		Chiari malformation (also called Arnold-Chiari malformation) is a condition in which the cerebellum portion of the brain protrudes down into the spinal canal.
		Chiari malformation may be congenital, associated with other anomalies including myelomeningocele, syringomyelia, and spina bifida.
		Some adults with Chiari malformation may benefit from surgery in which the opening in the back of the skull is enlarged to relieve intracranial pressure.
	www.virginiahospitalcenter.com /content/arnoldchiarimalformation.asp (298 words)

	Arnold-Chiari Malformation
		Arnold-Chiari Malformation (ACM) is a rare malformation of the brain that is present at birth.
		ACM 1: Protrusion of the brain tissue below the opening of the base of the skull and may include an abnormal fluid blister-like cavity (syringomyelia) and larger than normal accumulations of CSF in the skull (hydrocephalus).
		Atypical hemifacial microsomia associated with Chiari Malformation and syrinx: further evidence indicating that Chiari I malformation is a disorder of the paraxial mesoderm.
	hw.healthdialog.com /kbase/nord/nord85.htm (1982 words)

	FAQ
		Chiari Malformation Type I (CM) is a neurological disorder where part of the brain, the cerebellum (or more specifically the cerebellar tonsils), descends out of the skull into the spinal area.
		However, since the definition of Chiari is changing, most doctors will use a combination of reported symptoms, a neurological exam, MRI results, and their experience and judgment to determine if a person has Chiari.
		Chiari was originally thought to be a congenital condition - meaning you are born with it.
	www.conquerchiari.org /FAQ.htm (3802 words)

	Chiari malformation - MayoClinic.com
		Chiari malformation is a condition in which brain tissue protrudes into your spinal canal.
		Chiari malformation is usually present at birth (congenital), but it can develop in some children after they are born.
		Doctors categorize Chiari malformation into several types, depending on the amount of brain tissue that is pushed down into the spinal canal, and whether developmental abnormalities of the brain or spine are present.
	www.mayoclinic.com /health/chiari-malformation/DS00839/METHOD=displayFull (245 words)

	Arnold-Chiari Malformation, radiography
		Chiari malformation (CM) is primarily characterised by herniation of the cerebellar tonsils through the foramen magnum.
		Pathogenesis of Chiari malformation: a morphometric study of the posterior cranial fossa.
		The incidence of craniocervical bony anomalies in the adult Chiari malformation.
	lib.bioinfo.pl /meid:85602 (1502 words)

	Arnold-Chiari Malformation (Site not responding. Last check: )
		Arnold-Chiari Malformation is a condition in which the cerebellum portion of the brain protrudes into the spinal canal.
		Arnold-Chiari II type malformation is associated with myelomeningocele (a defect of the spine) and hydrocephalus (increased cerebrospinal fluid and pressure within the brain), which usually are apparent at birth.
		Chiari I Malformation and Thoracic Syrinx with Surgical Decompression -
	www.doereport.com /displaymonograph.php?MID=3 (528 words)

	Resource for Arnold Chiari Malformation (Site not responding. Last check: )
		Chiari malformation (also called Arnold-Chiari malformation) is a rare congenital anomaly in which two parts of the brain, the brainstem and the cerebellum, are longer than normal and protrude down into the spinal canal.
		Chiari malformation may be associated with many other anomalies including myelomeningocele, syringomyelia, and spina bifida.
		Adults and adolescents with Chiari malformation who previously were asymptomatic may show signs of progressive brain impairment as they grow older, such as involuntary, rapid, downward eye movements.
	agentjv1188.tripod.com /medical.html (1324 words)

	Pediatric Neurosurgery - Chiari Malformation (Site not responding. Last check: )
		Also known as Arnold Chiari Malformation, this is a benign structural problem affecting the cerebellum.
		Most children with these malformations who do not have spina bifida will have the form known as type I. Essentially there is extra cerebellum crowding the outlet of the brainstem/spinal cord from the skull on its way to the spinal canal.
		In general the symptoms of the type I malformations are less severe than that of the type II malformation.
	cpmcnet.columbia.edu /dept/nsg/PNS/ChiariMalformation.html (491 words)

	Arnold-Chiari II Malformation
		Chiari malformation (also called Arnold-Chiari malformation) is a condition in which the cerebellum portion of the brain protrudes down into the spinal canal.
		Chiari malformation may be congenital, associated with other anomalies including myelomeningocele, syringomyelia, and spina bifida.
		Some adults with Chiari malformation may benefit from surgery in which the opening in the back of the skull is enlarged to relieve intracranial pressure.
	www.sbaalbany.org /acmalformation.htm (341 words)

	"The Arnold-Chiari Malformation"
		There are several types of Arnold-Chiari malformations, but only the Type I Arnold-Chiari is seen with any frequency in chiropractic clinical practice, as the symptoms related to the type I Arnold-Chiari malformation do not typically present themselves until the patient is between the ages of 20-40.
		With this type of congenital neurological anomaly, the extra space posterior to the spinal cord in the upper cervical region is occupied by cerebellar tissue, thus crowding the upper cervical neurological structures.
		Should the presence of an Arnold-Chiari malformation be suspected in a headache patient, the patient should be referred for an MRI of the region.
	www.chiroweb.com /archives/print_friendly.php?volume=09&issue=23&issue_date=November%2011%2C%201991&pr_file_name=http%3A%2F%2Fwww.chiroweb.com%2Farchives%2F09%2F23%2F01.html (489 words)

	Arnold-Chiari Malformation - Patient UK
		Hans Chiari was a German pathologist who, between 1891 and 1896, described various anomalies of the caudal cerebellum and brainstem from post mortem studies.
		Julius Arnold was professor of pathology at the University of Heidelberg.
		The hydrodynamics of the CSF are upset, possibly causing caudal to cranial flow, and this is a contributor to symptoms.
	www.patient.co.uk /showdoc/40001206 (1224 words)

	Arnold Chiari Malformation
		ARNOLD CHIARI MALFORMATION The Arnold Chiari malformation, sometimes referred to as the Chiari II malformation or ACM is an anomaly of the brain, which occurs in almost all children born with...
		Arnold Chiari Malformation The American Syringomyelia Alliance Project, Inc. is a nonprofit...
		Arnold Chiari Malformation Menu This is a webforum to discuss and comment on Arnold Chiari Malformation.
	www.health-nexus.com /arnold_chiari_malformation.htm (0 words)

	Chiari malformation in CFIDS, FMS
		Chiari malformation or squeezing of spinal cord may be common in CFIDS, fibromyalgia.
		The best known of these conditions is the Chiari malformation, in which the cerebellar "tonsils" (a portion of the cerebellum, shaped like the tonsils in the neck) extend several millimeters through the opening in the base of the skull (the foramen magnum) that allows the spinal cord to attach to the brain.
		The Type I Chiari malformation (Type II is related to spina bifida and hydrocephalus and is found in infants) was first identified in 1891 and was considered to be rare before the development of MRI scans.
	www.co-cure.org /chiari.htm (1552 words)

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