Chiari malformation type I
Arnold-Chiari malformation type I is a central nervous system malformation characterized by caudal displacement of the cerebellar tonsils exceeding 5mm below the foramen magnum with or without syringomyelia. Symptoms vary in onset and severity and include suboccipital headache, neck pain, vertigo, tinnitus, ocular symptoms (diplopia, blurred vision, photofobia, nystagmus), lower cranial nerve signs, cerebellar ataxia, and spasticity. Some affected individuals can be asymptomatic.
Also known as: Arnold-Chiari malformation type 1, Arnold-Chiari malformation type I, Chiari malformation type 1, Chiari malformation type I.
Category: General
Symptoms associated with Chiari malformation type I
The following symptoms have been associated with Chiari malformation type I in medical literature. Not everyone experiences the same symptoms.
Diplopia
Diplopia is a condition in which a single object is perceived as two images, it is also known as double vision...
Dysphagia
Difficulty in swallowing....
Headache
Cephalgia, or pain sensed in various parts of the head, not confined to the area of distribution of any nerve....
Hearing impairment
A decreased magnitude of the sensory perception of sound....
Limb muscle weakness
Reduced strength and weakness of the muscles of the arms and legs....
Neck pain
An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) localize...
Paresthesia
Abnormal sensations such as tingling, pricking, or numbness of the skin with no apparent physical cause....
Tinnitus
Tinnitus is an auditory perception that can be described as the experience of sound, in the ear or in the head...
Urinary incontinence
Loss of the ability to control the urinary bladder leading to involuntary urination....
Vertigo
An abnormal sensation of spinning while the body is actually stationary....
Tests used to investigate Chiari malformation type I
Healthcare providers may order these tests when evaluating Chiari malformation type I. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Urinalysis
Examines urine content to help detect urinary tract infections, kidney disease, and diabetes....
Conditions with overlapping symptoms
These conditions share symptoms with Chiari malformation type I, which is why a clinical evaluation is important.
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Gitelman syndrome
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Morimoto-Ryu-Malicdan neuromuscular syndrome
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Tick-borne encephalitis
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Frequently Asked Questions
What is Chiari malformation type I?
Chiari malformation type I is a health condition described in medical literature. Arnold-Chiari malformation type I is a central nervous system malformation characterized by caudal displacement of the cerebellar tonsils exceeding 5mm below the foramen magnum with or without syringomyelia. Symptoms vary in onset and severity and include suboccipital headache, neck pain, vertigo, tinnitus, ocular symptoms (diplopia, blurred vision, photofobia, nystagmus), lower cranial nerve signs, cerebellar ataxia, and spasticity. Some affected individuals can be asymptomatic.
What are the symptoms of Chiari malformation type I?
Chiari malformation type I is associated with 10 symptoms in the medical literature we index, including Diplopia, Dysphagia, Headache, Hearing impairment, Limb muscle weakness, Neck pain. Symptoms vary widely between individuals.
How is Chiari malformation type I diagnosed or investigated?
A healthcare provider may use a combination of medical history, physical examination, and tests. Common tests associated with Chiari malformation type I include CBC with Differential, Comprehensive Metabolic Panel (CMP), Urinalysis. This information is educational, not a diagnosis.
Is SymptomDatabase.com diagnosing me?
No. SymptomDatabase.com does not provide diagnosis. If you are concerned you may have Chiari malformation type I, please discuss your symptoms with a qualified healthcare provider.