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Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS) is an autosomal recessive late-onset heredodegenerative multisystem neurological disease. The symptoms include poor balance and difficulty walking. Chronic cough and difficulty swallowing may also be present.
The symptoms of vestibulocerebellar syndrome vary among patients but are typically a unique combination of ocular abnormalities including nystagmus, poor or absent smooth pursuit (ability of the eyes to follow a moving object), strabismus (misalignment of the eyes), diplopia (double vision), oscillopsia (the sensation that stationary objects in the visual field are oscillating) and abnormal ...
Vestibular migraine (VM) - Another common cause of vertigo in the pediatric population. Similar to BPVC, VM is a type of migraine and episodic in nature; however, it is characterized by a migrainous headache during episodes of vertigo. [2] Benign paroxysmal positional vertigo (BPPV) - This is the most common cause of vertigo in adults, but it ...
The cause of the disease was unknown until 1978 when Weiss and Guberman proposed that ACA could be due to direct invasion of the central nervous system by infectious agents. Since then many case studies have followed to understand the underlying conditions, symptoms and causes of the disease.
Neurologic disorders tend to cause constant vertigo or disequilibrium and usually have other symptoms of neurologic dysfunction associated with the vertigo. Many medications used to treat seizures, depression, anxiety, and pain affect the vestibular system and the central nervous system which can cause the symptom of disequilibrium.
While the specific causes of this disease are speculative there are several methods for diagnosis, the most important being the patient's recall of episodes. Most times, those diagnosed with vertiginous seizures are left to self-manage their symptoms or are able to use anti-epileptic medication to dampen the severity of their symptoms.
Problems with balance can occur when there is a disruption in any of the vestibular, visual, or proprioceptive systems. Abnormalities in balance function may indicate a wide range of pathologies from causes like inner ear disorders, low blood pressure, brain tumors, and brain injury including stroke.
Enlarged vestibular aqueducts are caused by mutations in gene SLC26A4, which is also associated with Pendred syndrome and non-syndromic recessive deafness. Enlarged vestibular aqueducts often occur with other inner ear development problems, such as cochlear deformities. Enlarged vestibular aqueducts are part of the classic Mondini deformity.