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In neurology, the Chiari malformation (/ k i ˈ ɑː r i / kee-AR-ee; CM) is a structural defect in the cerebellum, characterized by a downward displacement of one or both cerebellar tonsils through the foramen magnum (the opening at the base of the skull). CMs can cause headaches, difficulty swallowing, vomiting, dizziness, neck pain, unsteady ...
Patients presenting with a headache originating at the posterior skull base should be evaluated for ON. This condition typically presents as a paroxysmal, lancinating or stabbing pain lasting from seconds to minutes, and therefore a continuous, aching pain likely indicates a different diagnosis. Bilateral symptoms are present in one-third of cases.
Cerebellar stroke syndrome is a condition in which the circulation to the cerebellum is impaired due to a lesion of the superior cerebellar artery, anterior inferior cerebellar artery or the posterior inferior cerebellar artery. [1] Cardinal signs include vertigo, headache, vomiting, and ataxia. [2]
Discover the main types of primary and secondary headaches and their symptoms. Knowing the type of headache you have helps you get the right relief. 13 Types of Headaches and How to Treat Them
The constellation of symptoms caused by craniocervical instability is known as "cervico-medullary syndrome" [4] and includes: [5] [6] [7] Anxiety disorder; Bobble-head doll syndrome, a sensation that the skull may fall off the cervical spine; Clumsiness and motor delay; Cognitive and memory decline; Double or blurred vision; Dysphagia, or the ...
Lack of CSF pressure and volume can allow the brain to sag and descend through the foramen magnum (large opening) of the occipital bone, at the base of the skull. The lower portion of the brain is believed to stretch or impact one or more cranial nerve complexes, thereby causing a variety of sensory symptoms.
But a headache is just one part. There are other subtle warning symptoms to watch out for, neurologists say. A migraine attack can be a debilitating condition. But a headache is just one part.
Located in the rearmost portion of the skull, the occipital lobes are part of the posterior cerebrum. The lobes of the brain are named from the overlying bone and the occipital bone overlies the occipital lobes. The lobes rest on the tentorium cerebelli, a process of dura mater that separates the cerebrum from the cerebellum.