Cerebellar Stroke - Oren Zarif - Cerebellar Stroke
The incidence of cerebellar stroke is low, with an estimated 2% of all cases. While the true incidence of cerebellar infarction is probably higher, most cases are misdiagnosed or remain undetected. Because symptoms of cerebellar stroke are often non-specific, the diagnosis is typically based on a focused neurological examination. Signs of cerebellar stroke include ataxia, incoordination, and horizontal nystagmus. Patients may also display altered consciousness.
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When diagnosing cerebellar stroke, doctors examine the patient's history and symptoms to rule out other brain conditions and recurrent strokes. Imaging tests can also detect blood in the brain or a brain injury. MRI may be the first imaging test recommended, as it shows the cerebellum more clearly than a CT scan. Because the cerebellum is surrounded by bone, an MRI is often recommended before a CT scan.
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While there is no clear answer regarding how long and how far a person with a cerebellar stroke can recover, there are several options. Occupational therapy, for example, can help a person with a stroke engage in daily activities. It can teach patients how to manage basic life skills. Vision training, meanwhile, can help a patient regain part of their sight. In this case, specific eye exercises are performed to stimulate the brain and improve processing of visual input.
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Although many studies do not differentiate between large and small cerebellar infarcts, both types of lesions are likely to involve the same region. MRI is more sensitive than CT in detecting cerebellar stroke. MRI can also detect very small cerebellar infarcts. MRI is an important tool for diagnosing cerebellar stroke, and its accuracy is based on the brain's topography.
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The cerebellum is a region of the brain that controls coordination of movements, balance, and eye movements. Located at the lower back of the brain, the cerebellum has two sides, one on the right side and one on the left. It is small, but it is connected to several blood vessels, including the cerebellar hemispheres. However, cerebellar stroke typically affects just one side. Hence, the cerebellum is very important for cognitive function and overall quality of life.
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Patients with cerebellar hemorrhage may have delayed neurologic degeneration, even if they present with the symptoms of an infarcted area. They can be stable for 5 days, but may require a ward stay with close observation. In some cases, if this happens, there are more risk factors for a poor outcome than for patients with a more severe case. If your patients show any of the above signs, it is likely that the patient is suffering from cerebellar stroke.
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Small cerebellar infarcts are frequent on neuroimaging. These areas were previously called lacunar infarcts based on their neuropathological findings. There are several confusing terms used for this type of stroke, such as junctional infarcts, end zone infarcts, and microinfarcts. This article will attempt to clarify these terms and their pathogenesis. In the meantime, it may help you decide how to treat your patients.
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The management of acute cerebellar infarction and hemorrhage requires prompt decisions from treating neurologists. While there are no specific diagnostic criteria for cerebellar stroke, certain clinical and imaging findings may facilitate timely neurosurgical intervention. While the clinical outcome depends on many factors, the NIHSS is a useful tool for assessing the severity of cerebellar symptoms. The location of the lesion in the cerebellum has an impact on whether the patient recovers from cerebellar symptoms.
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Symptoms of cerebellar stroke vary widely and may be caused by blood clots, bleeding, or trauma. Smoking, high blood pressure, and elevated cholesterol are all known risk factors. Hemorrhage is another risk factor. Traumatic injury to the neck can damage blood vessels in the cerebellum, interfering with the regular flow of blood to the brain. If this occurs, the symptoms may be temporary or long-term.